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burr2
Author:
tom burr
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Square Matrix Calculator
z`]]
Untitled
Erdős's problem #503, n=3
bewijs stelling van Pythagoras
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Using a Protractor
vectors_fixed
Parametric Surfaces with normal
design
traces of... stars
Yela Base
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Complex Numbers
Algebra
Trigonometric Functions
LCM and GCD
Quadrilaterals