Looking for free software to solve math problems?

[online5661]

Hi.
Do you know any free software to solve math probelm ? Free trial version if available is also fine. My company I now work for has them but I want to use them at home when I feel like using them.
I dont' have money to buy mathamtica/matlab.
thanks

 

[PerennialII]

A while ago Graphic7 came across this alternative (which am currently seeing as a pretty viable one):

https://www.physicsforums.com/showthread.php?t=73462