Chebfun Examples: Rootfinding

Complex roots near the real axis (html, M-file)
The Mystery of Bernoulli Polynomials (html, M-file)
Roots of a Bessel function (html, M-file)
Roots of a complex function via Cauchy integrals (html, M-file)
Roots of a secular equation with poles (html, M-file)
Roots of random polynomials (html, M-file)
The white curves of Ortiz and Rivlin (html, M-file)