ChatterBank6 mins ago
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I was taught to use them in my first year of secondary school 1976/77.
We were the last year, those who followed us used calculators as it was decided that they were then cheap enough to be accessible to all.
Personally I think that on the whole it was a good thing because it allowed a lot more people to look at actual mathematics without getting too bogged down in tedius mechanical arithmetic. Mind you there were (and still are) the mindless abusers who insist on doing things like quoting answers to 9 decimal places in inapproprite circumstances and writing down whatever appeared in the box without thinking about whether it made sense.
Probably went on to become statisticians