Download HP 20B Emulator from Cached Archive (filesize 5MB) 2012.12.10 Build 19045

After installing the HP 10s Emulator. Run Emulator from Start > Programs > HP Calculators > HP 20b Virtual Calculator.

To setup the emulator to use the least space on your notebook PC screen, right click on hp logo, uncheck ‘Hide TitleBar’.

To exit Emulator, press [Blue Shift] [Off].