Works great on my gs5, on my nexus 7 the quiz questions don't show up
Excellent Great knowledge without the annoyance of ads
Very handy tnx! For this great app..deserves 5 stars :)
A great free apps Work as intended
It's really useful....
― Clarified power series expansions, thanks Earl!
― Small update to fix integral quiz on tablets
― Added integral quiz
― Updates for Lollipop devices
― Various improvements and small bug fixes
Best explained concepts to help you with Calculus include tools for calculation.