*Reading*: §3.5–3.7

- Biggest and smallest integer
- More about bits
- Show 32 bit maximum, minimum signed integer
- Show largest floating point number that, when added to 1, is ignored (see eps.py)

- Type conversion review
- Assignment
- Use of float(), int()
- In arithmetic

- Built-in functions
- type()
- range()
- round()

- Math library
- Making library available to program: “import math”
- With above form of inclusion, must prefix with “math.”
- With “from math import *”, don’t need “math.”
- Constants: pi, e
- Functions: log(), log10(), exp(), pow()
- Functions: sin(), cos(), tan(), asin(), acos(), atan(); arg in radians

- Program to compute sin
^{2}(x) + cos^{2}(x) (see trig.py)