Technical Data; Calculation Ranges - Sharp EL-5230 Operation Manual

Programmable scientific calculator
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Appendix

Technical Data

Calculation ranges

• Within the ranges specified, the calculator is accurate to ±1 of the
least significant digit of the mantissa. However, in continuous
calculations the calculation error increases due to the
accumulation of each successive calculation error. (This is the
same for y
performed internally.)
• Furthermore, the calculation error will accumulate and become
larger in the vicinity of inflection points and singular points of
functions, and in programmed repetitive calculations.
• Calculation ranges
±10
-99
to ±9.999999999 × 10
If the absolute value of an entry or a final or intermediate result of a
calculation is less than 10
and on the display.
Function
sin x, cos x,
tan x
–1
x , cos
–1
sin
x
tan
–1
3
x,
x
In x , log x
y x
__
x y
124
x
x
, n !, e
x
, In etc., where continuous calculations are
,
-99
, the value is considered to be 0 in calculations
DEG:
RAD:
GRAD: | x | < —– × 10
| x | ≤ 1
| x | < 10
–99
10
• y > 0: –10
• y = 0: 0 < x < 10
• y < 0: x = n
• y > 0: –10
• y = 0: 0 < x < 10
• y < 0: x = 2n–1
99
and 0.
Dynamic range
10
| x | < 10
(tan x : | x |
π
| x | < —– × 10
180
(tan x : | x |
10
9
(tan x : | x |
100
≤ x < 10
100
100
< x log y < 100
(0 < l x l < 1: — = 2n–1, x
100
–10
< x log | y | < 100
1
100
< — log y < 100 (x
x
(0 < | x | < 1 : — = n, x
1
100
–10
< — log | y | < 100
x
=
90 (2n–1))*
/
10
π
=
— (2n–1))*
/
2
10
=
100 (2n–1))*
/
100
1
x
100
1
= 0)*,
/
x
= 0)*,
/
= 0)
/

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