If you used a scientific calculator in the 1970s or 1980s, there was a fair chance that it worked differently from almost every calculator you see today. Instead of typing: There wasn’t even an equals ...

Bruce Sherwood, the co-author of Matter and Interactions, had a question for me when I saw him at the American Association of Physics Teachers conference not long ago: "What calculator do you use?" If ...

The upcoming ban on the use of calculators in most maths exams for 11-year-olds in UK schools reminds me of a persistent concern in education: when do the tools we use to learn become crutches we ...