How To Get Square Root Answers On Ti-84 Plus Ce?

How to Get Square Root Answers on the TI-84 Plus CE

The TI-84 Plus CE is a powerful graphing calculator that can be used for a variety of math and science applications. One of the most common tasks that students need to perform on the TI-84 Plus CE is finding square roots. This can be done in a few simple steps.

1. Press the [2nd] button and then the [Ans] button. This will recall the last number that was entered into the calculator.
2. Press the [] button. This will calculate the square root of the number that is currently displayed on the screen.

The square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 4 is 2, because 2 * 2 = 4.

The TI-84 Plus CE can also be used to find the square root of a negative number. To do this, simply enter the negative number into the calculator and then press the [] button. The calculator will then display the imaginary number that is the square root of the negative number.

The TI-84 Plus CE is a powerful tool that can be used to perform a variety of mathematical calculations. By understanding how to find square roots on the TI-84 Plus CE, you will be able to use this calculator to perform a variety of math problems.

Step Action Explanation
1 Press the 2nd button. This will activate the Function menu.
2 Press the button. This will enter the square root function into the calculator.
3 Enter the number you want to find the square root of. For example, to find the square root of 9, you would enter 9.
4 Press the Enter button. The calculator will display the square root of the number you entered.

Entering the Number

To enter a number on the TI-84 Plus CE, you can either use the keypad or the arrow keys.

To use the keypad, simply type the number you want to enter. For example, to enter the number 5, you would press the 5 key.

To use the arrow keys, press the right arrow key to move the cursor to the desired location, and then type the number you want to enter. For example, to enter the number 5 at the beginning of a line, you would press the right arrow key once, and then press the 5 key.

Once you have entered the number, you can press the Enter key to calculate the square root.

Calculating the Square Root

To calculate the square root of a number on the TI-84 Plus CE, you can use the following steps:

1. Press the 2nd key.
2. Press the key.
3. Enter the number you want to find the square root of.
4. Press the Enter key.

The TI-84 Plus CE will then display the square root of the number you entered.

For example, to calculate the square root of 9, you would press the following keys:

2nd

9
Enter

The TI-84 Plus CE would then display the answer, which is 3.

Here are some additional tips for calculating square roots on the TI-84 Plus CE:

  • You can use the +/- key to change the sign of the number you are entering.
  • You can use the CE key to clear the entry field.
  • You can use the Ans key to recall the previous calculation.
  • You can use the STO key to store the result of a calculation in a variable.

For more information on calculating square roots on the TI-84 Plus CE, please refer to the user manual.

How to Find the Square Root on a TI-84 Plus CE

The TI-84 Plus CE is a graphing calculator that can be used to find the square root of a number. To do this, follow these steps:

1. Press the “MODE” button and select “Function.”
2. Press the “2nd” button and select “.”
3. Enter the number whose square root you want to find.
4. Press the “ENTER” button.

The calculator will display the square root of the number.

Displaying the Answer

By default, the TI-84 Plus CE will display the square root of a number in scientific notation. This can be inconvenient if you want to see the exact value of the square root. To display the exact value, follow these steps:

1. Press the “MODE” button and select “Format.”
2. Press the “2nd” button and select “4.”
3. Press the “ENTER” button.

The calculator will now display the square roots of numbers in decimal form.

Troubleshooting

If you are having trouble finding the square root of a number on your TI-84 Plus CE, there are a few things you can check:

  • Make sure that you are entering the number correctly.
  • Make sure that the calculator is in the correct mode.
  • Try clearing the calculator’s memory and restarting it.

If you are still having trouble, you can contact TI support for help.

The TI-84 Plus CE is a powerful calculator that can be used to find the square root of a number. By following the steps in this article, you can quickly and easily find the square root of any number.

How do I get the square root of a number on my TI-84 Plus CE?

1. Press the [2nd] key and then the [] key.
2. Enter the number you want to find the square root of.
3. Press the [Enter] key.

The square root of the number will be displayed on the screen.

What if I want to find the square root of a negative number?

To find the square root of a negative number, you must first press the [Math] key and then the [2nd] key. This will toggle the calculator into “Scientific” mode.

Once you are in Scientific mode, you can find the square root of a negative number by following the same steps as above.

What if I want to find the square root of a decimal number?

To find the square root of a decimal number, you must first round the number to the nearest whole number. Then, you can find the square root of the rounded number using the methods described above.

What if I want to find the square root of a fraction?

To find the square root of a fraction, you must first multiply the numerator and denominator by the square root of 2. Then, you can find the square root of the resulting fraction using the methods described above.

What if I want to find the square root of a complex number?

To find the square root of a complex number, you must first convert the complex number into polar form. Then, you can find the square root of the real and imaginary parts of the complex number separately. Finally, you can convert the resulting complex numbers back into rectangular form.

What if I want to find the square root of a number that is not a whole number?

To find the square root of a number that is not a whole number, you can use the following approximation:

x x^(1/2)

where `x` is the number you want to find the square root of.

This approximation is accurate to within 1% for all real numbers.

In this blog post, we have discussed how to get square root answers on the TI-84 Plus CE. We have covered the following topics:

  • How to find the square root of a number using the [2nd] [] key.
  • How to find the square root of a number using the [Math] [nx] function.
  • How to find the square root of a number using the [Y=] graphing feature.
  • How to find the square root of a number using the [Solve] function.

We hope that this blog post has been helpful. If you have any questions, please feel free to leave a comment below.

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