Hi Sharad Use the following function in a general module. Then use =Payback(range)
See attached '================================================= Function PayBack(ByRef rng As Range) As Variant 'check that the range has only one dimension If rng.Rows.Count > 1 And rng.Columns.Count > 1 Then PayBack = "error" Else Dim t As Double 'The total value Dim t1 As Double Dim t2 As Double Dim x As Long 'cell counter Dim p As Double 'the part of the following year ' find the period Do Until t > 1 x = x + 1 t = t + rng.Cells(x).Value Loop PayBack = x - (t / rng.Cells(x).Value) End If End Function '===================================== Regards David Grugeon -- Join official facebook page of this forum @ https://www.facebook.com/discussexcel FORUM RULES (1120+ members already BANNED for violation) 1) Use concise, accurate thread titles. Poor thread titles, like Please Help, Urgent, Need Help, Formula Problem, Code Problem, and Need Advice will not get quick attention or may not be answered. 2) Don't post a question in the thread of another member. 3) Don't post questions regarding breaking or bypassing any security measure. 4) Acknowledge the responses you receive, good or bad. 5) Cross-promotion of, or links to, forums competitive to this forum in signatures are prohibited. 6) Jobs posting is not allowed. 7) Sharing copyrighted ebooks/pirated ebooks/their links is not allowed. NOTE : Don't ever post personal or confidential data in a workbook. Forum owners and members are not responsible for any loss. --- You received this message because you are subscribed to the Google Groups "MS EXCEL AND VBA MACROS" group. To post to this group, send email to excel-macros@googlegroups.com. To unsubscribe from this group, send email to excel-macros+unsubscr...@googlegroups.com.
Example.xlsm
Description: Binary data
