User`s guide

E-50
k Input Ranges
Internal digits: 12
Accuracy*: As a rule, accuracy is ±1 at the 10th digit.
Functions Input Range
DEG 0 x 4.49999999910
10
sinx RAD 0 x 785398163.3
GRA 0 x 4.99999999910
10
DEG 0 x 4.50000000810
10
cosx RAD 0 x 785398164.9
GRA 0 x 5.00000000910
10
DEG Same as sinx, except when x= (2n-1)  90.
tanx RAD Same as sinx, except when x= (2n-1)  π/2.
GRA Same as sinx, except when x= (2n-1)  100.
sin
–1
x
0 x 1
cos
–1
x
tan
–1
x 0 x 9.99999999910
99
sinhx
0 x 230.2585092
coshx
sinh
–1
x 0 x 4.99999999910
99
cosh
–1
x 1 x 4.99999999910
99
tanhx 0 x 9.99999999910
99
tanh
–1
x 0 x 9.99999999910
–1
logx/lnx 0 x 9.99999999910
99
10
x
–9.99999999910
99
 x  99.99999999
e
x
–9.99999999910
99
 x  230.2585092
x 0 x  1  10
100
x
2
x 1 10
50
1/x x 1 10
100
; x G 0
3
x x 1 10
100