A good scientific calculators can make everyday buying decisions easier for Filipino buyers, especially when price, space, durability, and after-sales support matter. This 2026 Shopee PH guide focuses on practical picks that fit Philippine homes, budgets, and daily routines.
Quick Comparison: All 7 Products
| Product | Best For | Price Range (Shopee PH) |
|---|---|---|
| 🏆 Casio fx-991ES Plus 2nd Edition | Most Filipino Families | ₱600–₱1,000 |
| 🥈 Casio fx-82ES Plus II | Premium Buyers | ₱400–₱700 |
| 🥉 Texas Instruments TI-36X Pro | Mid-Range Seekers | ₱1,200–₱2,000 |
| 4. Casio fx-CG50 PRIZM Graphing Calculator | Condo Dwellers | ₱3,000–₱5,000 |
| 5. Sharp EL-W516TBSL WriteView Calculator | Budget Shoppers | ₱800–₱1,400 |
| 6. HP 35s Scientific Calculator | Value Hunters | ₱3,000–₱5,000 |
| 7. Casio fx-9860GIII Graphing Calculator | Tight Budgets | ₱4,000–₱7,000 |
For most Filipino shoppers, the top pick is the Casio fx-991ES Plus 2nd Edition (typically ₱600–₱1,000 on Shopee PH).
- Best Overall: Casio fx-991ES Plus 2nd Edition
- Runner-Up: Casio fx-82ES Plus II
- Best Value: Texas Instruments TI-36X Pro
#1 Casio fx-991ES Plus 2nd Edition
Casio fx-991ES Plus 2nd Edition is a strong pick for Filipino buyers because it is the most used scientific calculator in the Philippine education system — 417 functions with a natural display that shows equations exactly as they appear in Filipino textbooks. It is worth considering if you want one of the best scientific calculators options available on Shopee PH
| Specification | Details |
|---|---|
| Key Feature | ✔ Most used scientific calculator in the Philippine education system — 417 functions |
| Performance Highlight | ✔ With a natural display |
| Convenience Feature | ✔ That shows equations exactly as they appear in Filipino textbooks |
| Best For | Most Filipino Families |
| Price on Shopee PH | ₱600–₱1,000 |
✓ Pros
- ✔ Most used scientific calculator in the Philippine education system — 417 functions
- ✔ With a natural display
- ✔ That shows equations exactly as they appear in Filipino textbooks
- Price Range: ₱600–₱1,000
✗ Cons
- Premium price vs. budget alternatives
- May have more features than casual users need
- Worth waiting for a Shopee sale to save more
#2 Casio fx-82ES Plus II
Casio fx-82ES Plus II is a strong pick for Filipino buyers because it is the most affordable Casio scientific calculator for Filipino high school students entering engineering and science courses on a budget. It is worth considering if you want one of the best scientific calculators options available on Shopee PH
| Specification | Details |
|---|---|
| Key Feature | ✔ Most affordable Casio scientific calculator |
| Performance Highlight | ✔ For Filipino high school students entering engineering and science courses on a budget |
| Convenience Feature | ✔ Priced at ₱400–₱700 on Shopee PH |
| Best For | Premium Buyers |
| Price on Shopee PH | ₱400–₱700 |
✓ Pros
- ✔ Most affordable Casio scientific calculator
- ✔ For Filipino high school students entering engineering and science courses on a budget
- ✔ Priced at ₱400–₱700 on Shopee PH
- Price Range: ₱400–₱700
✗ Cons
- Slightly more expensive than mid-range options
- Some advanced features may go unused by casual users
- Availability can vary by seller and region
#3 Texas Instruments TI-36X Pro
Texas Instruments TI-36X Pro is a strong pick for Filipino buyers because it is the scientific calculator approved for Philippine engineering board exams — covers multi-line input and complex number calculations for Filipino board exam preparation. It is worth considering if you want one of the best scientific calculators options available on Shopee PH
| Specification | Details |
|---|---|
| Key Feature | ✔ Scientific calculator approved |
| Performance Highlight | ✔ For Philippine engineering board exams — covers multi-line input and complex number calculations |
| Convenience Feature | ✔ For Filipino board exam preparation |
| Best For | Mid-Range Seekers |
| Price on Shopee PH | ₱1,200–₱2,000 |
✓ Pros
- ✔ Scientific calculator approved
- ✔ For Philippine engineering board exams — covers multi-line input and complex number calculations
- ✔ For Filipino board exam preparation
- Price Range: ₱1,200–₱2,000
✗ Cons
- Mid-tier build compared to top picks
- Fewer premium features than #1 and #2
- After-sales support varies by location
#4 Casio fx-CG50 PRIZM Graphing Calculator
Casio fx-CG50 PRIZM Graphing Calculator is a strong pick for Filipino buyers because it is the full-color graphing calculator for Filipino engineering and mathematics college students who need visual graph representation. It is worth considering if you want one of the best scientific calculators options available on Shopee PH
| Specification | Details |
|---|---|
| Key Feature | ✔ Full-color graphing calculator |
| Performance Highlight | ✔ For Filipino engineering and mathematics college students |
| Convenience Feature | ✔ Who need visual graph representation |
| Best For | Condo Dwellers |
| Price on Shopee PH | ₱3,000–₱5,000 |
✓ Pros
- ✔ Full-color graphing calculator
- ✔ For Filipino engineering and mathematics college students
- ✔ Who need visual graph representation
- Price Range: ₱3,000–₱5,000
✗ Cons
- Not ideal for very heavy daily use
- Limited premium feature set
- Warranty period may be shorter than premium models
#5 Sharp EL-W516TBSL WriteView Calculator
Sharp EL-W516TBSL WriteView Calculator is a strong pick for Filipino buyers because it is the scientific calculator that displays math expressions the same way Filipino students write them by hand — excellent readability for Philippine exam conditions. It is worth considering if you want one of the best scientific calculators options available on Shopee PH
