28
CHAPTER
2 Manual Operations
Example:
cos
-
1
Jf-
0.
7853981634
rad
Operation:
Example:
tan(-35gra)
= -0.6128007881
~(§)
(Angle unit: grads (GRA))
8f,ii;EJ3
5§)
~t-.:.
II
t·
..::.1:1to.:.
1-.:.
I 1
:1
1:1
I
·-1
·•
1
.-
..
-.
·-1
,-1
,
.-
••
-.
1
• Hyperbolic Functions (sinh, cosh, tanh) and Inverse Hyperbolic Functions
(sinh-
1
,
cosh-
1
,
tanh-
1
)
In the
case
of
these functions, press
8~
and then press the
same
keys
as
in the
case
of
trigonometric and inverse trigonometric functions.
Example:
sinh(-1)
=
-2.301298902
Operation:
~~~~~c:SEl~602~ci~
Example:
cosh
-
1
1 . 5 = 0.
9624236501
Operation:
I -
·~·
'
i:-1
1
·~
·
·::i
Co
q
i:-1
·~
·
.._a ·-'
fo_
"-
..
•
'-'
..
•
,._
,,_
I '
7
1
·::i
.•
·-:
·4
·-:•":!'
.•
c::'
'."
1
'-
a
••
t•
.:.. .:..
·-'
t•
._I
f_1
• Logarithmic Functions (log, In), Exponential Function (ex) and Power Func-
tion
(x")
Example:
logf .23 = log,, 1.23 = 0.08990511144
Operation:
8~
1 • 2
3§)
Io.
0:::99os11144
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