Sharp EL-9900 EL-9900C - Page 84
C PROB, random, rndInt, D CONV, ANGLE, Rectangular/polar coordinate conversion
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Chapter 5: Advanced Calculations - Advanced Keyboard C PROB These sub-menu items are useful for probability calculations. Refer to "Chapter 3: Basic Calculations - Basic Keyboard" for details. A comprehensive list of menu items can be found in the Appendix. 1 random Returns a random number form between 0 and 1. 2 rndInt( Returns a list of random integers, between a minimum and a maximum value. 3 nPr Returns the total number of permutations for selecting "r" items out of "n" items. 4 nCr Returns the total number of combinations for selecting "r" items out of "n" items. 5 ! Returns a factorial. D CONV These tools deal with conversions between different angle units and between rectangular and polar coordinates. 1 →deg value (sexagesimal number) →deg Takes a number in sexagesimal form, and converts it into a decimal number. 2 →dms value (degrees) →dms Takes a number in decimal form (in degrees), and converts it into a sexagesimal number. To enter a number in sexagesimal form, use items in the ANGLE sub-menu, described in Chapter 3. Rectangular/polar coordinate conversion This calculator is equipped with rectangular coordinates and polar coordinates conversion capabilities. x y r θ 74