Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test… by Casio

(1042 customer reviews)

$11.99

$11.99

Top Pick — discover the Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test… by Casio, built for performance and designed for life in the United States.

About Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test…

  • CLEAR 2-LINE DISPLAY – Dual-line, 10-digit LCD lets you view expressions and results simultaneously—ideal for learning and reduces input errors.
  • SCIENTIFIC FUNCTIONS FOR SCHOOL & STUDY – Covers trigonometric, inverse/hyperbolic functions, factorials, logarithms, and probability simulations, ideal of high school students.
  • STATISTICAL CALCULATIONS – Supports two-variable statistics, standard deviation, and regression analysis for math and science courses.
  • FRACTION & VARIABLE MEMORY – Easily convert between improper fractions, mixed numbers, and decimals; store up to 9 variables plus last answer recall.
  • SLIM, DURABLE DESIGN – Includes a hard protective case and ergonomic layout, making it a perfect companion for school, exams, or everyday math.

The Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test… by Casio combines reliability, modern design, and user-focused engineering. Perfect for everyday use, it delivers trusted results for American customers who value innovation.

Specification: Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test… by Casio

Product Dimensions

3.2 x 0.75 x 6.25 inches

Item Weight

6.4 ounces

Item model number

FX-300MSPLUS2

Batteries

1 LR44 batteries required. (included)

Is Discontinued By Manufacturer

No

Date First Available

February 8, 2019

Manufacturer

Casio

Photos: Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test… by Casio

1042 reviews for Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test… by Casio

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  1. J. Gunderssen

    My son is going to 7th grade, and his math teacher recommended the Casio fx-300MS for his class. It is a great and affordable scientific calculator with useful features. It comes in a nice box. One thing I like about this calculator is that it shows what you have put in the input section. The screen could have been a little bigger, but that is totally fine. Overall I recommend this calculator to anyone in middle school!

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  2. LM

    For the price, this is a great calculator. It has all the standard functions I need as an accounting student. The layout of the buttons is slightly clunky, it’s hard to explain. But I appreciate that there is a “Delete” button to undo a single character instead of having to completely clear and then re-type an entire equation when I make a mistake.

    I wish the screen were easier to see from all angles. From straight-above the calculator, the screen looks clear and easy to read. But if I have the calculator on my desk as I use it, I generally don’t have my head positioned immediately above it. So I see it at an angle, which makes the screen much harder to read. A brighter background would help.

    Still, it’s a good calculator for the price!

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  3. John

    This is a fantastic calculator with the usual Casio layout. I can read the display clearly in any lighting conditions (well, except for a very dark room), making it excellent for use outdoors or in a dim room. Numbers aren’t as large as on most basic calculators, but their boldness and excellent contrast ensures they are just as legible.

    If your trusty fx-115MS finally died on you, this is as close as it gets to a direct replacement. Do NOT spring for the current fx-115ES unless you work in a well-lit office environment.

    I mainly use my calculator to work out angles and dimensions for woodworking and 3D modeling (at home) and machining (at work). I don’t know how sturdy or dust-proof it is, but I absolutely trust it over my fragile, expensive smartphone to have in a work environment. Or any environment. I can’t stand touch screens.

    Speaking of which…you may struggle to use this calculator with thick leather gloves, but with skinnier mechanic-type gloves you shouldn’t have any issues. Spacing for the main number keys is 1/2″ x 7/16″ (13mm x 11mm) and spacing for the smaller keys in the upper block is 7/16″ x 3/8″ (11mm x 9mm). Definitely not as big as a basic calculator’s keypad, but it’s been perfectly fine for me.

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  4. Stephen D. Wall

    unbelievably cheap, nifty display format, easy to use.

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  5. Connie Ames

    Works perfectly! I needed a non-graphing calculator for school, and I’m going to be honest — I looked for the cheapest one possible. But this one has worked great! I would choose this one again if I were to go back in time.

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  6. Claudine

    This is a good choice. One thing I like about this calculator it has protection case, display size, instruction manual, display quality and good functionality. It shows what you have put in the input and the looks.

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  7. LM

    This was a good choice. It has enough buttons to have most of the functions you would need on a scientific calculator but is still small enough to fit in a side pocket of the laptop case or something. Has a delete button, which saves you from having to clear the screen and re-type your whole formula if you press one wrong button.

    EDIT: Found the ability to change contrast, so my previous complaint about not being able to see it from any angle was my fault.

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  8. Gazi

    The media could not be loaded.

    Good calculator and easy to use !

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    Last updated on October 19, 2025 5:28 am Details
    Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test… by Casio
    Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test… by Casio

    $11.99

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