Texas Instruments TI-73 用户手册
Chapter 2: Math Operations
55
7302ENG.DOC CH2 Math Operations, English Julie Hewlett Revised: 07/29/98 11:58 AM Printed: 05/19/99 8:58
AM Page 55 of 32
10^(
10^( 1
"
"
"
2
2
Raises 10 to a power of x, where x is an integer, an expression
that results in an integer, or a list of integers. If x10
M4
or 10
10
,
the result is displayed in scientific notation.
10^(
integer
)
10^(
x
)
Calculate 10^(6), which is often written as 10
6
.
: 1 " " "
2
6
E b
Calculate 10^(M4).
1 " " "
2
a
4
E b
ln(
ln( 1
"
"
"
3
3
The natural logarithm is the exponent, x, indicating the power
which the base, e, must be raised to in order to produce a
given number, a.
The calculator uses e=2.718281828459, although it only
displays 2.718281828 on the screen.
ln(
returns the natural logarithm of a positive real number, an
expression that results in a positive real number, or a list of
positive real numbers.
ln(
value
)
ln(
list
)
³
³
For ex =a, ln(a)=x