Ключевые слова: 3d, abstract, algebra, approach, background, black, business, calculate, calculation, classroom, complex, computer, data, design, display, education, equation, formula, geometry, home, illustration, job, keyboard, laptop, math, mathematical, mathematics, monitor, notebook, occupation, pc, physics, problem, professor, proof, quiz, rendering, research, room, school, science, scientific, screen, seminar, sketch, solution, student, study, theory, wisdom,