fixed-point function from book. [1.35]
Merge branch 'ex1.35'
Print guesses. [1.36]
Merge branch 'ex1.36'
Write continued fraction procedure. [1.37]
Rewrite iteratively. [1.37]
Merge branch 'ex1.37'
Approximate e with continued fractions. [1.38]
Merge branch 'ex1.38'
Lambert's formula for tangent. [1.39]
Merge branch 'ex1.39'