Converting Between Polar And Rectangular Coordinates; Combinations And Permutations - Casio Fx-82AU PLUS II User Manual

Converting between polar and rectangular coordinates

Mode: Computation
Method: Press the button for how you would like the point expressed, not the form it is currently. That
is, press polar (pol) or rectangular (rec). Enter the two values separated by a comma and press equal.
Entering the last bracket is optional.
Example
The button sequence to convert the rectangular coordinates (√2, √2) to polar coordinates press
q+s2$q ) s 2 =. Moving out of the second square root and typing the closing
bracket is optional.
o
To convert the polar coordinates (√2, 45 ) to rectangular coordinates, make sure the calculator is set to
degrees then press qps2$q ) 45 =. The last bracket is optional.

Combinations and permutations

Mode: Computation
Method: Enter the first number followed by either nPr or nCr and equals.
Example
press 5qO2=.
5
To calculate the value of P
2
© Sue Thomson and Shriro
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