The Easiest Way to Turn Off a CT-512 Calculator

Power off your calculator by pressing these buttons

Co-authored by Darlene Antonelli, MA Reviewed by Stan Kats

Last Updated: June 14, 2024 Fact Checked

The solar-powered CT-512 calculator doesn't have a Power button, so how do you turn it off? While your CT-512 will turn off automatically after a while, you can press a special combination of keys that will force your calculator to turn off immediately. Read on to learn how!

Turning Off a CT-512 Calculator

Press “÷” and then “×.” Then, press “%” followed by “Check.” Finally, press “Correct” twice.

Steps

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You'll see the "Divide" button on the right side of the calculator next to the number pad. ^{[1]
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You'll see the "Multiply" button on the right side of your calculator next to the number pad. ^{[2]
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You'll see the "Percentage" button on the right side of your calculator next to the number pad. ^{[3]
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The "Check" button is in the top left corner of your calculator. ^{[4]
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It's the button that says "Correct x" and "Delete" next to the "Check" button. ^{[5]
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After pressing it a second time, your calculator will turn off. ^{[6]
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