To celebrate my calculator app PCalc turning 30 today, I've written up all the history I can still remember:

There's also a rare 30%-off sale, which runs until midnight tonight, PST:



A big thanks to everybody who has used PCalc during the last three decades!

I never bought PCalc but for as long I’ve been following the Apple story, PCalc always was somewhere to be seen in a magazine, on the web or an App Store. What a great way to learn, explore over the years.