School & Kids
Stationery
₹499–₹2,499
Stationery · ₹499–₹2,499
Best Scientific Calculators in India for Students (2026)
By Bikram Nath · Updated 2026-06-10 · How we pick · Affiliate disclosure: links earn a small commission
What's the best Stationery to buy in India?
Buying the wrong scientific calculator in India can get a student's exam paper cancelled — CBSE, ISC, and JEE strictly prohibit CAS (Computer Algebra System) calculators that can solve equations symbolically. This guide focuses only on non-CAS models approved for use in Indian board exams, with dual solar-and-battery power that handles the dim lighting of Indian examination halls.
Casio fx-991EX CLASSWIZ Scientific Calculator
Best scientific calculator for Class 11–12 and JEE/NEET aspirants — the 552-function count and high-resolution display are genuine competitive advantages in exams.
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Quick Comparison
| # | Product | Brand | Link |
|---|---|---|---|
| 1 | Casio fx-991EX CLASSWIZ Scientific Calculator Top Pick | Casio | |
| 2 | Casio fx-82ES Plus 2nd Edition Scientific Calculator Best Value | Casio | |
| 3 | Casio fx-100MS 2nd Generation Scientific Calculator Editor's Choice | Casio | |
| 4 | Sharp EL-W531 WriteView Scientific Calculator | Sharp | |
| 5 | Orpat OC-600GT Scientific Calculator Budget Pick | Orpat |
Our Top Picks
Casio fx-991EX CLASSWIZ Scientific Calculator
Casio
Functions
552
Display
High-resolution LCD 192×63 pixels
Power
Solar + LR44 battery
Modes
Statistics, Distribution, Complex, Vector, Matrix
BoardApproved
CBSE, ISC, JEE (non-CAS)
Pros
- ✓552 functions cover all Class 11–12 Physics, Maths, and Chemistry topics plus JEE preparation
- ✓High-resolution LCD shows fractions and roots exactly as written in NCERT textbooks
- ✓QR code function generates Casio EDU+ app problems for study — a genuinely useful revision tool
- ✓Solar + LR44 backup — never dies in exam halls with poor lighting
Cons
- ✗At ₹1,595, it costs 3× more than the fx-82ES — not necessary for Class 9–10 students
- ✗552 function modes require initial learning — some students stick to familiar keys
“Best scientific calculator for Class 11–12 and JEE/NEET aspirants — the 552-function count and high-resolution display are genuine competitive advantages in exams.”
Casio fx-82ES Plus 2nd Edition Scientific Calculator
Casio
Functions
252
Display
Natural Textbook Display (NTD)
Power
Solar + LR44 battery
Modes
Statistics, Base-N, Matrix
BoardApproved
CBSE, ISC (non-CAS)
Pros
- ✓Most widely used calculator in Indian Class 9–10 board exams — students can find help and tutorials easily
- ✓Natural Textbook Display shows √ and fractions exactly as written — fastest visual check
- ✓Dual solar+battery power — reliably works in dim exam lighting
- ✓252 functions cover all CBSE Class 9–10 Maths and Science requirements
Cons
- ✗252 functions insufficient for complex Class 12 Physics calculations involving distributions or vectors
- ✗No upgrade path within the same model — Class 11 students will need to buy the fx-991EX
“Best for Class 9–10 students — the most familiar and widely supported calculator for Indian CBSE board exams at an honest price.”
Casio fx-100MS 2nd Generation Scientific Calculator
Casio
Functions
300
Display
2-line dot matrix
Power
Solar + LR44 battery
Modes
Statistics, Complex, Equation, Matrix
BoardApproved
CBSE, ISC (non-CAS)
Pros
- ✓300 functions — intermediate between fx-82ES and fx-991EX
- ✓Equation solver mode handles simultaneous equations up to 3 unknowns
- ✓2-line display shows input and output simultaneously — reduces transcription errors
- ✓More functions than fx-82ES at only ₹200 extra
Cons
- ✗Lacks the high-resolution NTD display of the fx-991EX — fractions appear in linear format
- ✗Less popular than fx-82ES so fewer India-specific YouTube tutorials exist
“Best mid-range choice for Class 11 students who want more functions than the fx-82ES but don't need the full fx-991EX capability yet.”
Sharp EL-W531 WriteView Scientific Calculator
Sharp
Functions
335
Display
4-line WriteView LCD
Power
Solar + LR44 battery
Modes
Statistics, Equation, Complex
BoardApproved
CBSE, ISC (non-CAS)
Pros
- ✓4-line WriteView display shows step-by-step calculations — useful for checking multi-step physics problems
- ✓335 functions adequate for Class 11–12 non-JEE students
- ✓Sharp build quality is excellent — keys have a satisfying tactile click
- ✓Less common in India — exam supervisors rarely confuse it with banned CAS models
Cons
- ✗Sharp has limited service network in India versus Casio's widespread presence
- ✗4-line display takes longer to learn than the standard 2-line Casio layout
“Best alternative to Casio for students who prefer a 4-line WriteView display — Sharp's build quality is excellent but the service network is thinner outside metros.”
