fx-991ES PLUS

fx-991ES PLUS

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fx-991ES PLUS

Number of Functions : 417
Number of Functions : 417
Natural textbook display
Natural textbook display
Display expression same as textbook.
Solar & Battery
Solar & Battery
Solar powered when light is sufficient, battery powered when light is insufficient.

Features

New functions

  • New equation mode
  • Random integers

Standard functions

  • Fraction calculations
  • Combination and permutation
  • Statistics (List-based STAT data editor, standard deviation, regression analysis)
  • 9 variables
  • Table function
  • Comes with new slide-on hard case

fx-82ES PLUS/85ES PLUS/350ES PLUS functions, in addition to:

  • Equation calculations
  • Integration/differential calculations
  • Matrix calculations
  • Vector calculations
  • Complex number calculations
  • CALC function
  • SOLVE function
  • Base- n calculation

Integration

Integration

Complex number calculations

Complex number calculations

Differential

Differential

Vector

Vector

Matrix operations

Matrix operations

Learn More  

Specifications

  • Non Programmable
  • Number of Functions : 417
    Number of Functions : 417
  • Natural textbook display
    Natural textbook display Display expression same as textbook.
  • DIGIT
    10 + 2 digits 10-digit mantissa + 2-digit exponential display.
  • Dot matrix display
    Dot matrix display High-resolution screen provides beautiful looking graphs every time.
  • Multi-replay
    Multi-replay Quick and easy recall of previously executed formulas for editing and re-execution.
  • Solar & Battery
    Solar & Battery Solar powered when light is sufficient, battery powered when light is insufficient.
  • Plastic keys
    Plastic keys Designed and engineered for easy operation.
  • Basic Mathematical Functions Trigonometric, Exponential logarithmic, etc.
  • Table Generation You can create a numerical table based on that expression by registering a function expression. In addition, graph functions can be represented by graphs.
  • Base-n calculation Binary/Octal/Hexadecimal
  • Scientific Constants You can use constant symbols used in physics, science classes.
  • Vector
  • Basic Statistics Standard statistics functions such as Mean, SUM, Standard Deviation, and Regression
  • List based STAT-data editor
    List based STAT-data editor Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data.
  • Differentiation
  • Non Graphing
  • Matrix
  • Equation
  • Integration
  • Metric conversion function
    Metric conversion function You can convert a number in one unit to a number in a different unit.
  • Complex number calculation

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