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Mathematics science, geometry concept. Man scientist having an idea, theory. Male teacher explaining information. Scientific research and innovation.
Scientist people research science mathematics, researchers writing math formulas
Young Muslim female teacher with hijab and headphones teaching online courses or a businesswoman hosting an online meeting
Fourier transform (FT). Integral transformation converting the signal between the time and frequency domain using harmonic sine and cosine signals. Vector infographics isolated on a white background.
Young female teacher teaching online courses on a computer monitor, e-learning concept
Calculator Small Icon Flat
Concept of mathematical knowledge with figures escaping from a pencil.
Exponential function and linear function in a graph or chart isolated on white.
Young Muslim female teacher with hijab and headphones teaching online courses on a computer monitor, e-learning concept
vector illustration of afro-american school girl in uniform. Confused student
Ancient Rome characters set
Young Muslim woman teacher with hijab and headphones is remotely teaching math (online class) using laptop and camera and whiteboard at home (classroom), e-learning and telecommuting concept