Policies emerging from the two state consortia developing common-core assessments would set limits on the devices' use, and likely influence classroom practice.

Instead of trying to work out the calculations yourself with a pen and paper, try these free, easy-to-use online calculators for figuring out everything from mortgage payments to retirement savings.

A new position statement by the National Council of Teachers of Mathematics on the use of calculators in math classrooms emphasizes a “balance” between the electronic aids and paper-and-pencil ...