CASIO FX-991ZA PLUS II Calculator - WhiteAn 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
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