The ultimate emulator and code analyzer for HP LED calculators – free download.
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This stunning PC utility reveals the inner secrets of these old calculators. It enables you to understand “how it was done” and how the mathematics worked. The ACT Analyzer executes the original ROM microcode of the calculator, shows how the registers change and also allows you to manipulate them.
The ACT Analyzer is free for download and is written for Windows XP/7/8/10 with .NET 3.5.
Download: ACT Analyzer · Read the ACT Analyzer Manual for a comprehensive overview.