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$log10
Determines which exponent of base 10 yields a given value.
Syntax
$log10(number)Parameters
| number | a positive number or an expression that evaluates to a positive number |
Return Value
Number, with the same number of decimal places as number.
Example
let var1=$log10(100)
The above expression means “the exponent of base 10 that yields the value 100” and evaluates to 2.
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