fixed radius issue brought up by David Lindberg
Removed an extra 'so' to improve readability.
Changed caption of Figure 8.1 to improve clarity.

Seems like either 'coincide' or 'are concident' would work here.
Fix run-on sentence in Example 8.1.3.
Correct definiton of p(t) in Figure 8.4.
found minor typo in answers
textbook is more up to date
recompiled text
Just checking for equality on the real line
Fixed l_1(x) equation in Newton's method section.
Merge branch 'section-10.2-newton' of https://github.com/clark-archer/mooculus into development
minor typo fixed
Merge branch 'textbook-8.2' of https://github.com/clark-archer/mooculus into development
Merge branch 'textbook-8.1' of https://github.com/clark-archer/mooculus into development
textbook updated
fixed minor typo A' -> A
fixed caption in text
Install RSpec
Move FactoryGirl factories into spec dir
Remove problem_number attr_accessible from Exercise

Looks like this column was dropped in 5e4c5a9a809a2c4db09afad46c6b445f41d48f39