Orpat OC-600GT Scientific Calculator
Orpat
Functions
240
Display
2-line dot matrix
Power
Solar + LR44 battery
Modes
Statistics, Base-N
BoardApproved
CBSE (non-CAS)
Pros
- ✓Under ₹500 — the most affordable board-approved scientific calculator in India
- ✓Indian brand with easier warranty claims through offline retailers
- ✓Dual solar+battery power — reliable in varied exam hall lighting
- ✓240 functions sufficient for Class 9–10 requirements
Cons
- ✗Build quality noticeably below Casio — key bounce reported after 6+ months of heavy use
- ✗No natural textbook display — fractions display in linear a/b format
- ✗Limited availability outside Tier 1 cities
“Best budget pick when the exam is tomorrow and the budget is tight — functional for Class 9–10 board exams but expect to replace it within 2 years of daily use.”
Editor's read
India's exam authorities have tightened calculator rules after cheating incidents in 2019–2021 involving programmable calculators. The safest exam strategy is to carry the Casio fx-82ES or fx-991EX — invigilators across CBSE, ISC, and most state boards are familiar with these models and rarely pull them for inspection. For JEE Main and Advanced, calculators are not permitted at all — so students in Std 11–12 should use their scientific calculator only for school practicals and internal tests, not as a crutch for JEE problem sets.
— Bikram, editor
How we picked these stationery
Every pick on this page started from real shopper questions, not Amazon's bestseller rankings. We exclude listings where reviews look incentivised — the patterns we screen for are sudden review spikes timed with coupon launches, brand-comparison templates copy-pasted across multiple variants, and listings under a year old with fewer than 50 organic reviews. Bestseller-tag products in narrow subcategories often game a small basket; we prefer products with deep, stable review history that survived seasonal surges.
Pricing on this page reflects realistic Amazon India retail. We ignore one-day flash deals, Prime-Day-only discounts, and stabilised retailer-only coupons that don't hold for someone shopping on a normal Tuesday. The ₹499–₹2,499band is what you'll actually pay if you walk into this listing today, not the cherry-picked best-discount value.
Our editorial process is one person — Bikram, based in Pune — researching school & kids products against Indian use-case constraints (voltage variability, hard water in many cities, monsoon humidity, smaller flat sizes than Western default). The order of products on this page reflects our editorial ranking only. We do not accept paid placements, sponsored slots, or PR-pitched products. Our only commercial relationship is the Amazon affiliate link — clicking through earns a small commission, your price stays identical.
Buying stationery in India — what to know
- Indian retail vs imported products: Most stationery listed here have official Indian distributor warranty. Imported (grey market / parallel import) units are sometimes cheaper but carry no Indian service-centre warranty — for school & kids, that gap is meaningful since service infrastructure varies sharply between metros and tier-2 cities.
- Voltage and electrical compatibility: Indian mains is 230V at 50Hz with notable fluctuation outside metros. Most stationery in this category aren't voltage-sensitive, but verify the product page mentions Indian voltage compatibility before importing or buying grey-market units.
- Delivery realities: Amazon India Prime delivery in metros lands in 1-2 days; tier-2 cities 3-5 days; remote pincodes 5-7. For festive periods (Diwali week, Raksha Bandhan, year-end), even Prime delivery slips by 1-2 days due to demand surges. Build that buffer into your purchase timing if the stationery is for a specific date.
- Return window math: Standard Amazon India return window is 7-10 days from delivery, not from purchase or unboxing. For gifts and items received before the actual occasion, the return clock starts on delivery — order closer to your need-by date so the return option remains live if the product disappoints.
- Warranty registration: Most school & kidsbrands require online warranty registration within 7-15 days of delivery. Skipping this step often means the warranty period defaults to the manufacturing date (which can be months earlier) instead of your delivery date. Register on the brand's website with your invoice number — takes 2 minutes, saves a potential 1-3 month warranty gap.
- Stabiliser / surge protection: India's grid sees more voltage events than most product engineering tolerances assume. For stationery with electronic components, the 25–50 additional spend on a quality stabiliser pays for itself the first time it saves you from a power-surge replacement.
What to Look For
- 1.CAS vs non-CAS: Never buy a CAS calculator for board exams. Models with 'CAS' in the name (like Casio fx-9860GII) are banned in CBSE and ISC exams. Stick to fx-82, fx-100, fx-991 series — these are the board-approved Casio lines.
- 2.Display type: Natural Textbook Display (NTD/Textbook) shows fractions and roots as you would write them on paper — crucial for checking work quickly. Basic dot-matrix displays are functional but slower for students who need to visually verify expressions.
- 3.Dual power (solar + battery): Indian examination halls often have mixed lighting. A calculator with only solar power can dim or fail in low-light conditions. Always prefer dual-power models — they draw solar when available and fall back to battery.
- 4.Number of functions: fx-82ES has 252 functions; fx-991EX has 552 functions. For Class 10 and below, 252 is adequate. For Class 11–12 Physics/Maths and JEE preparation, 552 functions — including statistics, distributions, and complex number modes — significantly reduce manual calculation time.
