Eu iz – HP 38g Graphing Calculator User Manual
Page 51
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[ATAN]
l[J^]
[^]
K’]
EU
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
(x
raised toy). Also accepts complex numbers.
value'‘power
! [ABS]
Absolute value. For a complex number, this is •/
ABS [value)
ABS( ( x , y ) )
I
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