给出了定点计算三角函数、开平方等初等函数的误差分析，并对该算法进行了改进，使计算精度达到火控总体的要求。

Also the error analysis of elementary functions, such as trigonometric and square root functions for fixed point computing, is given.

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采用初等方法，对二进制数字之和函数的八次均值的计算进行了猜想、归纳，得出了精确的计算公式。

Using elementary method, digital function sum and its 8-th power means value formula was supposed and induced, an exact calculation formula was obtained.

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采用初等方法，对二进制数字之和函数的八次均值的计算进行了猜想、归纳，得出了精确的计算公式。

Using elementary method, digital function sum and its 8-th power means value formula was supposed and induced, an exact calculation formula was obtained.

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