Description: Take any positive integer. If it is even, divide it by 2. If it is odd, multiply it by 3 and add 1. This produces a new positive integer. Repeat this process, producing a sequence of ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A mathematician may have just proved the impossible possible. For 30 years, ...

The Journal of the Operational Research Society, Vol. 52, No. 5 (May, 2001), pp. 567-575 (9 pages) Several preprocessing rules to reduce integer programming problem size are proposed and examined for ...

RSM reports on exciting math competitions for students in 2025-2026, showcasing opportunities to boost skills and confidence.

She’s right—using simultaneous equations does get really complicated, and if you’d like to send me your work for the solution, I’d love to see it. But the system is also kind of a trick. Like a sudoku ...