Amid the chaos of revolutionary France, one man’s mathematical obsession gave way to a calculation that now underpins much of mathematics and physics. The calculation, called the Fourier transform, ...

There is a function in Math called “the greatest integer function,” which finds the greatest integer that is less than or equal to a given number. The greatest integer less than or equal to 1 is 1, ...

There is a function in math called the “Greatest Integer Function,” which assigns a value to every number that is the largest integer less than or equal to that number. For example, the numbers 1, 1.2 ...