Casio FX-7400G User Manual page 34

u u u u u To perform logarithmic/exponential function calculations
Example 1 log1.23
lb.cdw
Example 2 ln90
Ijaw
Example 3 To calculate the anti-logarithm of common logarithm 1.23 (10
!0b.cdw
Example 4 To calculate the anti-logarithm of natural logarithm 4.5 (
!ee.fw
Example 5 (–3) 4 = (–3) ! (–3) ! (–3) ! (–3)
(-d)Mew
Example 6 7
123
h!qbcdw
(3) Other Functions
Example
2 + 5 = 3.65028154
(–3) 2 = (–3) ! (–3) = 9
–3 2 = –(3 ! 3) = –9
1
––––––––– –– = 12
1 1
––– – –––
3 4
8! (= 1 ! 2 ! 3 ! .... ! 8)
= 40320
36 ! 42 ! 49 = 42
3
Random number generation
(pseudo random number
between 0 and 1.)
Basic Calculations
Operation
!92+!95w
(-3)xw
-3xw
(3!X-4!X)
!Xw
8K4(PROB)1(
!#(36*42*49)w
K4(PROB)
4(Ran#)w
Chapter 2
Result: 0.0899051114
Result: 4.49980967
Result: 16.98243652
e
Result: 90.0171313
Result: 81
Result: 1.988647795
Display
3.65028154
x
!)w
(Ex.) 0.4810497011
1.23
)
4.5
)
9
– 9
12
40320
42
31