We all understand that the rooster's crow does not cause the sun to rise, but even this simple fact cannot easily be expressed in a mathematical formula (skeptics are invited to try).

我们都了解公鸡啼鸣不是太阳升起的原因，但是，即便如此简单的事实要用一种数学方程序来表达也不容易(怀疑者们可以尝试)。

youdao

According to an ongoing investigation by the Washington Post, who initiated the McColo shutdown, the Srizbi bots have been programmed with a mathematical formula that in the event of a shutdown generate a random but unique web address to check for updates.

BBC: Spam on rise after brief reprieve