math knowledge (21) 썸네일형 리스트형 History of circles and pi pi Part 1 - Drawing of a square with the same area as a circle Did you know that there is a day with the ratio of circumference π pi? An event created by a Japanese confectionery company. ‘White Day’ March 14th It's actually called Pi Day. For March 14th, the pi pi is 3.1415926... It is said that mathematicians gave it a name to commemorate it. In a group called ‘π-club’ active in the United States, Gathered on March 14th at 1:59:26 PM It is said .. Alexandria's best-selling Elements Civilization and Mathematics 7 shorts https://youtu.be/DGk2KdN2KjI Aristotle, known as Plato's disciple, He founded Lykeion. He founded logic. Aristotle is famous for his many achievements. At a time when Greek academic development was growing, A war broke out with the Macedonian people in the north. Don't lose. In Civilization and Mathematics Part 7 To show this war god in the intro I paid a lot of attention. :) A.. How did we know the circumference of the Earth? https://youtu.be/vgIIDJqep6Q?si=LfqXpWSDd2Qa56Fv Long ago, people thought the Earth was flat. however How did you find out? Plato's disciple Due to Aristotle's scientific proof People learned that the Earth is round. So who first calculated the Earth's circumference? and Just like now 2200 years ago There were no artificial satellites or astronomical instruments. Measurement .. How were numbers counted in primitive times Did primitive people know about numbers? Number is an abstract concept used to describe quantity. Of course, it also has another meaning. Primitive people had no concept of number. They say that having more than one or two was difficult. Next was the abstract concept of “many.” So, similar to the current concept of a bankbook, I created ‘Calculi’. Calculi looks like a round piggy bank... What did the Hanging Gardens of Babylon look like? #history of mathematics #maths https://youtu.be/OScNozfCZJc Mesopotamia (Arabic: الرافدين, Ancient Greek: Μεσοποταμία) This refers to the area around the Euphrates and Tigris rivers in the Middle East. This is the current area of Iraq. As it was a land between two rivers, it boasted fertile land. Farming and livestock farming developed because the land was fertile. Not developed in primitive times This was the period wh.. 이전 1 2 3 다음
