Hi Guys,
I'm not sure if this is possible due to circular references, but I have two columns A & B
Column B contains a letter entered by the user
Column A contains a number to be calculated by a formula. The number will be the same for each letter entered by the user.
What I'd like to happen is
User enters letter in column B.
Formula in column A takes that values and sees if it has already been used elsewhere in column B. If so it returns the corresponding value from column A.
If not then it returns the max value of Column A + 1
I've attached a picture to illustrate.
2018-07-17 10_50_38-Microsoft Excel - Book1.jpg
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