What are some facts about Gottfried Leibniz?

Answer 1

1. Invented binary arithmetic
2. Invented calculus in a different way that Sir Isaac newton (or at least claimed he did)
3. By age 12, he taught himself to read Latin easily, and began Greek
4. By age 20, he mastered math, philosophy, theology and law
5. Created first mechanical calculator capable of multiplication and division.
6. Became secretary to a society of alchemists, though he didn't understand alchemy itself
7. Developed several ways for solving linear systems
8. Developed symbol for congruence (equals sign with squiggly line on top