Ln( ln( 1 – Texas Instruments TI-73 EXPLORER User Manual

Page 61

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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 x10

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

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