The first handheld graphing calculator, the Casio fx-7000G, appeared in 1985. Since then, graphing calculators have become a common – and controversial – tool for learning mathematics. These devices ...

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 ...

Mastering quick square root calculations boosts maths exam performance. Speed and accuracy provide a significant advantage in algebra and geometry. Memorising key square roots and using mental math ...