An improved UI with more customizable features would be nice (I.E. more keyboard and layout options). It would also be nice if more graphing functionality was added. Overall a handy calculator :)
New structured programming commands ( If.. else.. endif , while.. endw , repeat.. until ).
The Sample programs have been updated with structured commands.
Line numbers are included when you view the content of a program.
New copy, cut and paste edit functions.
New logical operators: "and","or". New logical "Not" function. Improved "If" program command.
Excellent scientific calculator with expressions, fractions, repeating decimals.