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