The four constants can be determined and the Balmer formula can be fitted in the positive number of the ordinal number and curve fitting. Correspondingly,the correlative coefficient is 1. Thus, the Balmer formula has been proved.

• 用序数的正整数条件及曲线拟合及最小二乘法来确定它们 ,可得到巴尔末公式 ,其相关系数为 1