A TI-89 graphing calculator is a hand-held calculator commonly used in high school Advanced Placement courses and college mathematics classes. The calculator has a display screen and a series of menus that can perform complex calculations and display the results visually. The TI-89 graphing calculator, made by Texas Instruments, can handle a variety of inputs, including converting scientific notation.

Scientific notation uses base powers of 10 instead of regular numbers. For example, 530 is written in scientific notation as 5.3 x 10^2.

- Skill level:
- Moderately Easy

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## Instructions

- 1
Press the "Mode" button.

- 2
Arrow down to the "Exponential Format" label.

- 3
Press "2" to select "Scientific."

- 4
Press "Enter" to exit the Mode screen.

- 5
Enter the large number you want to convert to scientific notation, then press "Enter." For example, if you type "50,000,000" and press "Enter," the calculator will show "5E^7" which is the same as "5x10^7."

#### Tips and warnings

- To enter a number that is already in scientific notation, simply key in "Nx10^N." For example, if you want to work with the number 5x10^6, type "5x10^6" into your calculator.