Mathematical formulae on blackboard

---

Size: 5120px × 3413px
Photo credit: © Nick Higham / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: addition, algebra, analysis, answer, applied, arithmetic, black, blackboard, board, bracket, calculation, calculator, calculus, chalk, chalkboard, complex, educate, education, equation, figure, formula, formulae, formulas, fraction, function, geometry, infinity, law, learn, learning, lesson, letter, logic, logical, math, mathematical, mathematician, mathematics, maths, multiplication, nonlinear, number, numeral, numeric, numerical, numerics, pure, research, result, sum, symbol, theoretical, theory, trigonometry, white, write