Yesterday was the anniversary of publishing “Feynman’s Path Integral with Basic Calculus”. I can’t believe it has been a year! Throughout, the interest in the book has been consistent and steady, ...

Integration is the act of bringing together smaller components into a single system that functions as one. In mathematics, an integral assigns numbers to functions in a way that describes displacement ...

Amid the many signs of underperformance in American education, the growth and geographic spread of Advanced Placement courses in high schools is a widely admired success story. For several decades, AP ...