Texas Instruments TI-36X Pro User Manual - Page 27
Logarithm and exponential functions, Numeric derivative
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Logarithm and exponential functions D C (multi-tap keys) D yields the logarithm of a number to the base e (e ≈ 2.718281828459). D D yields the common logarithm of a number. C raises e to the power you specify. C C raises 10 to the power you specify. Examples LOG D D1 ) < LN D 5 ) V 2 < 10› - C CD D 2 ) < D DC C 5 " ) < e› - C .5 < Numeric derivative %A % A calculates an approximate derivative of expression with respect to variable, given the value at which to calculate the derivative and H (if not specified, the default is 1EM3). This function is valid only for real numbers. 27
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27
Logarithm and exponential functions
D
C
(multi-tap keys)
D
yields the logarithm of a number to the base e
(
e
≈
2.718281828459).
DD
yields the common logarithm of a number.
C
raises
e
to the power you specify.
CC
raises 10 to the power you specify.
Examples
Numeric derivative
%A
%A
calculates an approximate derivative of
expression
with respect to
variable
, given the
value
at
which to calculate the derivative and
H
(if not specified, the
default is 1
E
M
3). This function is valid only for real numbers.
LOG
DD
1
)
<
LN
D
5
)
V
2
<
10
›
-
C CD D
2
)
<
D DC C
5
" )
<
e
›
-
C
.5
<