This is very powerfull 16-digit calculator with 10 preloadable memories and 4 programmable keys. Include own "key-interpreter", what give you escape to programme any tasks, formulas and "alias" as programm key. In your programm you can use another program key. This is Java program (GUI) and you can start it on any system with Java Virtuar ... Krum Cheshmedjiev (download page)
