Explanation : Leonhard Euler was one of the most prolific mathematicians in history, publishing over 800 papers throughout his lifetime. He revolutionized mathematics by creating much of the notation we use today, including e, i, f(x), and the summation symbol. His most famous contribution is Euler's identity, e^ (int) 1 = 0, often called the most beautiful equation in mathematics as it connects five fundamental constants. He also made groundbreaking work in calculus, number theory, graph theory

Maximize Your Learning with Freenotes from Fall Semester

Today, while serving, a man came through the line who was hitting, yelling, and screaming at his, and he even threatened to pepper spray her if she didn’t sit down in the pouring rain. He explained that he was using her only for breeding. He was gonna breed her this week when we witnessed him hitting and kicking the dog. Our volunteers heroically went in and removed the dog from him, which was drenched from the rain. We need an immediate foster for her! She’s currently at our vet and being asses