Download PDF by Jacek Artymiak: Beginning OpenOffice Calc: From Setting Up Simple

By Jacek Artymiak

OpenOffice Calc is the main strong and frequent open resource spreadsheet software in lifestyles. it's the basically actual replacement to Excel. Jacek Artymiak is greatly considered as the authority on OpenOffice Calc. he is taking you, step-by-step, from the interface and dealing with Calc documents to operating with facts resources small and massive. Artymiak then extends the reader's skillset to facts visualization, writing complicated formulation and appearing statistical research. starting OpenOffice Calc permits you to achieve self assurance within the thought of use of statistical formulation, yet doesn't imagine familiarity with one other spreadsheet software.

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Info CHAPTER 6 ■ UTILITY MATHEMATICAL FUNCTIONS Random Number (RAND) Syntax: RAND() The RAND function returns a random fractional number between 0 and 1. To make it a bit more useful, you can multiply it by 10 and use TRUNC to turn the results into integers from 0 to 10. Here’s an example: =TRUNC(RAND()*10) Multiplying RAND by 100 in the preceding example returns numbers from 0 to 100. Figure 6-6. Sample result of the RAND function If you want random numbers from a different range, such as 1970 to 2010, use the following trick: =TRUNC(RAND()*40)+1970 See also the section on the TRUNC function.

For example: =CEILING(-13; -2) returns –12, which is greater than –13, unless you add 1 as mode to round down, as in =CEILING(-13; -2; 1) which returns –14. You cannot mix negative and positive numbers. For example: CEILING(-13;2) is not allowed. See also the sections on the EVEN, FLOOR, INT, ODD, ROUND, ROUNDDOWN, ROUNDUP, and TRUNC functions. Nearest Even Integer (EVEN) Syntax: EVEN(Number) The EVEN function is useful when you want results to be presented as even integer numbers. 349888)/2 The result will be 6234 pairs of socks, which is a much more useful and natural way to present such quantities.

For example: =POWER(10; 2) returns 100, or 102. info CHAPTER 5 ■ SIMPLE MATHEMATICAL FUNCTIONS Figure 5-7. Sample result of the POWER function See also the sections on the EXP, FACT, LN, LOG, LOG10, and SQRT functions. Product of Many Arguments (PRODUCT) Syntax: PRODUCT(ARG1; ARG2; … ARG30) The PRODUCT function multiplies up to 30 arguments (x1, x2, … x30). Each argument can be a single value or a range of cells. For example: =PRODUCT(A1:A23; B2:C23) multiplies values of all cells from ranges A1:A23 and B2:C23.

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