The series didn't start in a boardroom; it began in the 1970s because James Stewart was frustrated with the textbooks he was using to teach. After a lecture, two female students told him his blackboard notes were actually better than their assigned book and suggested he write his own. What began as a personal project for his own students eventually became a global phenomenon. 2. A Legacy Beyond the Author
: His books eventually dominated the market, used by roughly 70% of math and engineering students worldwide. At one point, his textbooks were selling over 500,000 copies a year, making him one of the wealthiest authors in Canada. The "Integral House" James Stewart Calculus 10th Edition
| Aspect | 9th Edition (2015) | 10th Edition (2020) | |--------|--------------------|----------------------| | | ~1,400 | ~1,360 (slightly streamlined) | | Problems total | ~8,700 | ~9,000+ (more conceptual) | | WebAssign | Basic integration | Full interactive homework with adaptive support | | Real-world data | Pre-2015 | Up to 2019 (e.g., climate, economics) | | Proofs | Some relegated to appendix | More proofs retained inline | | Price (new) | ~$250 (hardcover) | ~$280 hardcover, but often bundled with WebAssign | The series didn't start in a boardroom; it