Alpha Channel: No, Looped Video: No, Frame Rate: 29.97, Resolution: 1920x1080, Video Encoding: Photo JPEG, File Size: 186mb, Number of Clips: 1, Total Clip(s) Length: 2:35

The man wrote in Notepad mathematical formula black felt-tip pen. Hello! This video was for you!

Video on the theme of education and training to learning. You can use this video broadcast and theme presentations at school and University, studying mathematics and geometry, physics and chemistry. Make your project better!

1920×1080

Frame Rate 29.97

Duration – 2:35