How to Do Cube Root on TI-84 Calculator
Whether you’re a student solving algebra homework, a teacher preparing class notes, or a professional using math for work, the TI-84 calculator makes finding cube roots quick and accurate.
In this guide, we’ll discuss 3 methods to get cube root on TI 84 Plus
You can practice cube root problems right now using our online TI-84 Plus CE calculator for students. It’s quick, browser-friendly, and perfect for trying out functions as you learn.
1: Use the Cube Root Symbol
- Press the MATH button.
- Select 5:ⁿ√
- Now type 3 (because cube root means 3rd root).
- Press the ► arrow (right arrow) to move ahead.
- Type the number you want the cube root of.
- Press ENTER.
Example:
To find the cube root of 64:
MATH → 5:ⁿ√ → 3 → ► → 64 → ENTER
The answer will be 4
2: Take Cube Root Using Exponents
- Type the number you want the cube root of (like 64).
- Press the caret key ^.
- Now type (1/3) in parentheses.
- Press ENTER.
Example:
To find the cube root of 64:
64 ^ (1/3) → ENTER
The answer will be 4
3: Using Root Function(For TI-84 Plus CE Only)
- Press the alpha button, then press the window key.
- Select 6:ⁿ√.
- Now type 3 (because cube root means 3rd root).
- Press the ► arrow (right arrow) to move ahead.
- Type the number you want the cube root of.
- Press ENTER.
What is a Cube Root?
The cube root of a number is the number that, when multiplied by itself three times, gives the original number.
Example: The cube root of 27 is 3, because
3 × 3 × 3 = 27
Note that the cube root of a negative number gives a negative result unlike the square root.
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