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Example
(cosh 1.5 +
2
sinh 1.5)
=
5
–1
tanh
— =
7
ln 20 =
log 50 =
3
e
=
1.7
10
=
1
1
— + — =
6
7
–2
4
2
8
– 3
5
=
1
—
3
(12
)
=
4
3
8
=
4
81 =
49 –
3
27 =
4! =
P
=
10
3
C
=
5
2
500 25%=
120 400=?%
500+(500 25%)=
400–(400 30%)=
Key operations
j ( H $ 1.5 +
H v 1.5 ) A e
@ > t ( 5
z 7 ) e
i 20 e
l 50 e
@ " 3 e
@ Y 1.7 e
6 @ Z + 7 @
Z e
8 m S 2 - 3 m
4 k 5 A e
12 m 3 m 4
@ Z e
8 1 e
@ * 49 - 4 @ D
81 e
@ q 27 e
4 @ B e
10 @ e 3 e
5 @ c 2 e
500 k 25 @ %
120 z 400 @ %
500 + 25 @ %
400 - 30 @ %
Chapter 3: Scientific Calculations
-2024.984375
Result
20.08553692
0.895879734
2.995732274
1.698970004
20.08553692
50.11872336
0.309523809
6.447419591
512.
4.
3.
24.
720.
10.
125.
30.
625.
280.
35
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