Dear Marco, Thank you for your response.

I followed your suggestions from Wolfram as well, problem persists with step by step procedure, though! I had cleared cache and temp folders. Most of the time step by step procedure is showing blank window or just a semicolon(:)

Could you please execute this instruction and send me step by step procedure? Pl see attached file as well.

Integrate (z|z|^(1.1-2)e^(-|z|^1.1)) from z = -infinity to infinity

Integrate (z|z|^(1.1-2)e^(-|z|^1.1)) from z = -10000 to 10000

Integrate (z|z|^(2.1-2)e^(-|z|^2.1)) from z = -100 to 100

I guess, normally step by step procedure is not available for all functions. However, atleast for the middle equation I could see step by step procedure, ONLY once.There after I have been trying the same expression without any success. I need this result for my work. Usually I take a snapshot of some useful result. I felt I shall try again, but the result of step by step procedure does not appear any more. Only a blank screen with a : symbol is seen. Could you please help me troubleshoot the problem if a ":" symbol appears in step by step procedure.?

Everytime I am clearing cache, browser history, temp files etc. Still I am unable to see the result another time.

Please help me use PRO to its potential.

Looking forward to your response,

Best, Siva Ram Krishna

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