In this brief intro to the august haese and harris mathematics book, that contains much material for students in the year 11, year 12 and first year university level, you may discover a little bit about complex numbers, imaginary numbers, real numbers, and some interesting bits on argand plane also. Do update yourself further upon mathematics as it is the language of science.
International Baccalaureate (IB) – Haese Mathematics
Surface tension – Wikipedia

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