HP 39gII, User Manual

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Using mathematical functions 155
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Using mathematical functions
Math functions
The HP 39gII contains many mathematical functions. To
use a math function, you enter the function onto the
command line, and include the function's argument(s) in
parentheses after the function name. The most common
math functions have their own key (or Shift of a key) on
the keyboard. All the rest of the mathematical functions
are found in the Math menu.
Keyboard functions
The most frequently used functions are available directly
from the keyboard. Many of the keyboard functions also
accept complex numbers as arguments.
+,w,
s,n
Add, Subtract, Multiply, Divide. Also accepts complex
numbers, lists and matrices.
value2 , etc.
h
Natural logarithm. Also accepts complex numbers.
LN
( value )
Example:
LN(1)
returns
0
S
e
x Natural exponential. Also accepts complex numbers.
e^
value
Example:
e^5
returns
148.413159103