Are You Allowed To Use Calculator On Act






Are You Allowed to Use Calculator on ACT? Eligibility Checker & Score Planner


ACT Calculator Eligibility & Score Planner

Determine instantly if you are allowed to use your calculator on the ACT and calculate the scoring metrics needed to reach your target.


Calculator Eligibility Checker


Select the model closest to your device.




“CAS” allows solving algebraic equations symbolically.

Target Score Planning


Please enter a score between 1 and 36.


Estimate based on your last practice test.



Assessment Result

Status: UNKNOWN

Based on standard ACT calculator policy rules regarding CAS, QWERTY keypads, and communication capabilities.

Approx. Correct Answers Needed (of 60)

Improvement Gap (Questions)

60 sec
Avg Time Per Question

Score Projection Scenarios


Scenario Target Score Correct Answers Required Max Errors Allowed

*Data is approximate based on standard ACT scoring curves.

Study Progression Path

Blue Bar: Current Score  | 
Green Bar: Target Score  | 
Gray Bar: Max Possible

What is “Are You Allowed to Use Calculator on ACT”?

The question “are you allowed to use calculator on act” refers to the strict calculator policy enforced by ACT, Inc. unlike some other standardized tests, the ACT allows calculators on the entire Math section, but not all devices are permitted. Understanding the nuances of this policy is critical for students to avoid having their calculator confiscated or their scores cancelled on test day.

This topic is primarily for high school students preparing for college admissions, parents purchasing school supplies, and tutors advising on test strategy. A common misconception is that any graphing calculator is allowed; however, models with Computer Algebra Systems (CAS) or QWERTY keypads are strictly prohibited because they can solve equations symbolically, giving students an unfair advantage.

ACT Math Scoring Formula and Calculator Logic

While the eligibility of a calculator is a binary “Allowed” or “Prohibited” decision based on features, the scoring strategy involving your calculator relies on the ACT Math raw-to-scale score conversion.

The scoring formula generally follows a curve where your Raw Score (number of correct answers out of 60) maps to a Scale Score (1-36). There is no penalty for guessing, which means your calculator strategy should focus on speed and accuracy for questions you know, rather than leaving blanks.

Key Variables in Strategy

Variable Meaning Unit Typical Range
Raw Score Total questions answered correctly Questions 0 – 60
Scale Score The final score reported to colleges Points 1 – 36
CAS Feature Computer Algebra System (Symbolic Math) Boolean Yes / No
Time Per Question Average time allowed to solve one problem Seconds 60 sec

Practical Examples of Calculator Policies

Example 1: The TI-84 Plus User

Scenario: Sarah brings a standard TI-84 Plus CE. She wonders, “are you allowed to use calculator on act” if it has color screens and rechargeable batteries.
Verdict: ALLOWED. The TI-84 family does not have CAS (Computer Algebra System) and does not have a QWERTY keypad. It is the most common calculator used.

Example 2: The TI-89 Titanium User

Scenario: Mike tries to bring his brother’s engineering calculator, a TI-89 Titanium.
Verdict: PROHIBITED. This model includes built-in CAS functionality, which allows it to factor polynomials and solve for variables symbolically. Proctors will not allow this device.

How to Use This Calculator Policy Tool

  1. Select Your Model: Choose your specific calculator model from the dropdown list. If yours isn’t listed, choose “Other” or look for similar features.
  2. Check Features: Manually verify if your device has a QWERTY keypad (like a computer keyboard) or CAS capabilities. Check these boxes if true.
  3. Set Score Goals: Enter your target ACT Math score (e.g., 30) and your current practice score.
  4. Analyze Results: The tool will instantly tell you if you are allowed to use calculator on act for your specific device and calculate how many more questions you need to get correct to reach your goal.

Key Factors That Affect Calculator Eligibility

When asking “are you allowed to use calculator on act,” consider these six critical factors:

  • Computer Algebra System (CAS): Any device that can perform symbolic algebra (e.g., expanding (x+y)^2 to x^2 + 2xy + y^2 automatically) is banned. This is the #1 reason for disqualification.
  • QWERTY Keypad: Calculators with letter keys arranged like a standard keyboard are prohibited because they resemble communication devices or computers.
  • Internet/Bluetooth Accessibility: Devices that can communicate wirelessly must have those features disabled, but phones and tablets are universally banned regardless of “Airplane Mode.”
  • Power Source: While not a ban factor, calculators requiring an external power outlet are not feasible. Battery-operated devices are standard.
  • Noise: A calculator that beeps or talks is not allowed as it disturbs other test-takers. You must mute your device.
  • Paper Tape: Older calculators that print onto paper tape are technically allowed if the paper is removed, but generally discouraged due to hassle.

Frequently Asked Questions (FAQ)

Q: Are you allowed to use calculator on ACT Science section?
No. The calculator is only permitted for the Math section. You must put it away during English, Reading, and Science tests.

Q: Can I use a TI-Nspire?
It depends. The standard TI-Nspire (CX or non-CX) is allowed. However, the TI-Nspire CAS models are strictly prohibited. Look for “CAS” in the model name.

Q: What happens if my calculator battery dies?
Test centers do not provide replacements. You are allowed to bring a backup calculator or extra batteries, but they must be stored under your desk until needed.

Q: Are you allowed to use calculator on ACT if it has programs on it?
Generally, yes. You are not required to clear your memory before the test unless your programs violate specific rules (like extensive text documents). However, relying on programs can slow you down.

Q: Can I use the calculator on my iPhone?
Absolutely not. All cell phones, smartwatches, and tablets are prohibited, even if used solely as a calculator.

Q: Is the HP Prime allowed?
The HP Prime is allowed only if it is in “Exam Mode” with CAS features disabled, though interpretation varies by proctor. It is safer to stick to clearly permitted lists like the TI-84 or Casio fx-9750.

Q: How many questions can I miss to get a 30?
To score a 30 on ACT Math, you typically need a raw score of about 50-51 out of 60. This means you can miss roughly 9 or 10 questions.

Q: Should I buy a new calculator for the ACT?
Only if your current one is prohibited. It is far better to use a simple calculator you are familiar with than a complex one you bought the day before the test.

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