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Squaring the Circle

Author: Barrie Galpin

Labels: Matematikens historia, Geometri

The classic geometry problem of "squaring the circle"

Moving from Degrees to Radians

Author: Nevil Hopley

Labels: Bråk, Decimaltal, Vinklar, Matematikens historia, Trigonometri

Measuring angles using degrees and radians (both decimals and fractions of π).