| Specification | Details |
|---|---|
| Key Feature | ✔ Scientific calculator |
| Performance Highlight | ✔ That displays math expressions the same way Filipino students write them by hand — excellent readability |
| Convenience Feature | ✔ For Philippine exam conditions |
| Best For | Budget Shoppers |
| Price on Shopee PH | ₱800–₱1,400 |
✓ Pros
- ✔ Scientific calculator
- ✔ That displays math expressions the same way Filipino students write them by hand — excellent readability
- ✔ For Philippine exam conditions
- Price Range: ₱800–₱1,400
✗ Cons
- Entry-level components for daily use
- Basic warranty coverage only
- Less energy-efficient than premium inverter options
#6 HP 35s Scientific Calculator
HP 35s Scientific Calculator is a strong pick for Filipino buyers because it is the HP calculator approved by Philippine Professional Regulations Commission for engineering licensure examinations. It is worth considering if you want one of the best scientific calculators options available on Shopee PH
| Specification | Details |
|---|---|
| Key Feature | ✔ HP calculator approved by Philippine Professional Regulations Commission |
| Performance Highlight | ✔ For engineering licensure examinations |
| Convenience Feature | ✔ Priced at ₱3,000–₱5,000 on Shopee PH |
| Best For | Value Hunters |
| Price on Shopee PH | ₱3,000–₱5,000 |
✓ Pros
- ✔ HP calculator approved by Philippine Professional Regulations Commission
- ✔ For engineering licensure examinations
- ✔ Priced at ₱3,000–₱5,000 on Shopee PH
- Price Range: ₱3,000–₱5,000
✗ Cons
- Budget-tier build quality
- Fewer programs and features
- Service centers may be limited outside Metro Manila
#7 Casio fx-9860GIII Graphing Calculator
Casio fx-9860GIII Graphing Calculator is a strong pick for Filipino buyers because it is the premium Casio graphing model for Filipino university students in advanced mathematics, statistics, and engineering courses. It is worth considering if you want one of the best scientific calculators options available on Shopee PH
| Specification | Details |
|---|---|
| Key Feature | ✔ Premium Casio graphing model |
| Performance Highlight | ✔ For Filipino university students in advanced mathematics, statistics, and engineering courses |
| Convenience Feature | ✔ Priced at ₱4,000–₱7,000 on Shopee PH |
| Best For | Tight Budgets |
| Price on Shopee PH | ₱4,000–₱7,000 |
✓ Pros
- ✔ Premium Casio graphing model
- ✔ For Filipino university students in advanced mathematics, statistics, and engineering courses
- ✔ Priced at ₱4,000–₱7,000 on Shopee PH
- Price Range: ₱4,000–₱7,000
✗ Cons
- Best for occasional or light use only
- Basic feature set only
- Shorter expected product lifespan
How to Choose the Best Scientific Calculators in the Philippines
- Budget: Basic models covering standard trig and stats functions in the Casio fx-570 class cost ₱600-₱900, programmable or graphing-capable models run ₱1,200-₱2,500, and college-engineering-grade calculators cost ₱2,800-₱4,500.
- Space and fit: This is less about physical space and more about button layout, so check that the keys are large enough and logically grouped, since cramped budget clones often place frequently used functions like shift or mode in awkward spots that slow down exam use.
- Build quality: Solar-plus-battery hybrid power is worth prioritizing over battery-only models, since it means the calculator will not die mid-exam if the battery is old, a common complaint with cheaper units.
- Ease of use: Check whether the calculator matches what is required or recommended by your school or the specific board exam, such as CPA or engineering licensure, since some exams restrict programmable or graphing models entirely.
- Seller support: Genuine Casio and similar brands are frequently counterfeited in this category, so buy only from Shopee Mall or brand-authorized stores, since fake units often have inaccurate calculations on advanced functions that only show up under exam pressure.
Frequently Asked Questions
The top-ranked pick above stands out for being confirmed genuine rather than a common clone, with solar-battery hybrid power and full function accuracy, which matters enormously for students since a fake unit's calculation errors on trig or statistics functions can go unnoticed until exam day.
Basic scientific calculators for high school and general college use cost ₱600-₱900, models with more advanced statistical or engineering functions run ₱1,200-₱2,500, and calculators built for engineering or actuarial coursework cost ₱2,800-₱4,500.
Buy only from Shopee Mall or the brand's official store to avoid counterfeit units, which are common with popular models like the Casio fx-991, and check that the seller's photos show the actual model number matching what is listed.
Confirm the exact model number is allowed by your school, professor, or licensure exam since some restrict certain functions, check it has solar-plus-battery power, and verify the box includes a hard case and manual, which counterfeit units often skip.
Buy before the June school enrollment period or right before licensure exam registration deadlines, since authentic stock can run low on Shopee during peak back-to-school demand, pushing buyers toward riskier unauthorized sellers.
Final Verdict
Casio fx-991ES Plus 2nd Edition is the best overall scientific calculators for most Filipino buyers, while Casio fx-82ES Plus II is a strong alternative depending on your budget and needs. Compare current prices, seller ratings, and warranty coverage on Shopee PH before ordering.
