HP 9100B Operating & Programming Manual page 56

6
y
A
CONTINUED
U C ION KE S
(incorrect sequence)
PRESS:
1
hyper
•
arc
•
sin
x
DISPLAY: (sin- 1 1) 90.00000
~
X
note that when ARC is pressed after HYPER, the HY.
PER condition is cleared.
Replaces the contents of the X register with the square
root of the contents of
X.
EXAMPLE:
rg
==
3
J
SWITCH:
FIXED POINT
SET: DECIMAL DIGITS to 2
PRESS:
9
{X
DISPLAY· 3.00
~
X
NOTE
To solve for {X when x
==
a
2
+
b2 see the TO POLAR
key.
Replaces the contents of the X register with the natural
logarithm (logarithm to the base e) of the contents of X.
SPe
ex
for examples.