On a calculator it is the log button. Solving Log Equations There are two basic forms for solving logarithmic equations. Start now for free.
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Log a x y is the same as a y x. A logarithm log for short is actually just an exponent in a different form. It is how many times we need to use 10 in a multiplication to get our desired number. It is handy because it tells you how big the number is in decimal how many times you need to use 10 in a multiplication.