Professor writing on blackboard mathematical formulas with chalk. Hand writes simple arithmetic math equation on chalkboard. Two plus two equals four written on school board
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Professor writing on blackboard mathematical formulas with chalk. 2+2=4
Professor writing on blackboard mathematical formulas with chalk. 2+2=4
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| Last Update | |
| Created | 17 May 2021 |
| Audio in Preview | |
| Alpha Channel | No |
| File Size | 69.93mb |
| Preview Resolution | 960x540 |
| Frame Rate | 25 |
| Total Clip(s) Length | 0:10 |
| Looped Video | No |
| Number of Clips | 1 |
| Resolution | 3840x2160 |
| Age | |
| Color | Full Color |
| Composition | |
| Ethnicity | |
| Gender | |
| Movement | |
| No. of People | |
| Pace | Real Time |
| Recognizable Buildings | |
| Recognizable People | |
| Setting | |
| Source Audio | No |
| Video Encoding | H.264 |
| Tags | algebra, background, black, blackboard, blackboard - visual aid, board, calculate, calculation, chalk, chalkboard, chemistry, child, class, classroom, drawing, drawn, education, elementary, equation, formula, hand, handwriting, indoors, learn, learning, lesson, man, math, mathematic, mathematical, mathematical formula, number, person, physics, school, science, serious, sign, smart, solution, student, study, sum, symbol, teacher, teaching, text, university, write, writing, |