Monday, 2 April 2018

How to Check Your Kodi Box for Electrical Safety

Kodi boxes come in many different shapes and sizes. In fact, there are so many it can be difficult to choose the right Kodi box. Often, people make their decision purely based on cost.

The desire to save money creates problems. Many users just opt for a cheaply manufactured device (usually made in China). After all, there’s nothing special about a Kodi box, it’s just a set-top box running the Android TV operating system. So, why not?

Sadly, the low-cost boxes from the Far East are frequently riddled with electrical issues. They’re just not safe to use.

How can you ensure you’re not going to send your home up in flames? We’re going to explain why many Kodi boxes aren’t safe, and then show you how to check your Kodi box for electrical safety. Keep reading to find out more.

Kodi Boxes Aren’t Always Safe

Unless you have a top-of-the-range Android TV device—such as the Nvidia Shield,
the ultimate tool for cord-cutters
—there’s a reasonable chance that your Kodi box is not safe from an electrical perspective.

The discovery was uncovered by a non-profit group in the United Kingdom called Electrical Safety First. It’s a sub-division of the country’s Electrical Safety Council and is responsible for campaigning around issues about the topic.

The group tested nine of the most common Kodi boxes found in the UK. Amazingly, it found that all nine failed its safety tests.

For balance, it’s important to note that the tests were a joint venture between Electrical Safety First and the Federation Against Copyright Theft (FACT). However, given the results, we don’t think there’s anything conspiritorial at play here.

Here’s what Steve Curtler, the Product Safety Manager at Electrical Safety First, told the The Independent after the results became public:

“Given the nature of the safety issues we found, the worst-case result of one of the devices malfunctioning would be for a fire to break out, causing severe property damage and even fatalities, and of course fatalities from electric shock […] We urge anyone with one of these devices to unplug it and stop using it immediately.”

Kieron Sharp, Director General of FACT, added his voice, saying “It should now be clear that the dangers these illegal devices pose far outweigh any benefit of buying them.”

Some recall notices have already gone out. In June 2017, the European Union issued a recall for a Chinese-made Android TV box amid reports its design left users at risk of electric shock. The OTT TV Box 4K had a faulty power unit which did not comply with the E.U.’s Low Voltage Directive.

What Are the Electrical Safety Regulations?

Electrical safety regulations vary around the world. Usually, they are based on one of two standards: The National Electric Code or the International Electric Code.

The United States

In the United States, the National Electrical Code (NEC) is the document that outlines electrical safety and best practices. It attempts to codify the minimum requirements for safe electrical equipment. It is updated every three years.

The code is not law at the federal level. Instead, it is up to individual states to implement it. If a state has applied the NEC, it is illegal not to follow the rules. At the time of writing, only Arizona, Kansas, Mississippi, and Missouri have not implemented the code.

The code’s rules are complex and beyond the scope of this piece. If you’d like more information, check out the full document on the National Fire Protection Association website.

us electrical code

The United Kingdom

Most of the rest of the world, including the United Kingdom and the European Union, uses the International Electrical Code.

The British parliament has also passed various pieces of legislation to govern electrical equipment on a national level. The most recent update to the rules happened in 2016.

If you’d like to learn more, you can download the Electrical Equipment Safety Regulations 2016: Guidance document from the government’s website.

How to Check Your Kodi Box’s Safety

Okay, so now you know that some—if not most—Kodi boxes are potentially dangerous. However, that doesn’t help if you already have one in your home. So, how can you tell whether your device is safe?

Just follow these five tips from the Electrical Safety First group.

1. Check for a Brand Name

Lots of cheap Kodi boxes you find online—especially fully-loaded ones—will not have a brand name. This is because they’re white label products that are being manufactured for mere cents-per-unit in Far Eastern factories.

Schedule 3 in the Electrical Equipment (Safety) Regulations 1994 states that a manufacturer’s brand name or trademark must be visible on the device for it to be sold legally.

2. Look for a CE Mark or FCC Label

The CE (Conformité Européenne) marking is a certification mark. It indicates a product is safe to sell in the European Economic Area from a health, safety, and environmental standpoint. The FCC Label is the US equivalent.

Many products made outside the E.U. and United States have the markings, especially if they’re going to be sold within the respective markets.

