Try this:

=MAX(69-CODE(UPPER(A1)),0)+(LEN(A1)=2)*0.5


"Ron" wrote:

I want to take a table that shows text in a column for several rows, but the
text in each row represents a number that I can average?
Here's the table - If I want the A+ to represent a number when O enter A+,
how do I do that?:
A+ 4.5
A 4
B+ 3.5
B 3
C+ 2.5
C 2
D+ 1.5
D 1
F 0