Sharp EL-9650, Operation Manual, Page: 286 / 373

276
APPENDIX
5. Calculation Range
Arithmetic Calculation
The results for dividend, multiplicand and operand are:
-1
×
10
100
< x
≤
-1
×
10
-99
, 1
×
10
-99
< x
≤
1
×
10
100
or 0
(valid within the range of display capability)
Please note that results and input numerical values less than 1
×
10
-99
are considered
to be 0.
Function calculation
Function Calculation range Notes
DEG : |x| < 1
×
10
10
RAD : |x| <
×
10
10
sin x GRAD : |x| <
×
10
10
cos x However, the following are excluded for tan x
tan x DEG : |x| =90 (2n–1)
RAD : |x| = (2n–1) “n” is an integer
GRAD : |x| =100 (2n–1)
sin -1 x
-1
≤
x
≤
1
cos -1 x
tan -1 x |x| < 1
×
10 100
sinh x
cosh x -230.2585093
≤
x
≤
230.2585092
tanh x
sinh
–1
x |x| < 1
×
10
50
cosh
–1
x 1
≤
x
≤
1
×
10
50
tanh –1 x |x| < 1
ln x
1
×
10 -99
≤
x < 1
×
10 100
ln x = log
e
x
log x
e X -1
×
10 100 < x
≤
230.2585092 e 2.71828 …
10 X -1
×
10 100 < x < 100
EL-9650-Appendix (265-281) 8/3/00, 5:06 PM 276