Class 3: Scheme Lists I

Lists in Scheme

Do Scheme Lab 2.

Due by start of class on [see calendar]:

Scheme Lab 2 solutions to List Problem Set section, as a file mxxxxxxL02.scm, where mxxxxxx is your alpha. E-mail it to me.

Your code should pass at least the following tests:

> (tip 37.5)
(43.125 45.0)

> (squares 7 14)
(49 64 81 100 121 144 169 196)

> (tip-range 72.35 15 20)
(83.20249999999999 83.92599999999999 84.64949999999999 85.37299999999999 86.09649999999999 86.82)

> (sum-abs '(-3 -2 8 -17 11))
41

> (sum-cash '((12 euro) (5 euro) (11.5 ukpound) (230 yen) (17 usdollar) (57 yen)))
61.17057700000001

> (std-dev '(78 82 81 79 78 76 81 80))
1.9955307206712847