Gresham College provides outstanding educational talks and videos for the public free of charge. There are over 2,500 videos available on our website. Your support will help us to encourage people's love of learning for many years to come.
Euler’s pioneering equation, the ‘most beautiful equation in mathematics’, links the five most important constants in the subject: 1, 0, π, e and i. So what is this equation – and why is it pioneering?