Remember to put the ROM images into the folder C:\EMU48\ROM. Press Cancel to Abort.' Then you have not properly install the ROM image. If you see this error message 'This KML Script doesn't specify the ROM to use, or the ROM could not be loaded. We have package it to toggle between: HP 38G. The engine makes use of the original ROM Calculator, that can be extracted from the Calculator to run. This emulator package uses the Emu48 Engine, a freeware for Windows 9x, ME, NT, 2000 and XP provided by Christoph Giesselink of GERMANY. Unzip the content into c:EMU48 folder and the double click EMU48.exe to run the program and select the KML Script: HP All-in-1 Graphing Calculator Emulator. You can search the internet to download these extraction software. How can I make a dump of my HP Calculator ROM? Emulators for the HP48 generally require an image of your HP's Graphic Calculator internal ROM, also known as a 'ROM Dump'.
But since year 2000, HP allowed the use of the HP38, 39, 40, 48, 49 ROM's even if you're not an owner of this calculator type. In general all HP-ROM files are copyrighted by Hewlett Packard.