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Excel's Formula - sisman

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Chapter 4: Introducing Worksheet Functions 115<br />

See subsequent chapters for specific examples of using the functions.<br />

Financial functions<br />

The financial functions enable you to perform common business calculations that deal with<br />

money. For example, you can use the PMT function to calculate the monthly payment for a car<br />

loan. (You need to provide the loan amount, interest rate, and loan term as arguments.)<br />

Date and time functions<br />

The functions in this category enable you to analyze and work with date and time values in formulas.<br />

For example, the TODAY function returns the current date (as stored in the system clock).<br />

Math and trig functions<br />

This category contains a wide variety of functions that perform mathematical and trigonometric<br />

calculations.<br />

The trigonometric functions all assume radians for angles (not degrees). Use the<br />

RADIANS function to convert degrees to radians.<br />

Statistical functions<br />

The functions in this category perform statistical analysis on ranges of data. For example, you can<br />

calculate statistics such as mean, mode, standard deviation, and variance. Excel 2010 includes<br />

many new functions in this category.<br />

Lookup and reference functions<br />

Functions in this category are used to find (look up) values in lists or tables. A common example<br />

is a tax table. You can use the VLOOKUP function to determine a tax rate for a particular income<br />

level.<br />

Database functions<br />

Functions in this category are useful when you need to summarize data in a list (also known as a<br />

worksheet database) that meets specific criteria. For example, assume you have a list that contains<br />

monthly sales information. You can use the DCOUNT function to count the number of<br />

records that describe sales in the Northern region with a value greater than 10,000.

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