Casio FX-991EX Engineering/Scientific Calculator

The Casio FX-991EX Scientific Calculator is a key stage 3, 10-Digit(x2 lines) calculator that is ideal for ages 11-16+. It features a twin line 10+2 digit natural textbook display, 403 functions, multi-replay, Matrix/vector, S-VPAM logic. It comes in a slide-on hard plastic case. It can be used for regression analysis, calculus (numerical integration, numerical derivative), physical constants, metric conversions, equations (polynomial, simultaneous).

• 10-Digit Scientific Calculator
• Ideal for ages 11-16+, can be used for regression analysis, calculus (numerical integration, numerical derivative), physical constants, metric conversions, equations (polynomial, simultaneous)
• Twin line 10+2 digit natural textbook display, 403 functions, multi-replay, Matrix/vector, S-VPAM logic
• Solar powered when light is sufficient and battery powered when light is dim
• Comes in a slide-on hard plastic case