How number systems shape our thinking, and what this means for learning, language and culture

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't ...
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Learning REDUCE in Excel completely changed how I use spreadsheets

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...