Changes in Version 0.2-1.1 o now uses rJython (which in turn includes jython) so jython no longer in rSymPy Changes in Version 0.1-4 o now uses jython.jar and separate sympy tree o upgraded to Jython 2.5.1 and sympy 0.6.5 o now depends on rJava 0.8-1 Changes in Version 0.1-3 o new "Sym" class with constructor Sym and methods as.character.Sym, as.expression.Sym, derive.Sym, Math.Sym, Ops.Sym, print.Sym, solve.Sym, t.Sym o new functions: Eye, Integrate, Limit, List, Matrix, Zero, Zeros o new function: Var o sympy has new retclass= argument