This Olympiad-style exponential problem looks simple at first — until you try solving it. Test your skills and see if you can crack it before I walk through the clever solution step-by-step. Surfers ...

Abstract: Exponential functions are essential in many areas of science and engineering. Fast and efficient computing of such functions in multiple floating-point formats is a complex task for all ...

Move modules into chebyfit package. Add Python wrapper for _chebyfit C extension module. Fix static analysis issues in _chebyfit.c.

The solution of the nonlinear differential equation Y″ = F(x, Y, Y′) with two-point boundary conditions is approximated by a quintic or cubic spline function y(x). The method is well suited to ...

Emily Sharp and Kunal Nabar collaborate on a puzzle that’s greater than the sum of its parts. By Caitlin Lovinger Jump to: Tricky Clues | Today’s Theme SUNDAY PUZZLE — Will Shortz, in his print ...

Storytelling and mathematics don’t naturally go together. The best way to spark a discussion about a math topic in a classroom can be unpopular with many students: solving word problems. Word problems ...

In Central Falls, R.I., teachers are trying new strategies that move away from focusing on “key words,” the traditional, simplistic approach that often leads younger students astray CENTRAL FALLS, R.I ...

If Christmas is (alas) a time for a materialist blowout, January is often a time for rueful reflection. Should we really have bought all that soon-to-be-landfill for each other? The answer, as I have ...