The result shows that SNTO is a global optimization method and it can save calculation time with such a modification.

结构表明，SNTO法是一种实用的全局优化方法，收缩比和收敛判据的改进可大大缩短计算时间。

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The IRS also expects taxpayers to save more than 1.6 million hours per year in tax preparation time from this simpler calculation method.

WHITEHOUSE: The Home Office Tax Deduction: Simplifying Rules And Helping Small Business Owners Succeed | The White House