Before pocket calculators arrived in the 1970s, engineers and scientists relied on a clever sliding wooden device for multiplication and division. Its inventor was an unassuming country parson with a passion for mathematics.
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The cane was banned in state schools 40 years ago. Glad it's gone, or do kids today get off too lightly?
π³ 35 votes
Which old British coin or note do you miss most from before decimal day?
π³ 34 votes
Medieval peasants got more days off than we do β did we get the raw deal?
π³ 34 votes
