- last edited on
I am trying to calculate a spelling age of students...
I need to input birth dates, date of test and a score (12 to 53)... and have a spelling age as my result.
Can anyone help please? I have attached the data that needs to be included in the calculations and included two sheets... one with the SCORE DATA and the other the spreadsheet to INPUT the information.
Thanks - David
02-18-2018 06:40 PMSolution
maybe something like this?
02-18-2018 07:12 PM
Thank you so much Detlef
You are very clever indeed.
One thing I noticed is that the values come out positive in I5/J5 when the year value is 0 but the month is actually negative. Can this be altered?
For example: if I make the score 12, the spelling age is 5.9 but the actual age is 6.4.
02-18-2018 07:45 PM
Maybe another way would be better. Calculate only in months.
And if you need to show the result in years and months then use L5 and M5.
F5 =YEARFRAC(C5,D5)*12 H5 =LOOKUP(G5,DATA!$A$4:$A$45,DATA!$B$4:$B$45)*12 J5 =H5-F5 L5 =QUOTIENT(J5,12) M5 =J5-L5*12
02-18-2018 10:28 PM
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