Technical Information - Casio fx-570AR X User Manual

Important: Removing the battery will cause all of the calculator's memory
contents to be deleted.
1. Press (OFF) to turn off the
calculator.
• To ensure that you do not
accidentally turn on power
while replacing the battery,
slide the hard case onto the
front of the calculator.
2. As shown in the illustration,
remove the cover, remove the
battery, and then load a new
battery with its plus (+) and minus
(−) ends facing correctly.
3. Replace the cover.
4. Initialize the calculator: (RESET)(Initialize All)(Yes).
• Do not skip the above step!

Technical Information

Calculation Range and Precision
Calculation Range
Number of Digits for
Internal Calculation
Precision
Function Calculation Input Ranges and Precision
Functions
sinx
cosx
tanx
x, cos x
-1 -1
sin
x
-1
tan
sinhx, coshx
±1 × 10
15 digits
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.
Input Range
0 ≦ |x| < 9 × 10
Degree
0 ≦ |x| < 157079632.7
Radian
0 ≦ |x| < 1 × 10
Gradian
Degree Same as sinx, except when |x| = (2n−1) × 90.
Same as sinx, except when |x| = (2n−1) ×
Radian
π/2.
Same as sinx, except when |x| = (2n−1) ×
Gradian
100.
0 ≦ |x| ≦ 1
0 ≦ |x| ≦ 9.999999999 × 10
0 ≦ |x| ≦ 230.2585092
Screw
fx-570AR X
-99
to ±9.999999999 × 10
9
10
99
38
Screw Screw
fx-991AR X
99
or 0