Apple

It's available on iPhone, iPad, and macOS - and one purchase unlocks it on all platforms. It receives regular updates, and has done for over the over 6 years it's been available

For the next 24 hours, the app is 50% off from it's normal price of $7.99 ($3.99)

If you do take advantage of the offer, a rating and review in the App Store would be hugely appreciated. It really does make a huge difference!

https://jacobdoescode.com/technicalc

https://apps.apple.com/gb/app/technicalc-calculator/id1504965415