The 1 Log Menu - Texas Instruments TI-73 Explorer Manual Book

54
Chapter 2: Math Operations

The 1 LOG Menu

The 1
LOG
are used to calculate base-10 and base-e logarithms and
powers.
1 " " "
NorN
1 !
1:log(
2:10^(
3:ln(
4:e^(
log( 1 " " " 1 1
log(
The logarithm is the exponent, x, indicating the power which a
fixed number (using base 10) must be raised to in order to
produce a given number, a.
For 10 x =a, log
returns the logarithm of a positive real number, an
log(
expression that results in a positive real number, or a list of
positive real numbers.
value
log(
list
log( )
³
Calculate log(30).
: 1 " " "
3 0
(logarithm) menu lets you select functions that
Returns the base-10 logarithm of a value.
Raises 10 to a power.
Calculates the natural logarithm of a value.
Raises e to a power (e = 2.71828182846).
)
E b
a=x
10
1