Math video lessons [e t r a p e z][PL]

Language: Polish
One archive with all lessons, created in 7zip

Type of file : mp4 video file
Frame: 1280x720
Frame rate : 15 frames/second
Audio : stereo, 44 kHz

Lessons: Complex numbers, Limits of sequences, Derivatives, Matrices,
Analytical geometry, Functions of several variables,
Indefinite integrals, integrals, double and triple integrals.

To every section are attached exercises, and scores of every one in .pdf files.

Videos of lessons are very understandable, because everything is done step by step.