Casio FX-991ZA Plus II Calculator

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

• 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)