1) I would like to see the possbility of color-coding the assumed variables (insteas of the ~ postfix or a text). Expressions with a lot of ~ are soon illegible, and anyway cannot be easily published. Color seems an obvious possibility.

2) I would also like to see an "execute worksheet up to cursor" option. This would be useful to test modifications of long worksheets, where performing a manual selection is cumbersome. Such an option is common in debuggers, for instance.

3) It would be useful to be able to create - in a simple and well-documented way - variables with a subscript index which is not interpreted as the component of an array. I am thinking of physical quantities like epsilon_0, mu_0, T_melting, etc..., which are not usually understood as being part of an array.

4) It would be useful to be able to get rid of "exotic" mathematical constants. This is in particular directed at gamma. Granted, this is the standard notation for Euler's constant. But is is a much more common notation for the angle of a triangle!!!. Getting rid of all the "ballast" associated to the definition of gamma may be tricky.

Thanks for your comments,

P. Weiss