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 ...

Ravi S. Kulkarni, An Arithmetic-Geometric Method in the Study of the Subgroups of the Modular Group, American Journal of Mathematics, Vol. 113, No. 6 (Dec., 1991), pp. 1053-1133 ...

Asha K. Jitendra, Danielle N. Dupuis, Anne F. Zaslofsky, Curriculum-Based Measurement and Standards-Based Mathematics: Monitoring the Arithmetic Word Problem-Solving Performance of Third-Grade ...

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 ...

Our Research Both algebraic and arithmetic geometry are concerned with the study of solution sets of systems of polynomial equations. Algebraic geometry deals primarily with solutions lying in an ...