# Tag Archives: math

## NASA only uses 15 digits of pi…

NASA only uses 15 digits of pi for calculating interplanetary travel. At 40 digits, you could calculate the circumference of a circle the size of the visible universe to an accuracy equal to the diameter of a hydrogen atom. The post NASA only uses 15 digits of pi… appeared first on Crazy Facts. Source

## In 2019 most Americans surveyed…

## 25 Interesting Math Facts

Here are 25 Interesting Math Facts. 1-5 Interesting Math Facts 01. Hairy Ball Theorem: The hairy ball theorem of algebraic topology states that there is no non-vanishing continuous tangent vector field on even-dimensional n-spheres. In simple terms, it’s impossible to comb all the hairs on a tennis ball in the same direction without creating a…… Read More »

## One of the most important mathematical…

One of the most important mathematical books ever written, Principia Mathematica, needed 360 pages to prove that 1 + 1 = 2. The book itself is considered so advanced and hard to understand that it’s rarely used in academia at all. The post One of the most important mathematical… appeared first on Crazy Facts. Source

## Shakuntala Devi from India, also known…

Shakuntala Devi from India, also known as the human computer, gave the 23rd root of a 201 digit number in 50 seconds. The answer was verified at the US Bureau of Standards by the UNIVAC 1101 computer, for which a special program had to be written to perform such a large calculation. The post Shakuntala… Read More »