Casio fx-991W Calculator User Manual


 
E-14
Scientific Function Calculations
•Use the COMP mode for scientific function calculations.
= 3.14159265359
k Trigonometric/Inverse Trigonometric
Functions
Example 1: sin63°52o41ǥ
q q q 1
R
S 63 I 52 I 41 I =
Example 2: cos ( rad)
q q q 2
T
W R A x \ 3 T =
Example 3: cos
Ҁ1
҃ rad
q q q 2
T
W A V R L 2 \ 2 T =
g \ A x =
Example 4: tan
Ҁ1
0.741
q q q 1
R
A g 0.741 =
k Hyperbolic/Inverse Hyperbolic
Functions
Example 1: sinh 3.6
M S 3.6 =
Example 2: sinh
Ҁ1
30
M A j 30 =
0.897859012
00
0.5
00
R
T
0.785398163
00
0.25
00
36.53844577
00
T
R
π
3
2
2
π
4
4.094622224
00
18.28545536
00