Casio FX991MS Scientific Calculator

It is 2-line Display Scientific Calculator with 401 Functions

• S-V.P.A.M. (Super Visually Perfect Algebraic Method): All the features of the existing V.P.A.M. series plus a new 2-line display and a useful Replay function. All this helps to make mathematics easier to use and easier to understand than ever before
• Multi-replay: Quick and easy recall of previously executed formulas for editing and re-execution
• 10 + 2 digits: 10-digit mantissa + 2-digit exponential display.
• Solves Differentiation, Integration, Statistics, Regression, Matrix, Vector etc
• Colour coded keypad for easy key differentiation
• Comes with slide-on hard case