limitations of binary
used to think binary was so limited... couldn't represent 1/10 th!! had to do 1/2, 1/4, 1/8,
etc. etc. Realized that base 10 is the same way... we can't represent 1/3. we can only use
3/10. 3/100. 3/1000, etc. etc. so not limited. lots of numbers can fit between .1 and .2