一种带有刻度以指示距离的直尺。虽然有时说几何作图是用尺子和圆规进行的,但术语“直尺”比“尺子”更可取,因为经典希腊规则不允许使用刻度。
尺子
另请参阅
Coastline Paradox, Compass, Geometric Construction, Geometrography, Golomb Ruler, Perfect Ruler, Simplicity, Slide Rule, Sparse Ruler, Straightedge, Wichmann Ruler使用 Wolfram|Alpha 探索
参考文献
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 Wolfram|Alpha 中被引用
尺子引用为
Weisstein, Eric W. "Ruler." 来自 MathWorld--Wolfram Web 资源。 https://mathworld.net.cn/Ruler.html