Floating-point arithmetic can be expensive if you're using an integer-only processor. But floating-point values can be manipulated as integers, asa less expensive alternative. One advantage of using a ...

If you are used to writing software for modern machines, you probably don’t think much about computing something like one divided by three. Modern computers handle floating point quite well. However, ...

One of the most hotly contested teaching practices concerns a single minute of math class. This story also appeared in Mind/Shift Should teachers pull out their stopwatches and administer one-page ...