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Appendix
Specifications
Model:
Display type:
Dot matrix characters:
Number of display digits:
Input ranges:
Number of internal
calculation digits:
Pending operations:
Calculation functions:
Statistical calculations:
Equation solvers:
Programming function:
Option menu:
Memory capacity:
Power source:
Auto power off:
Power consumption:
Operating temperature:
Operating time:
128
EL-5230/5250
[14 characters and 2 exponents] × 3 rows
5 × 7 dots /character
10-digit mantissa + 2-digit exponent
±10
-99
to ±9.999999999 × 10
(up to 10-digit mantissa)
14-digit mantissa
24 calculations 10 numeric values (5 numeric
values in the CPLX modes)
Calculations (four basic arithmetic
operations, calculations with parentheses,
memory calculations, function calculations,
etc.), differential/integral functions, binary/
pental/octal/decimal/hexadecimal operations,
solver functions, simulation calculations,
complex number calculations, etc.
One-variable statistics, two-variable statistics,
normal probability calculations, etc.
Simultaneous linear equations, and
quadratic/cubic equation solvers.
New programming, running a program, and
editing a program and deleting a program.
LCD contrast, memory check and data
deletion
[EL-5250] 4,096 bytes (user area)
[EL-5230] 1,280 bytes (user area)
3 V
(DC):
Lithium battery (CR 2032) × 2
After approximately 10 minutes
0.002 W
0°C – 40°C (32°F – 104°F)
Approximately 1,800 hours* (at 25°C (77°F),
assuming each hour consists of 5 minutes of
continuous operation and 55 minutes of
display time).
99
and 0.
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