CASIO FX-991ES, Scientific Calculator, Non-Programmable for Students and Business Purpose
 
FEATURES AND SPECIFICATIONS:
Brand: Casio
Model: FX-991MS
417 Functions
Natural Textbook Display
Natural VPAM
Display Expression Same as Textbook
Dual Power Supply
Solar & Battery
Equation Solver (CALC, SOLVE)
Differentiation and Numerical Integration
Multi-Replay Functions
40 Scientific Constants and 40 Metric Conversions
Standard Decimal Conversion
Matrix and Vector Calculations
Complex Number Calculations
Comes with Slide-on Hard Case
Made in Thailand