This is a bank of randomized exercises for the CheckIt platform. The exercises align with learning outcomes for specific precalculus skills which, in the opinion of the bank's author, are "must have" ...

If you or your kids are preparing for an advanced math or science course, you’re going to need a graphing calculator. These handy machines can process complex calculations (and simple ones), including ...

With the rapid rise and ubiquity of handheld computing devices, I sometimes have to remind myself that I’ve always had handheld computing devices of one sort or another, for as long as I can remember.