I don’t know how similar they are to the old version you like so much, but https://en.wikipedia.org/wiki/Microsoft_Math_Solver https://en.wikipedia.org/wiki/Mic

I don’t know how similar they are to the old version you like so much, but https://en.wikipedia.org/wiki/Microsoft_Math_Solver https://en.wikipedia.org/wiki/Microsoft_Math_Solver says it’s a mobile app now, and that there’s a web version at https://math.microsoft.com https://math.microsoft.com