User Manual

Logarithm and exponential functions

DC(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 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

EM3). This function is valid only for real numbers.

LOG DD1 ) <

LN D 5 ) V 2 <

›

CCDD

2 ) <

DDCC

5 " ) <

›

C .5 <