He says Singapore used to import all of its mathematics textbooks from other nations.

VOA: standard.2010.08.10

This is the most famous bell-shaped curve, but there are other ones with different mathematics.

正态分布是最著名的钟形曲线,但仍有其他表达式下的钟形曲线

耶鲁公开课 - 金融市场课程节选

This is the most famous bell-shaped curve, but there are other ones with different mathematics.

正态分布是最著名的钟形曲线,但仍有其他表达式下的钟形曲线

耶鲁公开课 - 金融市场课程节选