write formula

draw equation

hand

write instrument

marker pen

person write

handwritten efx

handwriting fx

scribble

scribble text

write

science calculation

theoretical physics

scientific model

math

higher mathematics

mathematician

physicist

mathematical theory

analysis

symbol

whiteboard

calculus

abstract

algebra

complexity

university education

academic

educate

learn

college student

seminar

scientist

knowledge

lecture

draw

professor

class

course

close up

closeup foley

sound effect

isolate soundfx

audio sfx

production element

imaging element

idea

wav

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