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  • dx = x-x0 r = sqrt( dx*dx + dy*dy + dz*dz )
    182 KB (25,146 words) - 05:59, 5 April 2024
  • dx = x-x0 r = sqrt( dx*dx + dy*dy + dz*dz )
    237 KB (33,449 words) - 18:39, 13 June 2024