• Divine Proportions: Rational Trigonometry to Universal Geometry is a 2005 book by the mathematician Norman J. Wildberger on a proposed alternative approach...
    12 KB (1,430 words) - 07:40, 18 February 2025
  • Twist (rational trigonometry), in Wildberger's Divine Proportions: Rational Trigonometry to Universal Geometry Twist (screw theory), in applied mathematics...
    5 KB (671 words) - 20:23, 28 May 2025
  • Thumbnail for Turn (angle)
    counterpart of the turn, equivalent to 4π steradians. Unit interval Divine Proportions: Rational Trigonometry to Universal Geometry Modulo operation Twist (mathematics)...
    23 KB (1,917 words) - 10:22, 3 June 2025
  • Butler, Jill. Universal Principles of Design. Rockport Publishers. October 1, 2003. Page 96 Pile 2005, p. 29. Maor, Eli. Trigonometric Delights, Princeton...
    36 KB (4,398 words) - 18:12, 24 May 2025
  • Thumbnail for Science in classical antiquity
    Science in classical antiquity (category Articles containing Ancient Greek (to 1453)-language text)
    (262–190 BC). The methods used made no explicit use of algebra, nor trigonometry, the latter appearing around the time of Hipparchus (190–120 BC). Advances...
    52 KB (6,342 words) - 23:56, 22 May 2025