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In order to find the log with a power of ten, use the LOG button. For example, to find log105, type log(5). (The parenthesis after the g will appear when you press the LOG button.

In order to find a log with a power other than ten, you will have to divide by the log10 of that power. For example, to find log82, type log(8)/log(2).

In order to find the natural log of a number, use the LN key. For example, to find the natural log of 91, type ln(91).

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Q: How do you put log functions in a TI-84?
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Related questions

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A log is just another way to write an exponent. Log functions are used to make some very complicated computations easier.


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