If you want to say something should be available 24 hours a day, 7 days a week, you mean 24×7 not 24/7, which is approximately half a week.
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@kevlinhenney To be fair, I wasn’t taught “/” means division in math class. The symbol we used was “÷”
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@stilkov But you were taught fractions — recently reminded of this as my children are going through different stages of learning fractions.
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Replying to @KevlinHenney
@kevlinhenney Yes, but never using a slash. First time I encountered that might well have been in my first computer program.

Jan 10, 2014 · 2:31 PM UTC

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Replying to @stilkov
@stilkov Interesting. I wonder if it's a matter of typography (more convenient to use / on typewriter than compose ÷) or of locale?