Factorial Function (!); Absolute Value Function (Abs) - Casio fx-82ES PLUS User Manual

Specify the angle unit before performing calculations.
The calculation result for r and θ and for x and y are each assigned
Calculation result θ is displayed in the range of -180° < θ ≦ 180°.
respectively to variables X and Y.
Example 1: To convert rectangular coordinates (√2, √2) to polar
coordinates (Angle unit: Deg)
(MthIO-MathO)
(Pol) 2
(LineIO)
(Pol) 2
Example 2: To convert polar coordinates (√2, 45°) to rectangular
coordinates (Angle unit: Deg)
(MthIO-MathO)
(Rec)

Factorial Function (!)

Example: (5 + 3)! = 40320

Absolute Value Function (Abs)

Note that the input method is different depending upon whether you are
using Natural Display or Linear Display.
Example: |2 - 7| × 2 = 10
(MthIO-MathO)
(LineIO)
(,) 2
(,) 2
2 (,) 45
5 3 (x!)
2 7
2 7
33
r = 2, θ = 45
X = 1, Y = 1
2
2
r = 2
θ = 45
40320
10
10