Dear OFT, I see Math function math:log() in collect but not its inverse function just like exp()function in excel. How can I implement same in collect or something I am missing? please, guide me here. Thank you very much. asked 23 Jul, 17:58 Rajkumar 
Yes, I solved the problem using pow() function. The base will be 'e' and the exponent will be the value returned by my log() function. Thank you. answered 24 Jul, 05:49 Rajkumar Thank you,
(25 Jul, 21:26)
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