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Casio ClassPad 300 User Manual

Page 110

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20021201

k Logarithmic Functions (log, ln) and Exponential Functions (

e

, ^,

k

)

Problem

Use this keyboard:

Operation

mth

abc

cat

2D

log1.23 (log

10

1.23) =

Func

l 1.23 w or

0.08990511144

)V 10 e 1.23 w

ln90 (log

e

90) = 4.49980967

Func

I 90 w or
)V0ne
e 90 w

log

3

9 = 2

Func

l 3 , 9 w or
)V 3 e 9 w

10

1.23

= 16.98243652

MATH

Cmd

10 { 1.23 w

e

4.5

= 90.0171313

MATH

Func

e 4.5 w or
)Q 4.5 w

(–3)

4

= (–3)

Ч (–3) Ч (–3) Ч

MATH

Cmd

(

- 3 ){ 4 w

(–3) = 81

–3

4

= – (3

Ч 3 Ч 3 Ч 3) = –81

MATH

Cmd

- 3 { 4 w

7

123 (= 123

)

MATH

Cmd

123 {( 1 / 7 w or

= 1.988647795

)% 7 e 123 w

2 + 3

×

3

64 – 4 = 10

MATH

Cmd

2 + 3 * 64 {( 1 /
3 )- 4 w or ) 2 +
3 *% 3

e 64 e- 4 w

Can be omitted.

Tip

• ^ and

have a higher calculation priority sequence than

× and ÷.

2-4-3

Function Calculations

1

7

20030201