How to Use a TI-89 for Converting to Scientific Notation

Written by stephanie ellen
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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


  1. 1

    Press the "Mode" button.

  2. 2

    Arrow down to the "Exponential Format" label.

  3. 3

    Press "2" to select "Scientific."

  4. 4

    Press "Enter" to exit the Mode screen.

  5. 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.

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