Most famous equation: Einstein's E = mc2, which means energy is equal to mass times the speed of light squared. Known digits of pi: More than 105 trillion digits Digits of pi NASA uses for equations: ...
If you have a question you’d like an expert to answer, send it to curiouskids@theconversation.edu.au. How was maths discovered? Who made up the numbers and rules? – Bianca, age 12, Strathfield, Sydney ...