Version 1.9.0.998 is available upstream. Please consider updating! It seems that version 1.9.0.998 is available upstream, while the latest version in the Gentoo tree is 1.9.0.995-r2. You think this warning is false? Read more about it here.
Giac is a free computer algebra system that can be used to perform
computer algebra, function graphs, interactive geometry (2-d and
3-d), spreadsheet and statistics, programmation. It may be used as
a replacement for high end graphic calculators for example on
netbooks (for about the same price as a calculator but with much
more performances).