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Casio FX-991 ZA Plus Scientific Calculator – Calculator Shop
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Calculator Shop / Casio FX-991 ZA Plus Scientific Calculator

Casio FX-991 ZA Plus Scientific Calculator


Developed in collaboration with SA educators for the South African Curriculum.

With 403 functions and the revolutionary Natural Textbook Display you are able to enter expressions as seen in your text books.

The FX991ES Plus is both solar and battery powered and is equipped with 40 scientific constants.


SKU: FX991ZA Categories: ,


Natural Textbook Display.

433 Functions
Q1, Med, Q3 calculations in statistics
Dual table mode – f(x) & g(x)
Min / Max in EQN MODE
No Solution / infinite solutions in EQN MODE
Previous answer key
n-th Power of a complex number
Distribution calculation mode
Prime factorisation
Auto power off – 10min / 60min

Additional information

Dimensions 127 x 79 x 15 mm


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