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[04:20] Decorative and/or informative science photos and graphic arts (I have e. g. a Periodic Table in my bedroom), again with Bob Crawford's great jazz! The posters are available worldwide. · 30.06.2011 03:10
[15:24] Partial Differential Equations and Fourier Series, Fourier Series, periodic functions, sines and cosine functions, period, and fundamental frequencies, inner products (dot products), orthogonal, · 07.09.2011 18:55