Today - Professor Gareth Roberts: 'Pi is Welsh' - 麻豆官网首页入口 Sounds
Today - Professor Gareth Roberts: 'Pi is Welsh' - 麻豆官网首页入口 Sounds
Professor Gareth Roberts: 'Pi is Welsh'
Welshman William Jones was the first person to use Pi in 1706.
Welshman William Jones was the first person to use Pi in 1706.