Tangibly related, but I enjoy remembering my GCSE (an exam taken in the UK at 16 as you leave compulsory education) Maths teachers telling us “you won’t always have a calculator in your pocket”. I guess they were half right, in a way? It’s not a calculator, but it does have a calculator alongside access to the entirety of human knowledge.

On the other side of the coin, while I enjoy this memory I do think it’s a shame how lacking most people’s mental arithmetic skills are… and indeed their understanding of some basic mathematical constructs, like multiplication being commutative, but I suppose that’s not the calculators fault.