New answers tagged wolfram-alpha
As you found out, Wolfram Alpha (unlike Mathematica) assumes that ab is a product even if there is no space or multiplication sign between a and b. So you can't use "ab" or "ba" as a variable name. But this does not mean you are restricted to a..z, A..Z for variable names. You can still use: alpha, beta, gamma... example indexed variables x_1, x_2, ...
Top 50 recent answers are included