NumWorks: press the keys yourself; screens recorded on the official NumWorks emulator, software 26.3. TI-Nspire CX II: steps from its guidebook, simplified screens with computed values.
Also free: the differential calculus GDC guide (PDF).
on your calculator
Every calculator move Paper 2 asks for, key by key, with what to write on your paper before and after. Try the first moves free; Excellence opens them all.
NumWorks: press the keys yourself; screens recorded on the official NumWorks emulator, software 26.3. TI-Nspire CX II: steps from its guidebook, simplified screens with computed values.
Also free: the differential calculus GDC guide (PDF).