What is difference between fx 991ms and fx 991 es plus?

No big difference but whether my knowledge ES is not applicable for all competitive exam . Yes ES has more functions than MS .

Can i use in civil engineering

Of course it can be done on this calculator. But better use FX-991 ES or ES+ for that. Hope you helpful..

Casio Fx 991ms 2nd Gen Non Programmable Scientific Calculator 401

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

📐 Elevate your calculations — the classic powerhouse for every millennial pro!

BUILT TO ENDURE - Drop-resistant body and water-resistant key printing keep your calculator looking fresh and reliable.
EXAM READY TRUSTED - Non-programmable design ensures acceptance in all major engineering exams like JEE and GATE.
UNSTOPPABLE POWER DUO - Seamlessly switch between solar and battery power to never miss a calculation moment.
MASTER OF 401 FUNCTIONS - From integrals to matrices, conquer complex engineering problems with ease and speed.
CRYSTAL CLEAR DUAL LINE DISPLAY - Dot-matrix high-resolution screen lets you view and edit long expressions effortlessly.

The Casio FX-991MS 2nd Gen is a sleek, non-programmable scientific calculator featuring 401 functions, a durable drop-resistant body, and water-resistant key printing. Its dual-line dot-matrix display enhances readability for complex equations, while dual solar and battery power ensure uninterrupted use. Trusted by engineering students and professionals alike, it’s exam-approved and built to last with a 3-year manufacturer warranty.

Specifications

ASIN	B07TTGZWS1
Best Sellers Rank	#3,105 in Office Products ( See Top 100 in Office Products ) #17 in Scientific
Box Contents	1 Calculator, 1 User Manual, 1 Warranty Card With Serial Number, 1 Warranty Term Sheet
Brand Name	Casio
Calculator Type	Engineering/Scientific
Colour	Black
Customer Reviews	4.4 4.4 out of 5 stars (4,972)
Display Type	LCD
EU Spare Part Availability Duration	3 Years
Enclosure Material	Plastic
Importer Contact Information	Casio India Co Pvt Ltd, A-41, 1st Floor, MCIE, Mathura Road, New Delhi-110044
Item Dimensions L x W	161.5L x 77W Centimeters
Item Type Name	Scientific
Item Weight Unit of Measure	95 Grams
Manufacturer	Casio, Casio India Co Pvt Ltd, A-41, 1st Floor, MCIE, Mathura Road, New Delhi-110044
Manufacturer Contact Information	Casio India Co Pvt Ltd, A-41, 1st Floor, MCIE, Mathura Road, New Delhi-110044
Manufacturer Part Number	C77
Model Name	Scientific
Model Number	FX-991MS-2
Number of Batteries	Nonstandard Battery batteries required. (included)
Number of Items	1
Number of Packs	1
Packer Contact Information	Casio India Co Pvt Ltd, A-41, 1st Floor, MCIE, Mathura Road, New Delhi-110044
Power Source	Battery Powered
Screen Size Unit of Measure	7 Inches
Unit Count	1 Count
Warranty Description	6 months additional warranty for products registered online How to avail Warranty? Register your product on https://register.casio.in 3 years all India Manufacturer Warranty from the date of purchase To claim your warranty, produce original bill copy/invoice at authorized Casio service center (Warranty card & stamp is not mandatory for online purchases) For any service related enquiries and feedba…

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