Original Casio Fx 991es plus bdOriginal Casio Fx 991es plus bd

Original Casio Fx 991es PLUS

৳ 1,550.00

  • Casio FX-991ES Plus
  • Scientific Calculator (Non Programmable)
  • Natural Textbook Dot Matrix Display
  • 10+2 Digits Display
  • 417 Functions
  • Solar & Battery 🔋
  • New equation mode
  • 3 Years Warranty
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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



Complex number calculations

Complex number calculations





Matrix operations

Matrix operations


  • Non Programmable

  • Number of Functions : 417
    Number of Functions : 417

  • Natural textbook display
    Natural textbook displayDisplay expression same as textbook.

    10 + 2 digits10-digit mantissa + 2-digit exponential display.

  • Dot matrix display
    Dot matrix displayHigh-resolution screen provides beautiful looking graphs every time.

  • Multi-replay
    Multi-replayQuick and easy recall of previously executed formulas for editing and re-execution.

  • Solar & Battery
    Solar & BatterySolar powered when light is sufficient, battery powered when light is insufficient.

  • Plastic keys
    Plastic keysDesigned and engineered for easy operation.

  • Basic Mathematical FunctionsTrigonometric, Exponential logarithmic, etc.

  • Table GenerationYou 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 calculationBinary/Octal/Hexadecimal

  • Scientific ConstantsYou can use constant symbols used in physics, science classes.

  • Vector

  • Basic StatisticsStandard statistics functions such as Mean, SUM, Standard Deviation, and Regression

  • List based STAT-data editor
    List based STAT-data editorViewing 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 functionYou can convert a number in one unit to a number in a different unit.

  • Complex number calculation

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