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The simple Excel function that decides if your formula spills or returns one value

For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...
BBC

KS1 / KS2 Maths: Calculations - How to use arrays to multiply

Voiceover: In a world without maths,a land where people forgot, who will save the day? Mr Sharma: Errrrr, Ooooo…1, 2, 3, 4, 5, where’s the next box? Aww why can ...