Why does the calculator not display decimal answers and only fractions, and why won't it square numbers that aren't perfect squares

Hello, the sd key will change fractions to decimals and back if needed. The calculator will simplify square roots that are not perfect squares and if you need a decimal answer then press the sd key and if will convert it to a decimal.

Is there a comma separator - thousands function for millions and billions,etc. for example 50,000,000,000?

This is not a business calculator - not sure why you'd want a comma separator when you'd be using scientific notation: 5x10^10 for example.

How is this different than the fx-300ESPLUS2 ?

I am not familiar with the fx-300ESPLU52. You might be able to go to the Casio website to get information on how they are different. This one (the fx-115) has many features which I have not yet used.

can it used in SAT exam?

I'm a retired hs teacher. I've bought this model two times for my own kids because it met their needs and can be used during standardized exams such as the SAT.

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Casio fx-115ESPLUS2 2nd Edition, Advanced Scientific Calculator

Casio fx-115ESPLUS2 2nd Edition, Advanced Scientific Calculator

Product ID: 261098426

Details

Brand
Casio
Calculator Type
Colour
White
Power source
Solar Powered
Screen size
6.5

📐Natural Textbook Display for clear, intuitive reading

🔋Solar-powered for uninterrupted, eco-friendly use

🧮40 scientific constants & advanced matrix/vector functions

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€ 44.01

Duties & taxes included

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Description

🧠 Elevate your calculations—because precision is the new power move.

TRUSTED BY THOUSANDS - Join over 7,000 users who rate it 4.8 stars for reliability and sleek design.
ECO SMART SOLAR POWER - Stay powered up during long study sessions without worrying about battery drain.
ADVANCED SCIENTIFIC TOOLKIT - From calculus to complex numbers, tackle every problem with 40 built-in constants and matrix/vector calculations.
DURABLE PROTECTIVE HARD CASE - Keep your calculator pristine and ready for action, whether in your backpack or on your desk.
CRYSTAL CLEAR NATURAL TEXTBOOK DISPLAY - View complex equations exactly as in textbooks—no guesswork, just clarity.

The Casio fx-115ESPLUS2 2nd Edition is a top-tier scientific calculator featuring a Natural Textbook Display for easy reading, solar-powered operation for consistent use, and advanced functions including matrix, vector, and complex number calculations. Perfect for students and professionals tackling algebra, calculus, statistics, and engineering, it combines durability with cutting-edge technology in a sleek, portable design.

Specifications

ASIN	B086Z79HXS
Best Sellers Rank	#11,148 in Office Products ( See Top 100 in Office Products ) #41 in Scientific Calculators
Brand	Casio
Calculator Type	Engineering/Scientific
Color	White
Colour	White
Customer Reviews	4.8 out of 5 stars 7,172 Reviews
Display Type	LCD
Enclosure Material	Plastic
Global Trade Identification Number	00889232609690
Item Dimensions L x W	22.9L x 14W centimeters
Item Type Name	Scientific Calculator
Item Weight	6.05 Ounces
Manufacturer	CASIO
Mfr Part Number	FX-115ESPLS2
Model Name	['FX115ESPLUS']
Model Number	FX-115ESPLS2
Number of Batteries	1 LR44 batteries required. (included)
Number of batteries	1 LR44 batteries required. (included)
Power Source	Solar Powered
Power source	Solar Powered
Screen Size	6.5 Centimeters
Screen size	6.5 Centimeters
UPC	889232609690
Unit Count	1 Count
Warranty Description	No Warranty

Reviews

N**A

Amazing

Its so good

13.06.2026

F**A

Great and neat looking

It’s advanced and very neat looking, works well!

6.05.2024

M**A

Llegó rápido

Excelente producto

26.05.2026

T**T

期待通り

他を知らないので何とも言えないですが、思っていた通りの物でした

29.12.2024

B**E

BUY THE BLACK ONE INSTEAD

Great Calculator BUT get the BLACK one instead so much easier to see the keys, you might not think it will make a big difference but trust me it does.

19.05.2026

S**H

Great non graphing calculator for an awesome price

The Casio fx-115ES Plus 2nd Edition is an excellent scientific calculator for students taking algebra, calculus, physics, or engineering courses. The Natural Textbook Display makes fractions, roots, and equations easy to read exactly as they appear in textbooks. It has a wide range of functions while still being simple to use once you learn the layout. The calculator feels durable, responsive, and reliable for both homework and exams. Overall, it’s a great value for anyone needing a powerful non-graphing scientific calculator.

8.05.2026

M**R

رهيبه

ممتازه فيها تحويل وحدات + ثوابت كثيرة

10.05.2026

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TrustScore 4.5 | 7,300+ reviews

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