Casio CLASSPAD 330 3.04 - Manual (Page 130)

20060301
I Logarithmic Functions (log, ln) and Exponential Functions ( e , ^, I )
Problem
Use this keyboard:
Operation
mth abc cat 2D
log1.23 (log
10
1.23) =
0.08990511144
G Func G J 1.23 U or
5 10 C 1.23 U
ln90 (log e 90) = 4.49980967 G Func G ( 90 U or
5LC
C 90 U
log
3
9 = 2 G Func G J 3 9 U or
5 3 C 9 U
10 1.23 = 16.98243652 G MATH Cmd G 10 Y 1.23 U
e 4.5 = 90.0171313 G MATH Func G C 4.5 U or
0 4.5 U
(–3) 4 = (–3) s (–3) s
(–3) = 81
G MATH Cmd G 3 Y 4 U
–3 4 = – (3 s 3 s 3 s 3) = –81 G MATH Cmd G 3 Y 4 U
7 123 (= 123 )
= 1.988647795
G MATH Cmd G 123 Y 1 7 U or
7 C 123 U
2 + 3 s
3
64 – 4 = 10 G MATH Cmd G 2 3 64 Y 1
3 4 U or 2
3 3 C 64 C 4 U
Can be omitted.
Tip
• ^ and
8
h: have a higher calculation priority sequence than s and ÷.
2-4-3
Function Calculations
1
—
7