One of my fellow contributors here recently wrote a post about leap years and why we have them. This reminded me of modular arithmetic and the formula for calculating the day of the week for any ...

By Azara Lavia In an effort to boost student performance in mathematics in Antigua and Barbuda and across the Caribbean, the ...

Modular arithmetic, even when disguised as a rounding problem, can be just as simple, if not simpler. The technique discussed here works for any constant N , delivers solutions even when x has 32 or ...

Here's why math fact fluency matters, and what we know from research about teaching strategies and timed exercises.

W. T. Stallings, T. L. Boullion, Computation of Pseudoinverse Matrices Using Residue Arithmetic, SIAM Review, Vol. 14, No. 1 (Jan., 1972), pp. 152-163 ...

A artist's rendering of Ultra Safe Nuclear Corp.'s $232 million micro-modular reactor assembly plant in Gadsden, to be operational by 2027. (City of Gadsden) ...