A failure to see one of the two marks means that either a) the product failed the country’s electrical safety tests, or b) the product was never supposed to be sold in the respective locations and the seller is breaking the law in doing so.

Note: There have been cases of forged CE and FCC marks. Don’t assume that your device is safe just because you see one. Complete all the other recommended checks.

3. Check Output Voltage and Current Ratings

Countries use a wide array of voltage and currents in their electric supply. Voltage can range from 110V to 240V, and plugging the wrong device into the wrong supply can cause problems.

Even if the box works at first, you will have to deal with overheating, excessive workloads, and an over/under supply of power, all of which are a fire hazard.

You also need to make sure the output voltage and current ratings on the box’s power supply unit and the box itself are the same.

4. Measure the Pin Plugs

Ideally, you need at least 9.5mm between the edge of the plug’s pins and the edge of the charger. If the gap is less, you risk getting an electric shock when connecting and disconnecting the device.

Note that 9.5mm is about the width of a ballpoint pen.

5. Documentation

Lastly, try to remember whether your device came with full documentation.

By law, all products sold in the European Union and North America all need to come with instructions about safe use, the limitations of use, and how to dispose of the device safely.

Is the Research Legitimate?

We know a few of you will have immediately groaned as soon as you read that FACT were involved in the study.

And while there could be an ulterior motive to the research, the facts remain true. The group tested nine of the most common Kodi boxes in the UK and all nine failed.

We’re not going to debate the rights and wrongs of using Kodi for illegal purposes, but you would be wise to pay heed to the findings, especially if you have a cheap fully-loaded Kodi box sitting in your home. The risk of not doing so is just not worth it.

If you’d like to learn more about the legality of streaming content on Kodi, check out our list of online resources explaining copyright law.



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How to Remove the Unity Desktop After Upgrading to Ubuntu 17.10

The 3 Most Important Ways to Tag Someone on Facebook

Wondering how to tag someone on Facebook? Tagging is an important part of using the social media service as it allows you to notify others that you’ve mentioned them, among other uses.

Let’s take a quick look at some of the most important ways you can tag others on Facebook. Note that your friends’ privacy settings may affect some of these.

1. Tagging in Status Updates

Whenever you post a status update, you can tag your friends by typing an @ symbol followed by their name. As you type, a small window appears and updates automatically to show the best match for the text you’ve entered. Click someone’s name and it will appear highlighted in blue on your post. This means you’ve successfully tagged them.

You can actually tag people other than friends by doing this, including friends of friends, businesses, and more. And this works for tagging others in comments, too. Just be aware that tagging someone will make your post visible to their friends.

2. The “Who Are You With?” Feature

Facebook allows you to add several elements to your posts, including polls, requests for recommendations, and moods. Click the Tag Friends option, and you’ll see a new With box below your post. Enter one or more names here and your post will include them at the end of your post.

While the above method lets you tag anyone in a post, this lets you tell your audience that you were with specific people. Thus, it only allows you to tag your friends.

3. Photo Tagging

Tagging friends in photos lets others easily identify them. It also adds those photos to the Photos of You section for anyone in the picture. Open any Facebook photo and if there’s a face inside, Facebook will add a show a box when you mouse over it. Click in the text field below and enter the person’s name to tag them.

If the box doesn’t show up, click Tag Photo at the bottom of the screen and drag a box over the person’s face. Then enter their name to tag them.

Take a look at our beginner’s guide to Facebook to learn more.

Image Credit: Mactrunk/Depositphotos



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How to See Your Entire Windows Upgrade History as a List

Have you ever wanted to refer back to an old Windows upgrade you installed? It’s easier said than done.

You can see the most recent handful of updates in the Settings app (go to Update and Security > Windows Update > View Installed Update History), but it doesn’t show system-wide upgrades (such as moving from Windows 7 to Windows 10 or installing the Fall Creators Update).

So what options do you have?

Well, there are actually two ways you can see all the upgrades that you have installed on your system. They’re just very well hidden and not so well known. In this quick article, we’re going to show you both methods. Keep reading to find out more.

Method 1: Use the Windows Registry

To see you update history using the Windows Registry, follow the step-by-step guide below.

  1. Press Windows + R.
  2. Type regedit.
  3. Press Enter.
  4. Navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\Setup.
  5. Check the SourceOS keys.

