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I just had to tell someone...
Hi,
Myself and a colleague have been trying to work out how to calculate the number of years it will take to achieve a target value (which grows at a seperate slower rate) given a pre-defined start value and fixed growth using a single formula and just did it...and really felt the need to tell someone!! Start Value B4 = 14216 Growth Rate B5 = 1.07 Target Value B6 = 17750 Growth Rate B7 = 1.02 Duration: =LOG(((B6*B7^B10)/B4),B5) Am sure there are better ways and any high school student could have done this but we're old so we feel dead chuffed!! Anyway, glad to get that out of the system :-) Best Regards, CalumMurdo Kennedy |