Onion formula | ArrayFormula - CHAR - ROUNDUP - SEQUENCE

Опубликовано: 17 Июль 2026
на канале: Google Workspace Tutorial
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In this tip, we are going to explore:
Onion formula | ArrayFormula - CHAR - ROUNDUP - SEQUENCE
All explanations are simple and to the point.

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Our mission is to generate a sequence of letters.
the CHAR function returns A for the number 65.
=CHAR(65)
By adding 1, we get the letter B, and so on.
To generate the numbers, we use this formula
=ArrayFormula(SEQUENCE(10)/2)
Here we add the number of rows that we need.
And here, the number of times the letter is repeated.
By adding the ROUNDUP function.
=ArrayFormula( ROUNDUP( SEQUENCE(10)/2))
We add the number generated by the SEQUENCE function.
=ArrayFormula(CHAR(64 + ROUNDUP( SEQUENCE(10)/2)))
And the mission is done.