As you can see from the image above, my last upgrade was on 21st October 2017, I installed build number 15063, and installed it in the C:\Windows path.

Warning: The Registry Editor is a powerful tool. Making incorrect changes could have serious consequences for your system. Proceed with caution and always make sure you back up your Windows registry before making any changes.

Method 2: Use PowerShell

You can also use PowerShell to find similar information. To begin, launch PowerShell by pressing the Windows key and running a search.

When you’re looking at the PowerShell screen, enter the following code and press Enter:

$AllBuilds = $(gci "HKLM:\System\Setup" | ? {$_.Name -match "\\Source\s"}) | % { $_ | Select @{n="UpdateTime";e={if ($_.Name -match "Updated\son\s(\d{1,2}\/\d{1,2}\/\d{4}\s\d{2}:\d{2}:\d{2})\)$") {[dateTime]::Parse($Matches[1],([Globalization.CultureInfo]::CreateSpecificCulture('en-US')))}}}, @{n="ReleaseID";e={$_.GetValue("ReleaseID")}},@{n="Branch";e={$_.GetValue("BuildBranch")}},@{n="Build";e={$_.GetValue("CurrentBuild")}},@{n="ProductName";e={$_.GetValue("ProductName")}},@{n="InstallTime";e={[datetime]::FromFileTime($_.GetValue("InstallTime"))}} };

Now enter the following code and once again press Enter:

$AllBuilds | Sort UpdateTime | ft UpdateTime, ReleaseID, Branch, Build, ProductName

The results will show you all the previous Windows versions that were installed on your machine in a table. You’ll see both Windows 10 upgrades and upgrades from Windows 7 or 8 to the current release.

If you’re still not sure whether upgrading to Windows 10 is right for you, check out some the operating system’s most overlooked features. You’ll definitely be impressed.



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The Beginner’s Guide to Microsoft Excel

Microsoft Excel has been around for decades and many have used it since its release. But there are still others who are just now starting to use it. Whether for work, school, or personal use, it can be a little intimidating when you first begin. There are even classes for new Excel users both online and on campuses.

This guide is available to download as a free PDF. Download The Beginner’s Guide to Microsoft Excel now. Feel free to copy and share this with your friends and family.

This guide to Excel is for those who have never used it before, are struggling with it as a beginner, or just want the basics to then learn it on their own.

What Is Microsoft Excel?

In the simplest of terms, Excel is a spreadsheet application. It uses grids of cells within columns and rows to manipulate, organize, and perform calculations with data. You can use pivot tables, charts, formulas, and functions in a variety of ways.

beginner's guide to microsoft excel

That being said, the application is not limited to numbers, although that’s where it “excels.” You can add text, images, videos, objects, and many other items to help track, manage, and easily view information.

General Uses for Excel

  • Budgets for household or business finances
  • Invoices and receipts
  • Tracking for projects, client and customers, and health records
  • Planners and calendars
  • Checklists and task lists
  • Financial, loan, debt, and mortgage calculations
  • Inventory management

The list goes on with the many uses for Excel. So, whatever you plan to use it for, let’s look at a few of the terms you will need to know.

Basic Excel Terms You Should Know

Throughout this guide, you will see the same terms used again and again. Getting familiar with them will help you to understand the guide and the steps you see.

Workbook and Spreadsheet: A workbook is what you actually use when you open Excel. The workbook contains the spreadsheets. A workbook can hold many spreadsheets and you can move between those sheets with the tabs on the bottom of the Excel workbook.

Cell: Spreadsheets are made up of rectangular blocks called cells. A cell contains the data you enter; from numbers to words to images to formulas, cells hold that information. You can enter data either directly in the cell or in the formula bar (text box) for the cell right below your ribbon.

You will also notice the name box (cell indicator) to the left of the formula bar. By default, this displays the corresponding column and row for the cell. For instance, the cell in the top left corner of the spreadsheet is A1 for column A, row 1.

Formulas and Functions: You can think of a formula as a calculation or equation. With Excel, you can create formulas or use built-in ones. These formulas can automatically calculate numbers for you like addition or multiplication.

In addition to calculations, you can use functions for things like counting the number of items in a column or displaying a minimum or maximum number for a group of cells.

