Operation Manual

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9.5) Log 10 & natural logarithms/ exponents (log 10, natural
logarithms, exponential and root functions)
log 1.23 (=log
10
1.23) = 1 23 0.089905111
Solution 4x = 64
x =
log 64
log4
= 64
4 3.
In 90 (= log
e
90) = 90 4.49980967
log 456 ÷ In 456 =
456
M
0.434294481
10
0.4
+ 5 • e
-3
= 4 5 3
2.760821773
5.6
2.3
= 5 6 2 3 52.58143837
123
1/7
(=
7
123 ) = 123 7 1.988647795
(78 - 23)
-12
=
78 23 12 1.305111829- 21
3
12
+ e
10
= 3 12 10 553467.4658
log sin 40° + log cos 35°
40
35 - 0.278567983
15
1/5
+ 25
1/6
+ 35
1/7
=
15
5 25
6
35 7 5.090557037
9. CALCULATIONS WITH FUNCTIONS9. CALCULATIONS WITH FUNCTIONS
sec (
π
3
rad) =
“RAD” 30
3 RAD 2.
cosec 30° =
1
sin 30°
= “DEG” 30
2.
cos
-1
2
2
=
“RAD” 2
2 0.785398163
tan
-1
0.6104 = “DEG” 6104 31.39989118
31°23’59”6
9.4) Hyperbole functions and hyperbole inverse functions
sinh 3.6 = 3
6 18.28545536
tanh 2.5 = 2
5 0.986614298
cosh 1.5 - sinh 1.5 =
1
5
M
2.352409615
M
0.22313016
M
-1.5
sinh
-1
30 = 30 4.094622224
Solution tanh 4x = 0.88
x =
tanh
-1
0.88
4
=
88 4 0.343941914
1
π
cos ( __rad )
3
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