Or the slide rule, for assisting with multiplication and division.

或者计，用于辅助乘法和除法。

Right? So, what is a slide rule?

确？那么， 什么是计？

Nobody uses a slide rule, unless you go to maybe Oxford in the 1960s.

没有人使用计， 除非你在 1960 年代过牛津大学。

Now, what tips would you give people who are looking to run the slide rule over making a new investment?

现在， 您会给那些希望在进行新投资时使用计人提供什么建议？

For most people, it was the first time they didn't have to do math on paper or use a slide rule.

对于大多数人来说，这是他们第一次不必在纸做数学或使用计。

It is a tale that starts with a 42,000-year-old tally stick found in South Africa and moves through finger-counting systems to the abacus and the slide-rule.

这个故事从在南非发现一根有 42,000 年历史计数棒开始，通过手指计数系统发展到盘和计。