Trigonometry Calculations
Before using the trigonometric functions (except hyperbolic
calculations), select the appropriate angle unit
(Deg/Rad/Gra) by pressing .
90º = Radians = 100 Gradients.
Hyperbolic (sinh/ cosh/ tanh), Inverse Hyperbolic
(sinh
-1
/cosh
-1
/tanh
-1
) functions
Pressing enter sub-hyperbolic menu.
sinh2.5 – cosh 2.5
= -0.08208499862
Cosh
-1
45
= 4.499686191
Display
Key in operation
Deg
Rad
Gra
Units of 15º
Multiples of radians
Multiples of grads
Angle Value Input
Angle Unit
Setting
Input Value Range
for √ form result
1
12
50
3
Degree Mode
sin 60 = 0.8660254038
=Cosec 45º =
1.414213562
Display
Key in operation
Example
1
Sin45
o
D
Example
23
Shift
MthIO & MathO MODE :
Shift
MthIO & MathO MODE :
Shift
Shift