If you’re a commerce student, having the right calculator can save you time, boost your accuracy, and help you solve GST, profit margin, and tax problems faster.
Whether you’re in Class 11-12 Commerce, B.Com, M.Com, or CA Foundation, this guide will help you choose the best calculator for commerce students in 2025.
Why Commerce Students Need a Good Calculator
Commerce students deal with numbers daily—tax, GST, profit & loss, interest, discounts, and more. So a basic calculator won’t cut it. You need one that offers:
- GST keys
- MU (Mark-Up) function
- TAX+, TAX–
- M+ / M– / GT
- Fast and big display
Top 5 Best Calculators for Commerce Students in 2025
1. Casio MJ-120GST
- Dedicated GST buttons (0%, 5%, 12%, 18%, 28%)
- MU, GT, TAX+, TAX– functions
- 12-digit display with fast response
- Dual power (battery + solar)
- Price: ₹600–₹700
Best for: GST calculations, accounting practice, business math
2. Orpat OT-512GT
- MU, TAX, GT, and MRC functions
- Lightweight and budget-friendly
- 12-digit large display
- Price: ₹400–₹450
Best for: Daily use by commerce students in school or college
3. Citizen CT-512
- Tax keys, MU, GT, and auto replay
- 12-digit angled display
- Dual power + soft keys
- Price: ₹500–₹550
Best for: Students looking for durability and reliability
4. Casio DJ-120D Plus
- ✅ Wide display, 200 steps check
- ✅ GT, MU, TAX, and dedicated correction key
- ✅ Dual power, large keys
- 💰 Price: ₹650–₹700
Best for: Students who want advanced features for business & finance studies
5. Orpat GT-512T
- MU, TAX, GT keys
- Strong build and rubber keys
- Ideal for quick tax calculations
- Price: ₹380–₹420
Best for: Beginners and those looking for a low-cost option
Comparison Table: Commerce Calculator Overview
| Model | Price (₹) | GST Keys | TAX Keys | MU | Display | Power |
|---|---|---|---|---|---|---|
| Casio MJ-120GST | 600–700 | Yes | Yes | Yes | 12-digit | Dual Power |
| Orpat OT-512GT | 400–450 | No | Yes | Yes | 12-digit | Battery |
| Citizen CT-512 | 500–550 | No | Yes | Yes | 12-digit | Dual Power |
| Casio DJ-120D+ | 650–700 | No | Yes | Yes | Wide | Dual Power |
| Orpat GT-512T | 380–420 | No | Yes | Yes | 12-digit | Battery |
What to Look for in a Commerce Calculator
- GST Functionality: Great for understanding real-world tax concepts
- TAX+ / TAX– Keys: Makes quick tax addition/subtraction easier
- MU (Mark-Up): Helps calculate selling price/profit margin
- Memory & GT Keys: Save totals and reuse values efficiently
- Big Display & Dual Power: Comfortable for long hours
Expert Tips for Commerce Students
- Use GST keys to understand real-world business math
- Practice speed with memory and GT functions
- Use the same calculator in exams and classes
- Avoid calculators with scientific functions (not allowed in exams)
Our Top Picks
⭐ Best Overall: Casio MJ-120GST – for GST & commerce-specific features
💸 Best Budget Option: Orpat GT-512T – basic but solid for students
🏢 Most Durable: Citizen CT-512 – for rough use and long-term value
FAQs
Which calculator is best for GST calculations?
➡️ Casio MJ-120GST – it has built-in GST keys (0%, 5%, 12%, etc.)
Are scientific calculators allowed in commerce exams?
➡️ No. Only basic calculators with tax and memory functions are allowed.
Is Casio better than Orpat?
➡️ For long-term use and accuracy, Casio is more reliable. Orpat is great for budget users.
Final Thoughts
Choosing the right calculator will make your commerce journey smoother. Whether you’re solving GST, mark-up, or interest rates, invest in a calculator that saves time, improves accuracy, and supports your studies.
➡️ Ready to buy one? Find them online on Amazon, Flipkart, or your local store.