The Excel Tabs and Ribbon

You should take a little time to familiarize yourself with the ribbon in Excel. Just like with other Microsoft Office applications, the ribbon holds the buttons that you will use inside tabs. You can customize the ribbon to remove or add both tabs and buttons. But you will likely see the tabs below by default.

beginner's guide to microsoft excel

Here is a brief explanation of what each one is for and which button sections you can see.

  • File: Create a new workbook, open an existing one, save, print, and share books and sheets.
  • Home: Ctrl the clipboard, font, alignment, numbers, style, cells, and editing.
  • Insert: Insert tables, charts, illustrations, filters, and links.
  • Draw: Use drawing tools such as a lasso selection, eraser, pen, and highlighter.
  • Page Layout: Adjust the spreadsheet theme, page setup, scale-to-fit, and sheet options.
  • Formulas: Pick a formula, function from the library, and perform formula auditing.
  • Data: Get and transform data, view queries and connections, sort, filter, and use data tools.
  • Review: Use tools for proofreading, accessibility, language, and comments.
  • View: Change the workbook view, items to show, zoom in or out, and work with windows.

Also, note the Tell me what you want to do box. If you need help or want more information on a feature, just enter the keyword into the box and view your results.

The Quick Access Toolbar

As with the tabs and ribbon, if you use other Microsoft Office applications you should be familiar with the Quick Access Toolbar. But if not, this is the toolbar at the very top left of the Excel window. And it is important because it allows you to quickly undo or redo an action, plus save your file.

beginner's guide to microsoft excel

If you make a mistake and want to undo it, just click the Undo button. If you click it once, it will undo the last action you took. If you keep clicking it, it will undo actions you took one-by-one moving backward. Alternatively, you can click the arrow next to the Undo button and highlight all actions you want to undo.

If you undo an action with the button, the Redo button will then be clickable. This lets you redo what you have just undone. Like the Undo button, you can redo your last action with one click or use the arrow next to the Redo button to redo multiple actions.

The Save button lets you quickly save the file you are working on with the current file name.

Spreadsheet Options

beginner's guide to microsoft excel

Managing a large number of spreadsheets is no problem for Excel. So, you can use more than one if your project calls for it. For example, you can use different spreadsheets for months or years, product warehouse locations, loan or credit card companies, and healthcare facilities.

Along with multiple sheets, you can take advantage of these basic spreadsheet features.

  • Add a spreadsheet: Click the plus button at the bottom next to your last sheet.
  • Rearrange spreadsheets: Hold the sheet tab and drag to its new spot in the workbook.
  • Name a spreadsheet: Double-click the sheet tab and type the new name. By default, you will see them named Sheet 1, Sheet 2, and so on.
  • Color a spreadsheet tab: Right-click the sheet tab and under Tab Color, just click to apply a new one.
  • Protect a spreadsheet: Right-click the sheet tab and under Protect Sheet, add a password and select your options.
  • Move or copy a spreadsheet: Right-click the sheet tab and select Move or Copy. You can then move the sheet to another spot in the workbook, move it to a different workbook, and make a copy of it for either case.
  • Delete a spreadsheet: Right-click the sheet tab and click Delete. You will need to confirm this action in the subsequent pop-up window.

Working With Columns, Rows, and Cells in Excel

There are some basics such as selecting, inserting, deleting the columns, rows, and cells in Excel. These are handy actions to keep in mind as you work with your spreadsheets.

Select an Entire Column or Row

You will notice as you move your mouse over the letters for the columns or numbers for the rows that a small arrow will appear. If you click at that time, the entire column or row will be selected. You might use this action for applying a function, formatting, or sorting.

beginner's guide to microsoft excel

Select a Group of Columns, Rows, or Cells

There may be times when you want to select more than one column, row, or cell. You can do this in a couple of different ways depending on if they are adjacent or scattered.

