# Scientific Functions; Trigonometric And Inverse Trigonometric Functions - HP 10s+ User Manual

Scientific calculator.

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## Scientific Functions

To perform a scientific calculation, press
enter COMP mode.
COMP........................................................
• Some scientific calculations may take longer than
other types of calculations.
• You can start the next calculation after the after the
calculation result displays on screen.
π
= 3.14159265359
Trigonometric and Inverse Trigonometric
Functions
• To change the current angle units (degrees,
radians, or grads), press
following screen appears.
• Now press the number key (
corresponding to the angle unit you want to use.
(Note that 90
• Example 1: sin12
⋅⋅⋅ ⋅⋅⋅
• Example 2: cos(
⋅⋅⋅ ⋅⋅⋅
• Example 3: cos
⋅⋅⋅ ⋅⋅⋅

• Example 4: tan
⋅⋅⋅ ⋅⋅⋅
Deg
1
π
°
-- -
=
radians = 100 grads)
2
°
34' 56" = 0.217840422
(Deg)
π
-- -
rad) = 0.5
3
(Rad)
2
------ -
-1
2
(Rad)
2
-1
0.789 = 38.27343992
(Deg)
repeatedly until the
Rad
2
12
    
π
=0.25
(rad)(=
2

16
 
Gra
3
,
, or
34
56
3
 
π
-- -
rad
)
(
)
4
 
0.789
to
)
 

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