Back to being a five-star tool

Used this calculator every day until I upgraded to iOS 10. Now it not only doesnt work, it freezes my iPhone 6 and I have to do a hard reset to get the phone working again. Too bad. I liked this app. I wont delete it yet, in the hope that the developer issues an update. But Im not holding my breath. its been three years at least since the last one. If there is a fix, Ill update this review.
UPDATE: Developers released an update that partially restores the app. It isnt quite as intuitive as before, but Im sure Ill get used to the changes. The currency converter is not working, which is too bad, as that is one of the modules I used regularly. When that is restored, Ill update a third time with 5 stars, if it is working properly.
UPDATE: Currency converter is fixed. All is good. Very useful multi-function tool. Much more than a calculator. Highly recommended.

Bitter Vetch about ▸ Calculator +, v5.1