A person typed some numbers in column A (line 2 to line 10)
then in line 12 she wanted to show the maximum number in the column
to show that value, the only formula I know is .. =MAX(B6:B30)
However, she used the following formula:
=R:R+MAX(B6:B30)
can any one tell me what the "R:R" stands for? and why there is a plus mark?
Thank you
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