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Casio Fx-991 ES Plus Scientific Calculator - 1st Edition
Calculators
Type
Brand New
Condition
Scientific
Calculator Type
Battery
Power Source
TThis is a Casio FX-991ES Plus scientific calculator 1st Edition
The calculator features a "Natural Textbook Display" that shows mathematical expressions as they appear in textbooks.
It is powered by a two-way system combining solar energy and battery backup.
The device includes 417 functions suitable for advanced mathematics, matrix calculations, and vector operations.
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