With a high-resolution LCD screen, the fx-991EX allows for more information to be displayed for applications like spreadsheets and 4x4 matrix calculations. This calculator has a comprehensive set of advanced calculations for integration and differential calculus along with vector and inequality calculations. For the middle and high school grades, the calculator has an intuitive, easy-to-learn icon display, Natural Textbook Display™ for 2D templates of fractions and other mathematical formulas, basic spreadsheet functionality, ratio calculations, and statistical functionality.
Need graph and number line representation? The fx-991EX generates a QR code for your expression. Scan the code with any internet-enabled smartphone and immediately see your data plot through ClassPad.net, our free online math platform.
Basic calculation
Basic Calculation Bracket Calculation Fraction Calculation Degree, Minute, Second (Sexagesimal) Calculations Reciprocal Calculation Percent Calculation (scientific calculator function) Ratio calculation Factorial Function π Irrational number calculation Rounding Function
Advanced calculation
Transcendental number: e Base-n calculation Logical Operators Complex number calculation Matrix calculations Vector calculations Differential calculation Integration calculation
Applied calculation.
Multi-statement Command (:)Continuous Calculation Replay Function Multi-replay Function UNDOCALC Function SOLVE Function