图算学(又称诺模学,即英文Nomography的音译名),是根据一定的数学原理,把某一给定的公式,通过一系列数学变换,建立满足于原公式的构图方程;再选择合适的模数;进行各变量参数的计算;最后,绘出各个变量的平面轨迹图——算图(亦称诺模图,Nomogram),当再运用这一公式进行计算的时候,只要借助于算图,就可以避开常规的数学运算,仅仅用直尺在算图上比一比,即可简捷地得出答案来了。图算学在二十世纪初叶,起源于法国,首先由法国学者阿肯倡起。今天,图算已广泛地应用于工农业生产、工程设计、科学研究等各个领域。在科学技术发达的国家都设有专门的机构从事它的研究。即使电 According to a certain mathematical principle, graph arithmetic (also known as Nommology) is a compositional equation that satisfies a certain formula through a series of mathematical transformations, and then chooses the appropriate Of the module; the calculation of the parameters of each variable; Finally, draw the plane trajectory of each variable diagram - calculation diagram (also known as the nomogram), when using this formula for calculation, Figure, you can avoid the conventional mathematical operations, just use the ruler in the calculation of the ratio of more than one, you can concise answer to come. Figure computing in the early twentieth century, originated in France, first by the French scholar Aken initiated. Today, the figure has been widely used in industrial and agricultural production, engineering design, scientific research and other fields. In the advanced science and technology countries have set up specialized agencies engaged in its research. Even electricity