math.frexp

Return the mantissa and exponent of num, two numbers ${\displaystyle m}$ and ${\displaystyle e}$ such that ${\displaystyle {\text{num}}=2m^{e}}$

ExampleDecompose user input input
Read a line from the user, then print the mantissa and exponent of the number they entered.
Code	<nowiki> print(math.frexp(tonumber(read()))) </nowiki>
Output	Depends on what the user wrote. For instance, if they were to enter 5, the numbers printed would be 0.625 3.

math.frexp Function
Syntax math.frexp( num : number )
Returns	number mantissa, number exponent
API	math
Source	Lua (source)