Advanced Calculator Application for ubuntu.

[kio_http]

Any advanced mathematical tools like Microsoft Maths 4.0 (http://www.microsoft.com/education/products/student/math/default.aspx)available for linux?

[wewantutopia]

I use EXTCALC.

It's in the repositories.

[red_Marvin]

Depending on what you want you could also get octave, combined with gnuplot for graphing if you want that.

[juancarlospaco]

Octave, SCI-Lab, WxMaxima, Python