10 Best Calculators in India [August, 2024]

Choosing the best calculator in India that perfectly matches your needs can be an overwhelming task given the sheer variety of options out there. With models ranging from basic ones for school kids to scientific versions packed with complex functions for engineering students and financial variants pre-loaded with business math formulas for commerce students or working professionals, identifying the ideal fit is vital for effortless and accurate calculations.

In this extensively researched review, we will simplify selection from the best 10 calculators spanning across essential categories and discuss must-know factors regarding usage, care and maintenance of your calculator for enhanced efficiency.

1. Casio MJ-12D 150 Steps Check and Correct Desktop Calculator

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Description

The Casio MJ-12D is a 12 digit desktop calculator with a large display and comfortable keyboard. It has a steps check and correct feature that allows reviewing and correcting past calculations.

Key Features

• 12 digit display
• Large keyboard with big keys
• 150 steps check and correct
• Dual power source – can use solar cell or battery
• Auto power off when not in use

Our Expert Opinion

The Casio MJ-12D strikes the ideal balance between affordability and utility for a desktop calculator. The superior build quality, steps check, big display and keys make it the best basic calculator available in India for home use, small businesses and students.

2. Casio DJ-240D Plus 300 Steps Check and Correct Premium Desktop Calculator

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Description

An advanced variant of Casio’s classic DJ series calculators for professionals and businesses. It has an impact resistant metal front plate with fluoresent two color imprint. The 14 digit display offers higher precision for complex calculations required in accounting, finance and science applications.

Key Features

• 14 digit fluorescent display
• Check and correct feature stores 300 steps
• Impact resistant metal front plate
• Solar and battery power
• Big keys with soft touch

Our Expert Opinion

The Casio DJ-240 is arguably the best desktop calculator in India thanks to best-in-class durability, premium design and superior accuracy and features tailored for book-keeping, accounting and other business/office needs.

3. Deli W39258 Calculator Big Size

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Description

Deli W39258 is a black colored big sized desktop calculator with 12 digits precision. It comes with 3 years warranty from the manufacturer.

Key Features

• Oversized display and keys
• 12 digit precision
• Check and correct up to 100 steps
• Solar power
• 3 years warranty

Our Expert Opinion

For those looking for a supersized desktop calculator with 12 digit accuracy, the Deli W39258 is the best option available in India. It’s value-for-money proposition is further sweetened by the 3 year warranty. The solar power allows using even without batteries.

4. Casio FX-82MS 2nd Gen Non-Programmable Scientific Calculator

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Description

The Casio FX-82MS scientific calculator features 240 functions suitable for high school and undergraduate college students and engineers. The two line display allows solving complex calculations easily. Updated 2nd generation model with improved usability.

Key Features

• 240 built-in math and science functions
• 2 line display shows expressions and results simultaneously
• Normal / scientific / engineering notation modes
• Fraction calculations
• Solar and battery powered
• Updated 2nd generation model

Our Expert Opinion

The Casio FX-82MS raises the bar for non-programmable scientific calculators under Rs. 1,000. For math, science and engineering students, this is undoubtedly the best mid-range scientific calculator available in the Indian market.

5. Casio MJ-12Sb Desktop Calculator

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Description

A back to basics 12 digit solar powered desktop calculator model from Casio built with education sector needs in mind. It has a comfortable, spill-proof keyboard.

Key Features

• 12 digits
• Solar power
• Spill-proof keyboard
• Impact resistant body
• Made specially for students

Our Expert Opinion

The Casio MJ-12Sb perfectly serves student needs for an accurate, durable and eco-friendly basic desktop calculator. For school children, this is the best option for quickly mastering math skills.

6. Orpat OT 1700T Check and Correct Calculator

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Description

The Orpat OT 1700T is a multi-purpose 12 digit desktop calculator suitable for business and home needs. It allows reviewing and correcting the last calculation.

