Meghan is an associate editor with EdTech. She enjoys coffee, cats and science fiction TV. From the abacus to the slide rule, tools for calculating have been around since ancient times. But it wasn’t ...

Add Yahoo as a preferred source to see more of our stories on Google. The Texas Instruments TI-30 calculator retailed for $24.95 in 1976 at O’Neil's department store in Akron. Look, I’ve never been ...

Look, I’ve never been good at math. I still get palpitations when I think about how my fifth grade teacher at Portage Path Elementary School made us do arithmetic on an overhead projector in front of ...