[giac] fixed some inputs to giac.js

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24444 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] various fixes, including 10^32

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24445 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Intersection curve tool : plane/polyhedron

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24446 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Pick only outline for intersection tool

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24447 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e