一種帶有刻度以指示距離的直尺。雖然有時說幾何作圖是用尺子和圓規進行的，但術語“直尺”比“尺子”更可取，因為經典希臘規則不允許使用刻度。
尺子
另請參閱
Coastline Paradox, Compass, Geometric Construction, Geometrography, Golomb Ruler, Perfect Ruler, Simplicity, Slide Rule, Sparse Ruler, Straightedge, Wichmann Ruler使用 探索
參考文獻
Gardner, M. Wheels, Life, and Other Mathematical Amusements. New York: W. H. Freeman, pp. 153-155, 1983.Gardner, M. The Magic Numbers of Dr Matrix. Buffalo, NY: Prometheus, p. 230, 1985.Golomb, S. W. "How to Number a Graph." In Graph Theory and Computing (Ed. R. C. Read). New York: Academic Press, pp. 23-37, 1972.Smogorzhevskii, A. S. The Ruler in Geometrical Constructions. New York: Blaisdell, 1961.在 中被引用
尺子引用為
Weisstein, Eric W. "Ruler." 來自 Web 資源。 https://mathworld.tw/Ruler.html