This section is for users with no knowledge of Excel.Microsoft Excel is one of the most used software applications of all time. Hundreds of millions of people around the world use Microsoft Excel. You can use Excel to enter all sorts of data and perform financial, mathematical or statistical calculations.1: A range in Excel is a collection of two or more cells. This chapter gives an overview of some very important range operations.2: A formula is an expression which calculates the value of a cell. Functions are predefined formulas and are already available in Excel. 1: The tabs on the ribbon are: File, Home, Insert, Page layout, Formulas, Data, Review and View.
Excel selects the ribbon's Home tab when you open a workbook.2: A workbook is another word for your Excel file. When you start Excel, click Blank workbook to create an Excel workbook from scratch.3: A worksheet is a collection of cells where you keep and manipulate the data. Each Excel workbook can contain multiple worksheets.4: When we format cells in Excel, we change the appearance of a number without changing the number itself.5: Learn how to use Excel's Find, Replace and Go To Special feature.6: Instead of creating an Excel workbook from scratch, you can create a workbook based on a template. There are many free templates available, waiting to be used.7: Use data validation in Excel to make sure that users enter certain values into a cell.8: Keyboard shortcuts allow you to do things with your keyboard instead of your mouse to increase your speed.9: This chapter teaches you how to print a worksheet and how to change some important print settings in Excel.10: Learn how to share Excel data with Word documents and other files.11: Encrypt an Excel file with a password so that it requires a password to open it. Discover how functions in Excel help you save time.
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If you are new to functions in Excel, we recommend you to read our introduction to first.1: The most used functions in Excel are the functions that count and sum. You can count and sum based on one criteria or multiple criteria.2: Learn how to use Excel's logical functions such as the IF, AND, OR and NOT function.3: Cell references in Excel are very important. Understand the difference between relative, absolute and mixed reference, and you are on your way to success.4: To enter a date in Excel, use the '/' or '-' characters. To enter a time, use the ':' (colon). You can also enter a date and a time in one cell.5: Excel has many functions to offer when it comes to manipulating text strings.6: Learn all about Excel's lookup & reference functions such as the VLOOKUP, HLOOKUP, MATCH, INDEX and CHOOSE function.7: This chapter illustrates Excel's most popular financial functions.8: An overview of some very useful statistical functions in Excel.9: This chapter illustrates three functions to round numbers in Excel.
The ROUND, ROUNDUP and ROUNDDOWN function.10: This chapter teaches you how to deal with some common formula errors in Excel.11: This chapter helps you understand array formulas in Excel. Single cell array formulas perform multiple calculations in one cell. This section illustrates the powerful features Excel has to offer to analyze data.1: You can sort your Excel data on one column or multiple columns. You can sort in ascending or descending order.2: Filter your Excel data if you only want to display records that meet certain criteria.3: Conditional formatting in Excel enables you to highlight cells with a certain color, depending on the cell's value.4: A simple Excel chart can say more than a sheet full of numbers.
As you'll see, creating charts is very easy.5: Pivot tables are one of Excel's most powerful features. A pivot table allows you to extract the significance from a large, detailed data set.6: Tables allow you to analyze your data in Excel quickly and easily.7: What-If Analysis in Excel allows you to try out different values (scenarios) for formulas.8: Excel includes a tool called solver that uses techniques from the operations research to find optimal solutions for all kind of decision problems.9: The Analysis ToolPak is an Excel add-in program that provides data analysis tools for financial, statistical and engineering data analysis. Excel VBA (Visual Basic for Applications) is the name of the programming language of Excel.1: With Excel VBA you can automate tasks in Excel by writing so called macros. In this chapter, learn how to create a simple macro.2: The MsgBox is a dialog box in Excel VBA you can use to inform the users of your program.3: Learn more about the Workbook and Worksheet object in Excel VBA.4: The Range object, which is the representation of a cell (or cells) on your worksheet, is the most important object of Excel VBA.5: This chapter teaches you how to declare, initialize and display a variable in Excel VBA.6: Use the If Then statement in Excel VBA to execute code lines if a specific condition is met.7: Looping is one of the most powerful programming techniques. A loop in Excel VBA enables you to loop through a range of cells with just a few codes lines.8: This chapter teaches you how to deal with macro errors in Excel.9: In this chapter, you'll find the most important functions to manipulate strings in Excel VBA.10: Learn how to work with dates and times in Excel VBA.11: Events are actions performed by users which trigger Excel VBA to execute code.12: An array is a group of variables. In Excel VBA, you can refer to a specific variable (element) of an array by using the array name and the index number.13: In Excel VBA, a function can return a value while a sub cannot.14: The mother of all objects is Excel itself.
We call it the Application object. The application object gives access to a lot of Excel related options.15: Learn how to create ActiveX controls such as command buttons, text boxes, list boxes etc.16: This chapter teaches you how to create an Excel VBA Userform. 1: This example teaches you how to find duplicates (or triplicates) in Excel.2: Drop-down lists in Excel are helpful if you want to be sure that users select an item from a list, instead of typing their own values.3: The VLOOKUP function is one of the most popular functions in Excel. This page contains many easy to follow VLOOKUP examples.4: This example teaches you how to create a histogram in Excel.5: This example teaches you how to perform a regression analysis in Excel and how to interpret the Summary Output.6: The percent change formula is used very often in Excel.
For example, to calculate the Monthly Change and Total Change.7: A Pareto chart combines a column chart and a line graph. The Pareto principle states that, for many events, roughly 80% of the effects come from 20% of the causes.8: This example teaches you how to create a loan amortization schedule in Excel.9: Excel has two useful functions when it comes to generating random numbers. The RAND and RANDBETWEEN function.10: This example teaches you how to remove duplicates in Excel.11: The powerful COUNTIF function in Excel counts cells based on one criteria.
NFPA makes important safety codes and standards available for free onlineAs part of its commitment to enhancing public safety, NFPA makes its codes and standards available online to the public for free. Online access to NFPA's consensus documents conveniently places important safety information on the desktops of traditional users as well as others who have a keen interest. NFPA is committed to serving the public's increasing interest in technical information, and online access to these key codes is a valuable resource. To review codes and standards online:. Select the document you want to review.
Select the edition of the document you want to review. Click the 'Free access' link (under the document title). You will be asked to 'sign-in' or create a profile to access the document in read-only format.Free widgeton your web site, blog, e-newsletter, social media sites, and other digital media.NFPA President Jim Pauley talks about free access to NFPA codes and standards. More about free accessNFPA is proud to have been the first organization to provide free public access to privately developed codes and standards, and are pleased to see other organizations following our lead. There are some who argue that we should do more and immediately make all of our documents available online without any restrictions. It is essential that NFPA maintain copyright and the ability to charge for the codes and standards.
Most of the money NFPA needs to fund our process and other vital mission activities comes from the sale of codes. We also derive funding from the sale of related products and services.Related: NFPA joins lawsuit to stop copyright infringement (August 6, 2013).It has been suggested that NFPA ask the industries that use our documents to pay for their development.
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This would create significant problems, since one of the strengths of the codes and standards development system as it has always existed is that it provides NFPA with an independent source of revenue. Nobody can influence the process by threatening to withhold funds, because they system is funded not by a few big interests, but by the thousands of users who pay for their copies of the code.(SDOs).Can the codes and standards be downloaded or printed?This is a read-only site—documents cannot be downloaded or printed, because we rely on the revenues from people who want to own their own copies to fund the mission of NFPA. But for users who need to familiarize themselves with a code or check a requirement, this kind of access is invaluable.