a mathematician using a compass to measure the circumference of a circle on a chalkboard, symbolizing the study of geometry and mathematics
Schlüsselwörter
mathematician,
using,
compass,
measure,
circumference,
circle,
blackboard,
study,
geometry,
mathematic,
radar,
technology,
screen,
illustration,
space,
light,
design,
fractal,
sonar,
pattern,
blue,
military,
computer,
vector,
green,
aeroplane,
wallpaper,
system,
black,
army,
digital,
technical,
target,
colours
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