Calculation Ranges, Number of
Digits, and Precision
The calculation range, number of digits used for internal calculation, and
calculation precision depend on the type of calculation you are performing.
Calculation Range and Precision
Calculation Range ±1 × 10
-99
to ±9.999999999 × 10
99
or 0
Number of Digits for
Internal Calculation
23 digits
Precision
In general, ±1 at the 10th digit for a single
calculation. Precision for exponential
display is ±1 at the least significant digit.
Errors are cumulative in the case of
consecutive calculations.
Function Calculation Input Ranges and Precision
Functions Input Range
sinx
cosx
Degree
0 ≤ |x| < 9 × 10
9
Radian
0 ≤ |x| < 157079632.7
Gradian
0 ≤ |x| < 1 × 10
10
tanx
Degree
Same as sinx, except when
|x| = (2n - 1) × 90.
Radian
Same as sinx, except when
|x| = (2n - 1) × π/2.
Gradian
Same as sinx, except when
|x|
= (2n - 1) × 100.
sin
-1
x, cos
-1
x 0 ≤ |x| ≤ 1
tan
-1
x 0 ≤ |x| ≤ 9.999999999 × 10
99
sinhx, coshx 0 ≤ |x| ≤ 230.2585092
89
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