Most important keyboard shortcuts of PSPad editor that can improve your program development are:
• Alt + F1
When you press Alt + F1 while cursor positioned inside some function name, help window with full description of that function will popup.
• Ctrl + Space
When you press Ctrl + Space while cursor positioned inside part of some function name, help window with all functions, beginning with that part of name, will popup. This window contains list of matching functions with their short description. If you select some function in that list, then its name will be competed and also its possible parameters will be displayed right after function name.
• Ctrl + J
When you press Ctrl + J while cursor positioned right after part of some word, help window with all words, found in program text and beginning with that part of word, will popup. When there is only one possible ending of typed part of word to complete, pressing Ctrl + J will complete it without showing popup window.
• Ctrl + F9
Pressing this shortcut will run BEE Lisp compiler to compile current program listing
The rest keyboard shortcuts specific to PSPad editor you can find in PSPad help documentation.