Select Adjacent Columns, Rows, or Cells

When you want to select columns, rows, or cells that are next to each other, begin by selecting the first one. Then, hold down your mouse button and drag through the rest. You will see them highlight as they are selected. Release the mouse button when you finish.

beginner's guide to microsoft excel

Another way to do this is to select the first one, hold down your Shift key, and then select the last one. If you do this with cells, you can select an entire group across and down.

beginner's guide to microsoft excel

Select Scattered Columns, Rows, or Cells

If you would like to select columns, rows, or cells that are not adjacent, start by clicking the first one. Then, hold down the Ctrl key and continue clicking the ones you want. Release the Ctrl key when you finish.

beginner's guide to microsoft excel

Insert or Delete a Column, Row, or Cell

You can easily add or get rid of a column or row that you no longer need. Again, put your mouse over the letter or number, but instead of left-clicking your mouse, right-click. In the context menu that appears, select either Insert or Delete.

beginner's guide to microsoft excel

You can also simply hide (and unhide) columns or rows by selecting Hide (or Unhide) from the context menu.

You can insert or delete a cell the same way as a column or row. However, with either option, you will receive a pop-up alert asking how you would like to shift the cells, row, or column. Just choose an option and click OK.

beginner's guide to microsoft excel

Move a Column, Row, or Cell

If you decide to move a column, row, or cell to a different spot in your spreadsheet, you can do it but must be careful. First, select the column, row, or cell as described above. Put your mouse over one of the edges of it so that the four-sided arrow appears. Then, drag it by holding down your mouse button to its new location and release.

beginner's guide to microsoft excel

What you must be cautious of is if you release the column, row, or cell over the top of one that already contains data. If this happens, a pop-up box will appear asking if you are sure you want to replace the data. So, if you do this in error, click Cancel and it will go back to its original spot. But if it’s your intent to replace the data, click OK.

beginner's guide to microsoft excel

Adjusting the Size of a Column or Row

You may want all or some of the columns or rows on your spreadsheet to be a specific size regardless of the data they hold. Adjusting the width or height is simple and can be done in two different ways.

First, you select and right-click the column or row. In the context menu choose either Column Width or Row Height, depending on which one you want to change. In the pop-up window that appears, you will see the current width or height. Replace it with the number you want and click OK.

beginner's guide to microsoft excel

Another way to adjust the size of a column or row is to first select it. Move your mouse to the border until you see a two-sided arrow appear. Then, hold down your mouse button and drag until you reach the size you want.

beginner's guide to microsoft excel

Adjusting the Size to Fit Your Data

If you would rather have each column and row sized to accommodate your data, you can do this in a just a few clicks. First, select the entire spreadsheet by clicking the triangle in the upper left corner between the A and the 1.

Then, move your mouse between two columns until you see the two-sided arrow and double-click. Next, do the same for the rows. You will notice both columns and rows of the spreadsheet adjust to fit the data in your cells. It will automatically adjust for the cell with the longest amount of data.

beginner's guide to microsoft excel

Basic Formatting

Excel offers a variety of ways to format your spreadsheets, from basic to advanced. Since this is a beginner’s guide, we will go through some simple formatting tips that you would likely use.

Fonts, Shading, and Colors

beginner's guide to microsoft excel

No matter what you decide to use Excel for, basic formatting of columns, rows, and cells can help you view your data easily. For instance, you may use the first row of a spreadsheet to insert headers. Like in our example for a product sheet, you might use item number, product name, and price.

To make that top row stand out better from a large amount of data beneath, you can format it easily. Select the row and then apply your formatting using options on the Home tab. Here, you may make the font bold, apply a fill shade, and color the font.

  1. Select the top row.
  2. Click the Bold
  3. Click the arrow next to the Fill Color and pick a color.
  4. Click the arrow next to the Font Color and pick a color.

Keep in mind that these instructions will apply to the entire first row. If you only have a few columns, you can follow the steps further above to only select certain cells in that row and apply the formatting to them alone.

Dates, Currency, and Decimals

If you are creating a tracking spreadsheet, automatic formatting for dates, currency, and decimals is convenient. And you can apply each of these formatting rules in just a few clicks from the Home tab.

Dates

beginner's guide to microsoft excel

You may have a Date column on your spreadsheet for many reasons. When you enter the data, when you make a purchase, or when an item is due are all just examples.

  1. Select the column, row, or cell where you will enter the date.
  2. Under Number on your ribbon, click the arrow in the General
  3. Select either Short Date or Long Date from the dropdown box.

Note that if you use the Long Date, which inserts words and numbers as shown below, you do not have to type it in manually. For instance, if you apply a Long Date and enter “2/14/18” it will automatically populate as “Wednesday, February 14, 2018.”

