*Ability to continue operations 
(if you push 4+2-3 it will add after you push the - it will Equal() than set 6 to $one and continue calculation with 6-3)

*Fix imainary numbers.(Provide a actually implementation)

*Figure a solution for the sqrt than sq off by 1 calculations (bug)

*Add some type of compressed libary to store the images

*Include tool to make a compressed (Theme/Skinning) Libary

*Fix updater to download files (aka images)

*Have hotkeys only active when the calculator is the active window.

*Math Error needs to be stripped when a number or operator is pressed