For thousands of years, mathematicians were calculating Pi the obvious but numerically inefficient way. Then Newton came along and changed the game.
See the video: https://www.youtube.com/watch?v=gMlf1ELvRzc
The list of educational applications, platforms and resources below aim to help parents, teachers, schools and school administrators facilitate student learning and provide social care and interaction during periods of school closure. Most of the solutions curated are free and many cater to multiple languages. While these solutions do not carry UNESCO’s explicit endorsement, they tend to have a wide reach, a strong user-base and evidence of impact.