[david_allison]

They put their "step-by-step" explanations behind a [login/pay]wall which made it significantly less useful.

Out of sight, out of mind. It's still there

[vadfa]

I think they've always been like that.

Good thing is, they have a montly cost, but the mobile app you just buy once and it works forever. And it's not that expensive iirc.

[david_allison]

Step by step solutions were free around 9/10 years ago

[dotancohen]

  > They put their "step-by-step" explanations behind a [login/pay]wall which made it significantly less useful.

Maybe, but what else can do step-by-step explanations? Perhaps octave?

[fisian]

SymPy Gamma, for example: https://www.sympygamma.com/input/?i=diff%28a**%285*x**2%29%2...

[sva_]

https://www.google.com/search?q=Mathematica_12.3.1

https://github.com/metowolf/mathematica-keygen/blob/master/i...