mathematical, physical, algebraic formulas and expressions. The scientific, vector background is hand-drawn on a white board.
Palabras clave
algebra,
geometry,
mathematic,
background,
formula,
education,
calculation,
doodle,
drawing,
equation,
expression,
handwriting,
mathematical,
mathematic,
number,
physical,
physics,
school,
science,
scientific,
solution,
study,
symbol,
university,
white,
writing,
blackboard,
blackboard,
illustration,
pattern,
signs,
vignetting,
vector,
board,
research,
laboratory,
technology,
texture,
black,
chemistry,
drawn,
icon,
teacher,
complex,
chalk,
discovery,
endless,
hand,
design
){kind=link}