#lang planet wrturtle/pyret/bsl

# Examples in the Prologue of the Second Edition of HtDP
1 + 1
2 + 2
3 * 3
4 - 2
6 / 2

sqr(3)
2 ** 3
sin(0)
cos(pi)

2 + (3 + 4)
2 + 3 + 4

2 + 3 * 3 + 4
2 + 3 * 12 / 4  + 4
5 * 5 + 3 * 12 / 4 + 4

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 0
1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9 * 0