A free web straightedge-and-compass toolkit: play levels, build your own, solve with a solver — 300+ classic construction puzzles included.
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Updated
Sep 23, 2026 - JavaScript
A free web straightedge-and-compass toolkit: play levels, build your own, solve with a solver — 300+ classic construction puzzles included.
阿波罗尼乌斯三圆问题的少步尺规作图研究 | Apollonius CCC constructions: verified upper bounds, exact replay, and Manim animations.
Scale-b geometric acceleration of polygonal approximations to pi, with uniform weight stability, explicit remainder bounds, and a guarded constructibility analysis.
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