Casio ClassWiz, FX-991EX, Scientific Calculator

MFG #: FX-991EX
ATECH #: CASFX991EX
UPC : 079767032593
Manufacturer : CASIO
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Marketing Information

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.


Technical Specifications

  • Product features: Non Programmable; Non Graphing; Number of Functions : 552
  • Product type: Non Programmable; Non Graphing
  • Number of digits: 10 + 2 digits
  • Liquid crystal display: 3-digit comma markers; Natural textbook display; Icon menu; Dot matrix display; High Resolution
  • Key characteristics: Plastic keys
  • Key functions: Negative Sign; Power Off
  • Memory: Variables: 9 (A,B,C.D.E.F.X.Y,M); Variables List; Independent Memory (M / M+ / M-); Answer Memory; Memory Protection; Reset Function
  • Power supply: Solar & Battery; Approximate battery life Main 2 years; Auto Power Off
  • Accessories: Hard Case
  • Display format settings: Number Format: Fix; Number Format: Sci; Number Format: Norm; Engineering Symbol; Engineering Notation; Toggling Calculation Results; Fraction / Decimal Conversion
  • Basic calculation: Basic Calculation; Bracket Calculation; Fraction Calculation; Degree, Minute, Second (Sexagesimal) Calculations; Reciprocal Calculation; Percent Calculation (scientific calculator function); Ratio calculation; Factorial Function; Pi; 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; UNDO; CALC Function; SOLVE Function
  • Basic functions: Basic Mathematical Functions; Number of Functions : 552; Independent Key x; Absolute Value Calculation; Power Function (Square); Power Function (Cube); Power Function; Power Function (Square Root); Trigonometric Function; Inverse Trigonometric Function; Hyperbolic / Inverse Hyperbolic Function; Exponential Calculation; Logarithmic Calculation; Log not base 10; Coordinate Conversion; Combination / Permutation; Prime Factorization; Random Number Generation; Random Integer Generation; Summation
  • Other functions: Spreadsheet; Equation; Inequality Calculations
  • Physics- and chemistry-related functions: Scientific Constants; Metric conversion function
  • Statistical data: List based STAT-data editor
  • Statistical calculation: Statistics Function; Basic Statistics; Intermediate Statistics; Advanced Statistics; Distribution Calculations
  • Permitted in exams: GCSE/AS/A Level
  • Connection to peripheral devices: QR Code
Net Weight: 0.50 lbs USPS OK
UOM: EACH
Product Type: Calculator
Warranty: 1 Year
Country of Origin: CN

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