Casio ClassPad 300 PLUS - Manual (Page 111)

20050501
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
Ⅵ
Ⅺ have a higher calculation priority sequence than
× and ÷.
2-4-3
Function Calculations
1
—
7