The user can opt to trade speed of computation for a higher margin of error, but the app can generally get the error under 1 percent in less than a second.
用户可以用更高的误差来换取更快的计算速度，不过这个程序已经能在不到1秒的时间获得小于百分之一的误差。
Due to the error of data and calculation, there are certain errors to the results in regression computation.
回归计算中，由于资料和计算上的误差，使结果也产生一定的误差。
Focusing on an error appeared in big number error computation on computor, this paper gives the necessity and method for data per-processing based on the Theorem of Variance.
本文针对计算器在大数误差计算中出现的一个错误，根据方差定理，提出数据予处理的必要与方法。
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