Key Features

• 12 digits
• Check and correct
• Dual power – solar and battery
• Big display and keys
• Lightweight and compact

Our Expert Opinion

For its affordable price point, the Orpat OT 1700T packs an impressive set of features. The solar power backup and check/correct function make it the best desktop calculator under Rs. 500 in India.

7. Casio HL-815L Portable Calculator

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Description

A slim and sleek credit card sized calculator from Casio featuring a two color imprinted keyboard and 8 digit precision. The foldable compact design makes it ultra portable.

Key Features

• 8 digit
• Credit card size
• Ultra slim and lightweight body
• Foldable portable form factor
• Beautiful two color imprinted keyboard

Our Expert Opinion

The Casio HL-815L is the perfect pocket calculator for everyone thanks to its convenient size, stylish looks and reliable performance. Without a doubt, it is India’s best portable calculator.

8. Casio FX-991ES Plus-2nd Edition Scientific Calculator

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Description

An advanced upgrade to the iconic Casio FX-991ES scientific calculator loaded with features for high school and college students pursuing science and engineering courses.

Key Features

• Algebraic logic and natural textbook displays
• 421 in-built functions
• Improved math and science capabilities
• Engineering notation
• Calculator to calculator transfer
• Solar and battery power

Our Expert Opinion

The Casio FX-991ES Plus 2nd Edition takes the crown for the best scientific calculator in India with all the math/science capabilities even most expensive models lack. For students and engineers, this should be the first choice within Rs. 2,000 budget.

9. Texas Instruments BA II Plus Financial Calculator

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Description

The TI BAII Plus is a business and financial calculator designed specifically for finance, accounting and business statistics applications. Ideal finance calculator for professionals, business owners and students.

Key Features

• Pre-programmed business formulas
• Time value of money calculations
• Cash flows analysis
• Bonds, stocks calculations
• Depreciation, amortization
• Statistic functions

Our Expert Opinion

Packing almost every business, financial and statistical formula, the Texas Instruments BA II Plus is simply the best financial calculator available for commerce students, CA, ICWA, CFA and finance professionals in India.

10. Casio MZ-12SA Desktop Calculator with Square Root and GT Key

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Description

An advanced 12 digit desktop calculator from Casio with dedicated square root and grand total keys along with dual power and durable build quality.

Key Features

• 12 digits precision
• Square root key
• Grand total key
• Solar and battery power
• Heavy duty construction

Our Expert Opinion

For business owners and accountants needing a desktop calculator with 12 digit accuracy, dedicated keys for frequently used functions like square root and grand total, the Casio MZ-12SA is the perfect fit. It offers the ideal blend of features, performance and durability that make it the best standard calculator for offices and small businesses in India.

Comparison for Best Calculator in India

How to choose the best calculator

Here are the key factors to consider when choosing the best calculator for your requirements from the wide options available:

• Type of use: Basic calculations, math/science school work, home/office accounting, financial analysis, engineering/architecture work each require different calculator types like basic, scientific, financial etc.
• Frequency of use: From daily general use to occasional, choose durability accordingly.
• Features needed: Complex calculations need memory, scientific functions, statistics modes, notation modes etc.
• Accuracy level: Choose display digits 12/14/16 based on number precision you need.
• Brand: Established brands assure quality – like Casio, Orpat, Texas Instruments etc.
• Budget: Scientific and financial ones cost 2X to 5X more than basic calculators.
• Extra functions: Decimal, Percentage, Squre Root, Grande Total keys needed?

Choose the one optimally matching maximum requirements without overspending.

Different types of calculators

There are 5 main types suited for different use cases:

• Basic Calculator – For simple math addition, subtraction, division, multiplication. Home works for school students.
• Scientific Calculator – Have advanced trigonometric, logarithmic and other math/science functions. Needed for high school and college science/engineering students.
• Financial Calculator – Have pre-programmed formulas for financial, accounting, commercial math and statistics. Useful for commerce students, business owners, financial analysts and investors.
• Graphic Calculator – Have visual graphing and geometry functions. Helpful for advanced engineering and design students/professionals.
• Pocket/Portable – Miniature basic calculators for portable everyday use. Credit card sizes fit in wallet, purse or pocket easily. Useful when on the move.

