How To Find Cube Root On Ti84 Plus?
How to Find the Cube Root on a TI84 Plus
The TI84 Plus is a popular graphing calculator that is used by students in high school and college. It has a variety of features, including the ability to find the cube root of a number. This can be a useful skill for students to have, as it can be used to solve problems in math, science, and engineering.
In this article, we will show you how to find the cube root of a number on a TI84 Plus. We will also provide some tips on how to use this function effectively.
Steps to Find the Cube Root on a TI84 Plus
1. Press the Y= button to enter the Y= editor.
2. Type the expression 3x, where x is the number whose cube root you want to find.
3. Press the Enter button.
The TI84 Plus will display the cube root of x on the screen.
Tips for Using the Cube Root Function
 The cube root function can be used to find the cube root of any real number.
 The cube root function can also be used to find the cube root of a negative number. However, the result will be a complex number.
 The cube root function can be used to solve equations that involve cube roots. For example, the equation x = 8 can be solved by using the cube root function to find the value of x.
The cube root function is a powerful tool that can be used to solve a variety of problems. By understanding how to use this function, you can improve your math skills and solve problems more efficiently.
“`html
Step  Instructions  Example 

1  Enter the number you want to find the cube root of.  125 
2  Press the 2nd button and then the button. 
2nd

3  Enter the number 3.  3 
4  Press the Enter button. 
Enter 
5  The cube root of the number will be displayed on the screen.  5 
“`
What is the cube root function?
The cube root function is a mathematical function that returns the cube root of a number. In other words, it returns the number that, when multiplied by itself three times, gives the original number. For example, the cube root of 8 is 2, because 2 2 2 = 8.
The cube root function is denoted by the symbol . So, to find the cube root of a number, you would type (number). For example, to find the cube root of 8, you would type (8).
The cube root function is available on most scientific calculators, including the TI84 Plus. To find the cube root of a number on the TI84 Plus, you would follow these steps:
1. Press the [2nd] key.
2. Press the [] key.
3. Type the number whose cube root you want to find.
4. Press the [Enter] key.
The TI84 Plus will then display the cube root of the number.
How to find the cube root of a number on the TI84 Plus?
To find the cube root of a number on the TI84 Plus, you would follow these steps:
1. Press the [2nd] key.
2. Press the [] key.
3. Type the number whose cube root you want to find.
4. Press the [Enter] key.
The TI84 Plus will then display the cube root of the number.
For example, to find the cube root of 8, you would follow these steps:
1. Press the [2nd] key.
2. Press the [] key.
3. Type 8.
4. Press the [Enter] key.
The TI84 Plus will then display the answer, 2.
Examples of Finding the Cube Root of a Number on the TI84 Plus
Here are some examples of how to find the cube root of a number on the TI84 Plus:
 Example 1: Find the cube root of 8.
To find the cube root of 8, you would enter the following into your calculator:
“`
38
“`
The calculator will then display the answer, which is 2.
 Example 2: Find the cube root of 27.
To find the cube root of 27, you would enter the following into your calculator:
“`
327
“`
The calculator will then display the answer, which is 3.
 Example 3: Find the cube root of 8.
To find the cube root of 8, you would enter the following into your calculator:
“`
38
“`
The calculator will then display the answer, which is 2.
 Example 4: Find the cube root of 125.
To find the cube root of 125, you would enter the following into your calculator:
“`
3125
“`
The calculator will then display the answer, which is 5.
Tips and Tricks for Finding the Cube Root of a Number on the TI84 Plus
Here are some tips and tricks for finding the cube root of a number on the TI84 Plus:
 Use the Math menu. The Math menu contains a number of functions that can be used to find the cube root of a number, including 3, n, and x^y.
 Use the PRGM menu. The PRGM menu contains a number of programs that can be used to find the cube root of a number, including cubert and cbrt.
 Use the CATALOG menu. The CATALOG menu contains a number of calculators that can be used to find the cube root of a number, including CUBE and CBRT.
Here are some additional tips for finding the cube root of a number on the TI84 Plus:
 Be careful of negative numbers. The cube root of a negative number is always imaginary. If you enter a negative number into the calculator, the calculator will display an error message.
 Be careful of rounding errors. The cube root of a number can be rounded to a certain number of decimal places. If you need to find the exact value of the cube root, you may need to use a different calculator or method.
The TI84 Plus is a powerful calculator that can be used to find the cube root of a number. There are a number of ways to find the cube root of a number on the TI84 Plus, including using the Math menu, the PRGM menu, and the CATALOG menu. You can also use the GRAPH screen to find the cube root of a number.
How do I find the cube root of a number on a TI84 Plus?
1. Press the Math button.
2. Select Advanced.
3. Select Cube Root.
4. Enter the number you want to find the cube root of.
5. Press Enter.
What if the number I want to find the cube root of is negative?
If the number you want to find the cube root of is negative, you will need to use the Math button and select Imaginary before selecting Cube Root.
What if the number I want to find the cube root of is a decimal?
If the number you want to find the cube root of is a decimal, you will need to enter it into the calculator using scientific notation. For example, if you want to find the cube root of 2.718, you would enter it as 2.718e1.
What if I want to find the cube root of a number that is not a whole number?
If you want to find the cube root of a number that is not a whole number, you will need to use the Decimal button to display the answer in decimal form. For example, the cube root of 27 is 3.605551275463989, so if you want to display the answer in decimal form, you would press the Decimal button after pressing Enter.
What if I want to find the cube root of a number that is irrational?
If you want to find the cube root of a number that is irrational, you will need to use the Math button and select Number before selecting Cube Root. This will allow you to enter the number as a fraction. For example, the cube root of 2 is approximately 1.2599210498948732, so if you want to enter it as a fraction, you would enter it as 12599210498948732/10000000000000000.
In this blog post, we have discussed how to find the cube root on a TI84 Plus calculator. We first discussed the different methods for finding cube roots, including the radical method, the exponent method, and the calculator method. We then provided stepbystep instructions on how to use each method to find the cube root of a number. Finally, we concluded by discussing some of the advantages and disadvantages of each method.
We hope that this blog post has been helpful in teaching you how to find cube roots on a TI84 Plus calculator. If you have any questions or comments, please feel free to leave them below.
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