- 5.Build durability: Calculators used across 2–3 years of exam prep take considerable mechanical abuse. Casio's key mechanism lasts ~1 million keystrokes per key — cheap clones fail within months.
- 6.Exam hall visibility: High-contrast display and key legends readable under fluorescent light matter more than backlight (backlit calculators are often banned in exams).
Frequently Asked Questions
Which Casio calculator is allowed in CBSE board exams?
The Casio fx-82ES Plus, fx-100MS, and fx-991EX are all allowed in CBSE board exams as non-CAS models. CAS calculators (models that can solve equations symbolically) are banned. When in doubt, avoid any model with 'CAS' in the name or with a graphical display — CBSE allows only basic scientific calculators.
Is Casio fx-991EX allowed in CBSE exams?
Yes — the Casio fx-991EX CLASSWIZ is allowed in CBSE exams. It is a non-CAS scientific calculator. It has a QR code feature but this does not make it a CAS model — it simply links to online study problems. It has been allowed in CBSE Class 11 and 12 practicals and some board exams since its India launch.
What is the difference between Casio fx-82ES and fx-991EX?
The fx-82ES has 252 functions and a standard LCD; the fx-991EX has 552 functions and a high-resolution LCD. For Class 9–10 students, the fx-82ES is sufficient. For Class 11–12 students covering complex numbers, statistics distributions, matrices, and vectors, the fx-991EX saves 15–20 minutes per physics or maths paper.
Are calculators allowed in JEE Main?
No — calculators of any kind are not permitted in JEE Main or JEE Advanced. Scientific calculators are only useful for CBSE/ISC school practicals and theory papers. JEE aspirants should prioritise mental maths and approximation techniques rather than relying on a calculator during exam preparation.
Which is the best scientific calculator under ₹700 in India?
The Casio fx-82ES Plus 2nd Edition at around ₹699 is the best scientific calculator under ₹700. It is the most widely used model in Indian schools, has Natural Textbook Display, dual solar+battery power, and 252 functions that cover all Class 9–10 CBSE requirements. The Orpat OC-600GT is cheaper but build quality is noticeably lower.
What is the best Stationery in India?
The best Stationery in India is the Casio fx-991EX CLASSWIZ Scientific Calculator. Best scientific calculator for Class 11–12 and JEE/NEET aspirants — the 552-function count and high-resolution display are genuine competitive advantages in exams.
How much does a Stationery cost in India?
Stationery prices in India typically range from ₹499–₹2,499. Check current prices on Amazon for each pick listed above.
What should I look for when buying a Stationery?
- Key factors: CAS vs non-CAS: Never buy a CAS calculator for board exams. Models with 'CAS' in the name (like Casio fx-9860GII) are banned in CBSE and ISC exams. Stick to fx-82, fx-100, fx-991 series — these are the board-approved Casio lines.
- Display type: Natural Textbook Display (NTD/Textbook) shows fractions and roots as you would write them on paper — crucial for checking work quickly. Basic dot-matrix displays are functional but slower for students who need to visually verify expressions.
- Dual power (solar + battery): Indian examination halls often have mixed lighting. A calculator with only solar power can dim or fail in low-light conditions. Always prefer dual-power models — they draw solar when available and fall back to battery.
What is a good budget option for Stationery?
Orpat OC-600GT Scientific Calculator is a solid budget choice within this range. Best budget pick when the exam is tomorrow and the budget is tight — functional for Class 9–10 board exams but expect to replace it within 2 years of daily use.
How long does Amazon India take to deliver stationery?
Amazon Prime members in metros (Mumbai, Delhi, Bangalore, Pune, Chennai, Hyderabad, Kolkata, Ahmedabad) typically get 1-2 day delivery. Tier-2 cities take 3-5 days. Remote pincodes (parts of North-East, interior Himachal, smaller towns in MP and Odisha) take 5-7 days. For stationery, we recommend verifying delivery date on the Amazon listing before checkout — bulkier school & kids items occasionally take longer than the displayed Prime estimate.
Is the Stationery listed here available with EMI on Amazon India?
Most products in the ₹499–₹2,499 range qualify for No-Cost EMI on Amazon India when you check out with a credit card from HDFC, ICICI, Axis, SBI, or Kotak Mahindra. Some debit cards from these banks also work. The exact EMI options appear on the product page after you select a payment method — typically 3, 6, 9 month no-cost terms for ₹499–₹2,499, with longer 12-24 month terms available at small interest. Amazon Pay Later is also an option for orders under ₹60,000.
Can I return Stationery on Amazon if it doesn't work as expected?
Most school & kids products on Amazon.in have a 7-10 day return window from delivery date for replacement or refund, provided the item is unused and in original packaging with all accessories. Personal-care and consumable items are typically non-returnable once the seal is broken. For appliances and electronics, the manufacturer warranty (usually 1-2 years) covers defects beyond Amazon's return window — register the product with the brand within 7 days of delivery to lock in the warranty start date.
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Top Pick
Casio fx-991EX CLASSWIZ Scientific Calculator