Casio Classwiz FX-991EX Scientific Calculator

This Calculator has higher resolution to increase the amount of information to be displayed and super-fast calculations for high-stakes testing or for performing the most advanced mathematics. Base-n Calculations. Table Function for f(x) and g(x). Natural Textbook Displays Fractions and Equations Exactly as they Appear in your Textbook. 2-Function Table of Values [f(x), g(x)]. Logarithm of Any Base. Coordinate Transformation. Review/Edit Previous Entries. Complex Number Calculations. Converts Between Standard Form and a Decimal Approximation. Inequality Calculations & Ratio Calculations. Numeric Integration/Differentiation. Simultaneous and Polynomial Solver. Matrix and Vector Calculations. Spreadsheet Calculations. Prime Factorization. Variable and Statistical Lists. 47 Built-in Constants. Verify Computations. Linear, Quadratic, Logarithmic, Exponential, Power and Inverse Regressions. Random Integer Generator. Unique Spreadsheet Functionality. QR Code Generation for Graphical Representation. Simplify Fractions and Roots. Equation Calculations. Summation Notation. GCD/LCM. 40+ Unit Conversions. Integer Division with Remainder. Combinations and Permutations. 9 Constant Memory Locations. High-Performance Scientific Calculator.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.