Basic calculations chapter 2, 3) other functions – Casio fx-7400G PLUS Basic Operation User Manual
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Basic Calculations
Chapter 2
u
uu
u
uTo perform logarithmic/exponential function calculations
Example 1
log1.23
lb.cdw
Result: 0.0899051114
Example 2
ln90
Ijaw
Result: 4.49980967
Example 3
To calculate the anti-logarithm of common logarithm 1.23 (10
1.23
)
!0b.cdw
Result: 16.98243652
Example 4
To calculate the anti-logarithm of natural logarithm 4.5 (
e
4.5
)
!ee.fw
Result: 90.0171313
Example 5
(–3)
4
= (–3)
Ч (–3) Ч (–3) Ч (–3)
(
-d)Mew
Result: 81
Example 6
7
123
h
!qbcdw
Result: 1.988647795
(3) Other Functions
Example
Operation
Display
+
=
3.65028154
!92+!95w
3.65028154
2
5
(–3)
2
= (–3)
× (–3) = 9
(
-3)xw
9
–3
2
= –(3
× 3) = –9
-3xw
– 9
(3!X-4!X)
!Xw
12
8! (= 1
Ч 2 Ч 3 Ч .... Ч 8)
= 40320
8K4(PROB)1(
x
!)w
40320
3
= 42
!#(36*42*49)w
42
36
Ч 42 Ч 49
Random number generation
K4(PROB)
(pseudo random number
4(Ran#)w
(Ex.) 0.4810497011
between 0 and 1.)
1
––––––––––– = 12
1
1
––– – –––
3
4