Casio fx-991ES PLUS Scientific Calculator

Description

Casio fx-991ES PLUS is a robust and well known scientific calculator. It is a trusted calculator used by students in Cambridge O- level, A-level, Matric, Intermediate exams and at university level. The calculator has a natural textbook display for easy readability and comes with a slide on protection cover.

It can perform 417 functions including

• Fraction calculations
• Combination and permutation
• Statistics (List-based STAT data editor, standard deviation, regression analysis)
• 9 variables
• Table function
• Comes with new slide-on hard case
• Equation calculations
• Integration/differential calculations
• Matrix calculations
• Vector calculations
• Complex number calculations
• CALC function
• SOLVE function
• Base-n calculation