Uncover the ways Tran Duy (the company) bills you and cancel your Ncalc subscription.
Note before cancelling:
1. - All basic and advanced math functions, complex number, probability, angle, relational operations, logic operations, matrix and vector operations.
2. * Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term.
3. - Solve any equation with auto solver mode, the calculator can give symbolic roots.
4. - Support all functions of real graphing calculator 83, 84.
5. - Press MODE and select graph mode, and then press Y= to open graph editor.