Excel select a value from a cell having row number calculated

Question

In column A i have numbers calculated like so:

[A]
[1]
[2]
[3]
[4]
[1]
[2]
[3]
...

In column K I have values:

[row] [K]
[ 1 ]         


        

Answer 1

You could use the INDIRECT function. This takes a string and converts it into a range

More info here

=INDIRECT("K"&A2)

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But it's preferable to use INDEX as it is less volatile.

=INDEX(K:K,A2)

This returns a value or the reference to a value from within a table or range

More info here

Put either function into cell B2 and fill down.