We are pleased to announce that we have significantly improved all iPhone apps, including 12C Financial Calculator, 15C Scientific Calculator, and BA Financial Calculator Pro.
We have added the following features in all apps:
1. re-layout the menu interface
2. add quick start help with one-click access
3. optimize user manual page with back and reload function
4. redesign key click sound
5. add more options like in app support access, about page, and other pages
All updates are available on app store, please check them out: