31
Basic Calculations
Chapter 2
u
u
u
u
u
To perform logarithmic/exponential function calculations
Example 1 log1.23
l
b.cd
w
Result: 0.0899051114
Example 2 ln90
I
ja
w
Result: 4.49980967
Example 3 To calculate the anti-logarithm of common logarithm 1.23 (10
1.23
)
!0
b.cd
w
Result: 16.98243652
Example 4 To calculate the anti-logarithm of natural logarithm 4.5 (
e
4.5
)
!e
e.f
w
Result: 90.0171313
Example 5 (–3)
4
= (–3)
×
(–3)
×
(–3)
×
(–3)
(
-
d)
M
e
w
Result: 81
Example 6
7
123
h
!q
bcd
w
Result: 1.988647795
(3) Other Functions
Example
Operation
Display
+
=
3.65028154
!9
2
+
!9
5
w
3.65028154
2
5
(–3)
2
= (–3)
×
(–3) = 9
(
-
3
)
xw
9
–3
2
= –(3
×
3) = –9
-
3
xw
– 9
(
3
!X
-
4
!X
)
!Xw
12
8! (= 1
×
2
×
3
×
....
×
8)
= 40320
8
K
4
(PROB)
1
(
x
!)
w
40320
3
= 42
!#
(
36
*
42
*
49
)
w
42
36
×
42
×
49
Random number generation
K
4
(PROB)
(pseudo random number
4
(Ran#)
w
(Ex.) 0.4810497011
between 0 and 1.)
1
––––––––––– = 12
1
1
––– – –––
3
4
Summary of Contents for fx-7400G PLUS
Page 7: ... fx 7400G PLUS ...
Page 14: ...xii Contents ...
Page 57: ...Differential Calculations Chapter 3 ...
Page 176: ...162 Chapter 8 Programming ...
Page 188: ...Chapter 9 Data Communications 174 ...
Page 199: ...185 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 200: ...186 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 201: ...187 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 202: ...188 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 205: ...191 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...