Excel can solve equations through several of its mathematical functions, but the single Excel tool that works on the largest variety of equations is the program's Solver Add-in.

Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

Solving systems of linear equations. Use and application of matrices including inverses, determinants, eigenvalues and eigenvectors. Solving difference equations. Differential and integral calculus ...

James R. Bunch, Linda Kaufman, Some Stable Methods for Calculating Inertia and Solving Symmetric Linear Systems, Mathematics of Computation, Vol. 31, No. 137 (Jan ...