Sharp EL-9900 Operation Manual page 84

Chapter 5: Advanced Calculations — Advanced Keyboard
C PROB
1 random
D CONV
74
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.
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.
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