BrandList

Casio FX-991ES Plus Scientific Calculator

  • Easy-to-read Natural Textbook Display for clarity.
  • 417 essential scientific functions for advanced calculations.
  • Stylish design with a practical hard case included.
  • Colour-coded keypad for easy function differentiation.
  • Non-programmable calculator for straightforward use.
  • Ideal for students and professionals alike.
  • Compact and portable for convenience on-the-go.

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Best Alternatives and Similar Products for Casio FX-991ES Plus Scientific Calculator

The best Scientific Calculators includes Texas Instruments TI-30XIIS Scientific Calculator, Texas Instruments TI-30XS Scientific Calculator, Texas Instruments TI-36X Pro Calculator and many others as mentioned below.

1

Texas Instruments TI-30XIIS Scientific Calculator

Best Product
  • Professional grade scientific calculator for various calculations.
  • 2-line display shows entries and results simultaneously.
  • Handles one and two-variable statistical calculations easily.
  • Three angle modes: degrees, radians, and grads.
  • Supports scientific and engineering notation modes.
  • Solar and battery powered for reliability.
  • Durable design with black and blue accents.
  • Price Range: $8.49
  • Color: Black

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    Alternatives

    2

    Texas Instruments TI-30XS Scientific Calculator

    Best Product
  • MultiView feature for simultaneous calculations.
  • Math Print mode for clear notation display.
  • Toggle key for easy fraction and decimal conversions.
  • Scroll through previous calculations effortlessly.
  • Investigate patterns in calculation results.
  • Explore x, y tables for functions.
  • Ideal for students and professionals alike.
  • Price Range: $17.39
  • Color: Blue and White

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    Alternatives

    3

    Texas Instruments TI-36X Pro Calculator

    Best Product
  • MultiView display shows multiple calculations simultaneously.
  • Ideal for high school and college curricula.
  • MathPrint displays expressions like textbooks.
  • Converts fractions, decimals, and terms easily.
  • Supports degrees/radians and various number formats.
  • Compact design for easy portability.
  • Durable construction for long-lasting use.
  • Price Range: $20.73
  • Color: Black

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    Alternatives

    4

    Texas Instruments TI-30Xa Calculator

  • 10-digit display for versatile calculations.
  • Ideal for general math and science courses.
  • Performs trigonometric and logarithmic functions easily.
  • Handles fractions in traditional format effortlessly.
  • Battery-powered for portability and convenience.
  • Includes protective slide case for durability.
  • 1-variable statistics for mean and standard deviation.
  • Price Range: $9.99
  • Color: Gray

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    Alternatives

    5

    Casio fx-115ES Plus Calculator (2nd Edition)

  • 16-digit, 4-line LCD for clear display.
  • Natural Textbook Display for easy comprehension.
  • Over 280 advanced scientific functions available.
  • Multi-replay function for error checking.
  • Supports complex equations and calculations.
  • Solar Plus technology with battery backup.
  • Ideal for students in math and science.
  • Price Range: $17.38
  • Color: White

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    Alternatives

    6

    Texas Instruments TI-34 MultiView Calculator

  • 4-line display for easy scrolling and editing.
  • Enhancements over TI-34II Explorer functionality.
  • MATHPRINT mode for intuitive math notation input.
  • Review previous entries to find patterns.
  • Easy-to-navigate pull-down menus for convenience.
  • Centralized mode settings for quick adjustments.
  • Displays proper scientific notation with superscripts.
  • Price Range: $21.99
  • Color: Blue, White

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    Alternatives

    7

    Casio fx-300ES Plus Calculator (262 Functions)

  • NATURAL TEXTBOOK DISPLAY℠ for easy equation input.
  • 262 built-in functions for comprehensive math support.
  • Ideal for middle and high school students.
  • Two-function table for calculating values easily.
  • Random number generator for added computation variety.
  • Solar power with battery backup for reliability.
  • Price Range: $9.59
  • Color: Black

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    Alternatives

    8

    Calculated Industries Construction Master Pro Calculator 4065

  • Accurate solutions for construction math tasks.
  • Supports multiple measurement formats effortlessly.
  • Time-saving functions for quick calculations.
  • Avoids material waste with precise estimations.
  • Ideal for contractors, builders, and remodelers.
  • Built-in functions for complex angles and layouts.
  • Compact design for easy portability on-site.
  • Price Range: $54.95
  • Color: Silver

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    9

    CATIGA CS229 Scientific Calculator with Graphing

  • Graphing capabilities for visualizing equations.
  • Large screen displays diagrams and equations simultaneously.
  • Comfortable operation with 7 x 3.3 size.
  • Three operating modes for versatile calculations.
  • Over 280 functions for diverse mathematical needs.
  • Ideal for various math and science courses.
  • Limited 365-day warranty for peace of mind.
  • Price Range: $39.99
  • Color: black

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    Alternatives

    10

    ROATEE 991ES Plus Scientific Calculator

  • Multifunctional scientific calculator with 417 functions.
  • 4-line display for simultaneous calculations.
  • Includes erasable LCD writing tablet feature.
  • Dual power: solar panel and replaceable battery.
  • Durable, anti-drop body design for portability.
  • Ideal for school, business, and various subjects.
  • Comes with stylus pen and exquisite packaging.
  • Price Range: $32.98
  • Color: 991 ES

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    11

    iPepul Pink Scientific Calculator (991ES Plus)

  • 417 advanced calculation functions for complex math.
  • Four-line large screen for easy reading.
  • Natural display for intuitive input and output.
  • Dual power: solar panel and durable battery.
  • Multi-functional keyboard for efficient calculations.
  • Ideal gift for students and professionals.
  • Perfect for school, engineering, and science use.
  • Price Range: $15.99
  • Color: PINK

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    12

    CATIGA Scientific Calculator with Graphic Functions

  • Graphical display for simultaneous equations and graphs.
  • Three operating modes for versatile calculations.
  • Over 280 functions for advanced mathematical needs.
  • Ideal for high school and college courses.
  • Large screen ensures comfortable and clear viewing.
  • Reset button for quick troubleshooting.
  • 365-day limited warranty for peace of mind.
  • Price Range: $39.99
  • Color: Black

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    Alternatives

    13

    Casio fx-260 Solar II Scientific Calculator

  • Compact and lightweight design for easy portability.
  • Large 10-digit display for clear visibility.
  • Ideal for middle and high school students.
  • Advanced math options for comprehensive calculations.
  • Supports fractions for easy rational number input.
  • Solar powered with battery back-up for reliability.
  • Perfect for algebra, geometry, and trigonometry studies.
  • Price Range: $9.79
  • Color: Black

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    Alternatives

    14

    Casio FX-991CW Advanced Scientific Calculator

  • High resolution display for enhanced data visibility.
  • Natural textbook display for easy reading.
  • Supports 552 functions for versatile calculations.
  • Solve simultaneous and polynomial equations effortlessly.
  • Solar powered with reliable battery backup.
  • Rounded keys for comfortable input experience.
  • Four-tone display for clear operational feedback.
  • Price Range: $19.99
  • Color: Black

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    15

    Casio fx-300ES Plus Scientific Calculator (Pink)

  • NATURAL TEXTBOOK DISPLAY℠ for easy equation interpretation.
  • 262 built-in functions for comprehensive math support.
  • Ideal for middle and high school students.
  • Two-function table for calculating values easily.
  • Random number generator for added computation variety.
  • Solar power with battery backup for reliability.
  • Compact and lightweight design for portability.
  • Price Range: $11.49
  • Color: Pink

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