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Casio FX-991 ZA PLUS Advanced Scientific Calculator

An advanced, non-programmable, Natural Textbook Display scientific calculator. South African curriculum approved. Used by educators & learners from Secondary school onwards.

Features

452 functions
Natural Textbook 2-line Display
Inequality MODE
Ratio MODE
GCD (HCF) / LCM
Quotient & Remainder
Equation MODE
Complex number MODE
Matrix MODE
Base-n MODE
Distribution Calculation MODE
SOLVE function
CALC function
Q1, Med, Q3 calculations in statistics
Dual Table MODE (2 functions)
Integration & Differentiation
Sigma calculations
Prime Factorisation
Previous Answer & Answer functions
Auto Power Off (10min / 60min)