0=OK
1=Function {0} processed

2000=Error, ) before (
2001=Error, ) expected

3000=Error, uninitialised variable {0}
3100=Error, LValue required,def

10000=Error, Invalid parameter type, {0} expected, found {1}
10001=Error, Insufficient parameters, function requires at least {0}
10100=Error, Function {0} not found
10101=Error, That function has not been implemented yet.

12000=Error, Value must be a square matrix
12001=Error, Matrix is singular

20000={0}