Currency

beginner's guide to microsoft excel

If you have a spreadsheet for your budget, price list, or invoicing, then you can apply the currency format easily in two different ways.

Method One

  1. Select the column, row, or cell where you will enter the currency.
  2. Under Number on your ribbon, click the arrow in the General
  3. Select Currency from the dropdown box.

Method Two

The second method allows you to choose the type of currency you would like.

  1. Select the column, row, or cell where you will enter the currency.
  2. Under Number on your ribbon, click the arrow next to the Currency
  3. Select the type of currency you wish to apply.

Whichever method you decide to use, any number that you enter into the applied columns, rows, or cells will automatically be formatted as that currency.

Decimals

beginner's guide to microsoft excel

You can use the decimal formatting to adjust your currency or simple numbers. For instance, you may be tracking your student’s grades or even your own where you need decimals. You can apply this formatting with these two steps.

  1. Select the column, row, or cell where you will enter the number.
  2. Under Number on your ribbon, click either the Increase Decimal or Decrease Decimal button depending on your current numbering format.

Additional Number Formats

beginner's guide to microsoft excel

You will also notice under Number on your Home tab, many additional ways to format your numbers. As you progress with Excel, these may come in handy.

These options include times, fractions, percentages, and others. Plus, you can click the More number formats link at the bottom to see options like ZIP code, phone number, and custom choices.

Simple Formulas: The AutoSum Tool

One of the best time-saving features in Excel is the AutoSum tool. It’s easy to use and can help reduce calculation errors. And if you are using Excel for a project like income and expenses or loan and debt management, you will appreciate the AutoSum feature.

This uncomplicated formula tool can add, average, count numbers, or find the minimum or maximum for a column, row, or group of cells. By default, you should see the AutoSum button on your Home tab ribbon, all the way to the right. You can also access it from the Formulas tab.

beginner's guide to microsoft excel

If you just click the AutoSum button, it will automatically insert the sum function. But if you click the arrow for the button, you will see the other common formulas you can use mentioned above.

Say that you have a column of numbers you would like to add. First, click the cell where you would like the total to display. Next, click the AutoSum button. Excel will automatically detect the numbers you want to add. They will be highlighted and you can see the formula which may appear something like this: =SUM(C2:C7)

Note: The equal sign indicates a formula. SUM is the function. And C2:C7 are the cells that apply.

If this looks correct for you, just hit your Enter key. The calculation will pop into the cell adding those numbers for you.

beginner's guide to microsoft excel

The other options within AutoSum work similarly. Maybe you need to get the average of a group of cells. First, click the cell where you want the average to display. Next, click the arrow for the AutoSum button. Again, Excel will automatically detect the numbers, highlight the cells, and provide the formula. Click the Enter key to insert the average.

beginner's guide to microsoft excel

As we mentioned in the Basic Terms for Excel section, there are many formulas and functions that you can use. Some, like AutoSum, provide very simple and commonly-used calculations. But many others are advanced and beyond the scope of this beginner’s guide. Feel free to check them all out on the Formulas tab if you like to experiment.

Start With an Excel Template

One of the best ways to get started in Excel is to use a template. And you will find a large variety of options both within Excel and on external sites.

Built-In Excel Templates

To view options within Excel, click File > New. You will then see a number of featured templates you can use, categories you can pick from, and a search box if you want something specific.

beginner's guide to microsoft excel

Built-in templates range from simple calendars and planners to elaborate financial reports and balance sheets. But there is a template for almost any common use that you would want in Excel.

If you see a template you would like to view, click on it and then review its description and download size in the pop-up window. If you want to use it, click the Create button.

beginner's guide to microsoft excel

Third-Party Excel Templates

If you would like to venture out and take a look at external templates, we have a variety of suggestions for you depending on your need.

Once you get the hang of using Excel, you can also create your own templates to use again and again. From fundraising tools to helpful calendars, saving a spreadsheet you create as a template is easier than you think.

Are You Ready to Dig Into Excel?

Hopefully, this beginner’s guide will get you on your way to a great experience with Microsoft Excel. There are many features and functions that can be intimidating to brand new users. But those you see here should help you learn as you go when creating your first workbook full of spreadsheets.



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