ACT Calculators: Exреrt Tiрѕ
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A quick tip for the ACT: the math section allows a calculator, but not one with a built-in CAS. So stick to a test-legal model and practice with it beforehand. The picks below are all ACT-approved, from the classroom favorite to a budget option.
At a glance
| Calculator | Best for | Type | Screen | Approved | |
|---|---|---|---|---|---|
| TI-84 Plus CE | Best overall | Graphing | Color | SAT, PSAT, ACT, AP | Check price → |
| TI-Nspire CX II | Most powerful | Graphing | Color | SAT, PSAT, ACT, AP | Check price → |
| Casio fx-CG50 PRIZM | Best color for less | Graphing | Color | SAT, ACT, AP | Check price → |
| Casio fx-9750GIII | Best budget graphing | Graphing | Black & white | SAT, ACT, AP | Check price → |
| TI-30XS MultiView | Best budget scientific | Scientific | 4-line | SAT, ACT | Check price → |
1. TI-84 Plus CE – Best overall
Few calculators are as safe a bet as the TI-84 Plus CE. Because nearly every math class is built around it, every button press matches what your teacher demonstrates, and it stays approved across the SAT, PSAT, ACT, and AP tests.
What’s good:
- Matches classroom instruction
- Approved on all four big exams
- Familiar, unchanging layout
- Tons of online tutorials
Worth knowing:
- Costs more than Casio rivals
2. TI-Nspire CX II – Most powerful
The TI-Nspire CX II pushes the limits of what an exam-approved calculator can do. Spreadsheets, programmable Python, and side-by-side graph-and-table views set it apart, and it remains cleared for the SAT, PSAT, and ACT.
What’s good:
- Top-tier capability
- Programmable in Python
- Side-by-side views
- Cleared for SAT, PSAT, ACT
Worth knowing:
- Longer to learn
- Expensive
3. Casio fx-CG50 PRIZM – Best color for less
If you want graphing power without the Texas Instruments price, the fx-CG50 PRIZM is the smart buy. Its large color screen, intuitive menus, and 3D plots make it a pleasure to use, and it’s cleared for the SAT, ACT, and AP exams.
What’s good:
- Graphing power for less
- Intuitive menus
- 3D plotting
- Cleared for SAT, ACT, AP
Worth knowing:
- Less community support
- Battery-powered, not rechargeable
4. Casio fx-9750GIII – Best budget graphing
Don’t let the low price fool you, the fx-9750GIII handles real graphing. Approved for the SAT, ACT, and AP exams and Python-ready, it does what a high-school course needs without the color-screen premium.
What’s good:
- More capable than its price
- SAT, ACT, AP approved
- Python-ready
- No color-screen premium
Worth knowing:
- Black-and-white only
- Less online support
5. TI-30XS MultiView – Best budget scientific
The TI-30XS MultiView nails the basics for less. Four lines of textbook-style math, solar plus battery power, and SAT and ACT approval make it the default scientific for most students.
What’s good:
- Nails the basics
- Solar plus battery
- Textbook-style four lines
- Default scientific choice
Worth knowing:
- No graphing
- Not enough for higher courses
How to choose
- Check the rules first. Every model here is widely approved, but policies change, so confirm your class or test allows it.
- Graphing vs scientific. Get a graphing model only if your course actually needs graphs; otherwise a scientific calculator is lighter and cheaper.
- Stick with one. The best calculator is the one you know well, so practice on the same model you’ll use on test day.
- Screen and battery. Color is easier to read; a rechargeable battery means no dead AAAs mid-exam.
Any of these will do the job for the ACT. If you want a single safe pick, the TI-84 Plus CE is the dependable all-rounder, and the Casio fx-9750GIII is the one to grab when money is tight. Whatever you choose, get comfortable with it before it counts.
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