Looking at the Leibniz series, you feel the independence of mathematics from human culture. Surely, on any world that knows pi the Leibniz series will also be known... Nilakantha, an astronomer, grammarian, and mathematician who lived on the Kerala coast of India, described the formula in Sanskrit poetry around the year 1500.

...the light and elastic spear, made of the India bamboo, and tipped with the most perfectly worked steel, which he now held in his hand...

As my heart bears me full witness with what unalloyed satisfaction I should have seen this last duty in your hands or in D. Giddy's, so I feel myself permitted to avow the pain, yea, the sense of shame, with which I contemplate Dr. Stock as the performant.

As well as could be judged by looking down through the water under the counters, there was no injury whatever to the afterbody of the ship.