Casio CFX-9800G - Page 51

‘2-2 Units of Angular Measurement
“eSee page 28 for full details on specifying the unit of angular measurement.
Once you specify-a unit of angular measurement, it remains in effect uniil you specify
‘a different one. The specification is retained even if you switch power off.
*The following calculations cannot be performed in the BASE Mode.
Example | © - + >. Operation | Display
Result displayed in degrees. - eee
To convert 4.25 rad to ” ; ey
fone) (Fi (Deg) =)
iF) =
degrees. 4.255 243.5070629
47.30582.5F(0@) 4774.20181 47.3° + 82.5rad = 4774,20181°
2-3 Trigonometric and Inverse Trigonometric Functions
#Be sure to set the unit of angular measurement before. performing | {trigonometric func-
tion and inverse trigénémetric function: calculations:’ Cee
©The following calculations cannot be performed in the BASE Mode. “*~"””
3 Example {2-288 foo Operation * Display
sin 63°52’41 ” =0,897859012: io (FD(Deg)Ba | > me
oh) 63 G5) a) F_] (DMS)
. Eile? )52E (e+ »)41 oe Se
: SS Eo» 0) (@] 0.897859012
cos (z rad) =0.5 Gea FR (Rad) ES
‘ a . SORE 3De & ae 0:5
tan(—-35gra)
=
-0.6128007881,
_
GA
BOES)(Gra)
ea
:
.
; ceeee et Ee (@)3569| —0.6128007881
2-8in 45° x cos 65° “y ~ ww Al (Deg)
+ =0,5976724775 26945 e365 @.5976724775
T
L Can be omitted.
1&4) 30E
1.732050808
—66—
2-4 Logarithmic and Exponential Functions -
*The following calculations cannot be performed in the BASE*Mode:: *
Example : Operation Display
log 1.23 (1og101.23) = : fa}1.2363 |. 0:08990511144
8.990511144x 1072" |=
In90 (log90) = 4.49980967 TH) 90 Ge) 4.49980967
10° 16.98243652 a) 1.23E 16.98243652
(To obtain the antilogarithm of common logarithm 1.23)
e*5 = 90.0171313 G34. 5 GE 90.0171313
{To obtain the antilogarithm of natural logarithm 4.5) Lae
10% e744 1.261079 Ameo. ae 5
= 422.5878667 1.26260 2.363 422.5878667
(-3)*=(-3)x(~3)x(-3)x OBsnw4E4 81
(—3)=81
—3*= -(8x3x3x3)= -81 B3n4e9 -81
5.679 = 52.58143837 5.602.363) 52.58143837
1
N23 (= 1237) ‘
= 1.988647795 7S] 123 Ee) 1.988647795
—67— A340087-13