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•Calculations are performed in sequence according to
“Order of Operations.” Commands and values are de-
leted from the stack as the calculation is performed.
k Input Ranges
Internal digits: 12
Accuracy*: As a rule, accuracy is ±1 at the 10th digit.
Functions Input Range
sinx DEG 0Ϲ ȊxȊ Ϲ4.499999999҂
10
10
RAD 0Ϲ ȊxȊ Ϲ785398163.3
GRA 0Ϲ ȊxȊ Ϲ4.999999999҂
10
10
cosx DEG 0Ϲ ȊxȊ Ϲ4.500000008҂
10
10
RAD 0Ϲ ȊxȊ Ϲ785398164.9
GRA 0Ϲ ȊxȊ Ϲ5.000000009҂
10
10
tanx DEG Same as sinx, except when ȊxȊ= (2n-1)҂90.
RAD Same as sinx, except whenȊxȊ= (2n-1)҂π/2.
GRA Same as sinx, except whenȊxȊ= (2n-1)҂100.
sin
–1
x
0Ϲ ȊxȊ Ϲ1
cos
–1
x
tan
–1
x 0Ϲ ȊxȊ Ϲ9.999999999҂
10
99
sinhx
0Ϲ ȊxȊ Ϲ230.2585092
coshx
sinh
–1
x 0Ϲ ȊxȊ Ϲ4.999999999҂10
99
cosh
–1
x 1Ϲ x Ϲ4.999999999҂10
99
tanhx 0Ϲ ȊxȊ Ϲ9.999999999҂10
99
tanh
–1
x 0Ϲ ȊxȊ Ϲ9.999999999҂10
–1
logx/lnx 0 x Ϲ9.999999999҂10
99
10
x
–9.999999999҂
10
99
Ϲ x Ϲ 99.99999999
e
x
–9.999999999҂
10
99
Ϲ x Ϲ 230.2585092