Choose as per your specific needs. Using a wrong calculator for your application can be frustrating.

Calculator Usage, Care and Maintenance Guide

Follow these tips to enhance your calculator life and efficiency:

• Avoid extreme heat or cold environment
• Ensure hands are clean before usage to prevent dirt accumulation near keys over time which can lead to faulty working.
• Press keys gently, do not bang them
• Clean plastic surface gently with dry microfiber cloth only
• Avoid spillage of any liquids on calculators
• For long term storage, remove batteries and keep in dry location to prevent corrosion
• Prefer solar powered models as backup for environmental-friendliness
• Change batteries immediately when low power indicator comes on
• Consider models with durable metal casings if your usage involves travel or rough handling
• Always keep manual handy for model specific guidance
• Ensure warranty registration is done right after purchase
• Handle with care during transport to prevent scratches or breakage

Calculators are indispensable for simplifying complex calculations across homes, schools, colleges, offices and businesses. We hope selecting from our curated list of best calculators as per the buying guide makes it easy to pick the right companion matching your usage and budget. Let numbers be friends, not enemies with help from the perfect calculator!

FAQs about the best calculator

Q. Which calculator is best for engineering students?

The Casio FX-82MS scientific calculator and Casio FX-991ES Plus 2nd Edition scientific calculator are the best for engineering students because of the below reasons:

• Have 100+ built-in engineering formulas
• Can solve complex trigonometric, logarithmic and other math functions
• Equipped with statistics and fraction modes required for engineering math
• Provide accuracy upto 10-12 digits
• Feature engineering notation and two line displays
• Are solar powered to use without batteries
• Come from Casio – a top calculator brand for math and science

Q. Which calculator is best for CA students?

The Texas Instruments BA II Plus financial calculator is regarded as the best for Chartered Accountancy students as it is pre-loaded with all the business, financial and statistical formulas needed for accounting and finance concepts and calculations in the CA curriculum covering areas like:

• Time value of money
• Cash flows
• Interest rates
• Depreciation
• Cost of capital
• Bonds and stocks
• Statistics

Q. Which scientific calculator is best?

The Casio FX-991ES Plus 2nd Edition scientific calculator is considered the best scientific calculator thanks to:

• Packed with 421 built-in functions covering all math and science needs
• Improved math capabilities over other models
• Algebraic logic and textbook display modes
• Engineering notation and two line display
• Solar plus battery power backup for unwavering accuracy

Q. Which brand of calculator is best?

Casio, Orpat, Texas Instruments, Citizen and Canon are the most popular and reliable calculator brands in India known for high quality, durability and accuracy at reasonable prices. Market leader Casio offers good options for students, professionals and offices. Texas Instruments is revered for its superior financial and statistical calculators.

Q. Is a scientific calculator necessary?

For high school and college students pursuing maths and sciences including engineering fields, a dedicated scientific calculator can solve complex trigonometric, logarithmic and other specialized functions needed on a daily basis. It becomes absolutely essential to have during exams when graph papers, log tables are not allowed.

Q. What is the most expensive calculator in the world?

The Nobuhide Mongoachi designed HA-3000N Astrocalculator made by Japanese brand Astrodesign is listed by the Guinness Book of World Records as the most expensive calculator in the world. Embedded with 130 carats of premium jewels, it costs approximately 5 million Japanese Yen or nearly Rs. 30 Lakh Indian rupees.

Only 5 units manufactured so far primarily as collector’s item for ultra high networth individuals rather than for actual numerical calculations.

Conclusion

To summarize, our thorough analysis distils the best calculators in India custom-built for diverse needs of students as well as financial, scientific and general business usage scenarios. We hope this guide gives you clarity in quickly zeroing down on the perfect match allowing smooth access to the full power of mathematical calculations as per your specific curriculum, job needs or daily requirements within an optimal budget. Mastering usage care best practices will ensure unwavering functioning for years to come. Let numbers befriend you!