Eu iz – HP 38g Graphing Calculator User Manual

Page 51

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

[ATAN]

l[J^]

[^]

K’]

IZ]

Arc tangent: tan^'x. Output ranges from -90° to 90°, -Tr/2 to

77/2, or -100 to 100 grads. Inputs and outputs depend on the

current angle format. Also accepts complex numbers.

AT AN (oa/ue)

Square. Also accepts complex numbers.

value‘

Square root. Also accepts complex numbers.

V~value

Pi, a constant.

Multiplicative inverse (reciprocal). For a complex number, the

reciprocal is

X + y X + y

value''-!

Negation. Also accepts complex numbers.

-value

Power

raised toy). Also accepts complex numbers.

value'‘power

! [ABS]

Absolute value. For a complex number, this is •/

ABS [value)
ABS( ( x , y ) )

Takes the nth root of

x .

roo/NTHROOTna/ue

Example: 3 B S/x 8 returns 2.

2 2

X +y .

Mathematical Calculations 2-15