- Best Calculator for CA Foundation (Quick Answer) Popular
- Don’t Want to Think? Just Pick This
- Quick Comparison
- Casio MJ-12D (Best Overall)
- Orpat OT-512GT (Best Budget Option)
- Casio DJ-120D (For Serious Students) Popular
- Casio MJ-120D
- Citizen CT-555
- Are These Calculators Allowed in CA Exam?
- Which Calculator Is Allowed in CA Exam? (ICAI Rules Explained Clearly)
- How to Choose the Right Calculator for CA Foundation
- Common Mistakes to Avoid
- Final Recommendation
- FAQ’s
Best Calculator for CA Foundation (Quick Answer)
The most recommended calculator for CA Foundation is Casio MJ-12D due to its simplicity, durability, and ICAI compliance. Other good options include Casio MJ-120D and Orpat OPA-512.
Don’t Want to Think? Just Pick This
- Best Overall → Casio MJ-12D
- Budget Pick → ORPAT OT-512GT
Check Latest Price on Flipkart → - Heavy Use / Bigger Layout → Casio DJ-120D
Quick Comparison
| Calculator | Best For | Why Choose |
|---|---|---|
| Casio MJ-12D | Most Students | Safe, widely used, reliable |
| Orpat OT-512GT | Budget | Affordable and simple |
| Casio DJ-120D | Long Study Hours | Bigger size, faster input |
| Product | Title | Price | Rating | Buy |
|---|---|---|---|---|
 | Casio MJ-12D Financial Calculator, Black Best Pick | ₹436 | ★ 3.9/5 | Check Price |
 | Casio DJ-120D Calculator with Bigger Screen | ₹759 | ★ 3.9/5 | Check Price |
 | Casio MJ-120D Calculator with Tax Keys | ₹529 | ★ 3.9/5 | Check Price |
Casio MJ-12D (Best Overall)
If you want a safe, no-risk option used by most CA students, this is the one.
- Large buttons for fast calculations
- Clear display (easy to read during exams)
- Dual power (solar + battery)
- Reliable and widely used
Orpat OT-512GT (Best Budget Option)
- ICAI notice alerts
- Exam & registration updates
- Amendment alerts
- Study resources & PDFs
- Practical preparation guidance
If you want something affordable that still works perfectly for exams, go with this.
- Budget-friendly
- Simple layout
- Easy to use
- Good for beginners
Casio DJ-120D (For Serious Students)
If you study long hours and want more comfort and speed, this is a better choice.
- Bigger size for faster input
- Comfortable button spacing
- Durable build
- Ideal for heavy daily use
Casio MJ-120D
A solid alternative if you want something slightly different but equally reliable.
- Strong build quality
- Smooth button response
- Clear display
- Good long-term durability
Citizen CT-555
A simple and clean calculator for those who prefer basic usage.
- Straightforward functions
- Lightweight
- Easy handling
- Suitable for exam conditions
Check Latest Price on Amazon →
Are These Calculators Allowed in CA Exam?
Yes.
All the calculators listed above are:
- Non-scientific
- Non-programmable
- Basic electronic calculators
For complete rules and detailed explanation:
Which Calculator Is Allowed in CA Exam? (ICAI Rules Explained Clearly)
How to Choose the Right Calculator for CA Foundation
Before buying, make sure:
- No scientific functions (sin, cos, log, etc.)
- No programmable memory
- No formula storage
- Large buttons for faster calculations
- Clear display
A simple calculator is more than enough for CA exams.
Common Mistakes to Avoid
- Buying a scientific calculator by habit
- Choosing advanced models thinking “better = faster”
- Not checking ICAI rules
- Using a new calculator without practice
Final Recommendation
If you want the safest and most commonly used option, go with:
If you are on a budget:
If you want a bigger and more comfortable calculator:
Choose one, start practicing with it daily, and make it part of your exam routine.
FAQ’s
1. Which calculator is best for CA Foundation?
Casio MJ-12D is the most preferred choice among students.
2. Is Casio MJ-120D allowed?
Yes, it is a basic non-scientific calculator and allowed.
3. Are scientific calculators allowed in CA exam?
No, they are strictly prohibited.
Sushant Kumar
Founder
As a current B.Com (Hons) student at DU SOL and an active Chartered Accountancy (CA) aspirant, I understand the exact pressure, syllabus confusion, and administrative hurdles students face daily. TheSushant.in was built to provide first-hand, stress-tested guidance. Every DU SOL update, exam strategy, and CA study note shared here comes directly from my personal academic journey, official notifications, and real-time student experience. No generic advice: practical, student-to-student blueprints to help you clear your exams and level up.
