complexity, math, complex
squares, black, dark
approximation, backdrop, background
cube, geometry, shape
pencil, checkmark, school supplies
mathematics, numbers, school
fractal, julia set, design
math, symbols, drawings
statue, pythagoras, math
sphere, math, molecule
ruler, maths, equipment
abstract, fractal, closeup
number, one, 1
back to school, doodle, pattern
fractal, spiral, geometry
numbers, math, counting