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Dear all, I recently re-installed Mathematica 10.3.1.0 on Mac OSx x86. If I type any command and press SHIFT+ENTER, no output is produced, please see the screenshot below. Do you know why this is happening? Thank you! ![No output is produced...
Thank you.
@ Jim Baldwin: Sure, I revised the question for clarity, and provided an explicit example. Note that in this example defining the constants as rational number does not solve the problem.