Here’s another program by Class’67. This one is clearly useful for RF engineering (including many formulae I haven’t seen for a very long time). It is based around arithmetic with complex numbers so it may also be of interest to other engineers that deal with waves or use complex numbers, or to mathematicians generally. Continue reading HP-67 Power Waves Program →

Here’s a program from a contributor, Class’67. It does high precision base conversions. In his words: Continue reading HP-67 Program – Binary View by Class’67 →