square root table的意思|示意

These techniques include: (1)Implementing division, square root, Logarithm operation and other complicate calculations by table-reading;

内容包括：（1）用查表法进行除法、求平方根、求三角函数等复杂运算；

Based on the analysis of the look-up table method and Newton iteration algorithm the paper improves the Newton iteration method for the square root calculation.

在分析了查表法以及牛顿迭代法的基础上，对开平方计算的牛顿迭代法进行了改进。