Exponential and logarithmic functions, Trigonometric functions – HP 48g Graphing Calculator User Manual
Page 144
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Exponential and Logarithmic Functions
Key
Progranmiable
Command
Description
ALOG
Prefix. Common (base 10)
antilogarithm.
LOG
Prefix. Base 10 logarithm.
SI©
EXP
Prefix. Natural (base e) antilogarithm.
&m
LN
Prefix. Natural (base e) logarithm.
12
Trigonometric Functions
For trigonometric functions, the angle arguments and results are
interpreted as degrees, radians, or grads, depending on the current
angle mode.
Trigonometric Functions
Key
Programmable
Coimnand
Description
fsiNl
SIN
Pi'efix. Sine.
R
t
I
íasin
)
ASIN
Prefix. Arc sine.
( c o s )
COS
Prefix. Cosine.
ACOS
Prefix. Arc cosine.
(TAN)
TAN
Prefix. Tangent.
raíAfANl
ATAN
Prefix. Arc tangent.
12-2 Functions of Real and Complex Numbers