Casio FX-991 ZA Plus Scientific Calculator

Natural Textbook Display.

Features:
– 433 Functions
– Non-Programmable
– 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