<p>Any really useful formulas for Math II? Is the sparknotes book any good?</p>
<p>Also any calculator tips/tricks that would help?</p>
<p>I got a calculator program that estimates the distance between two points,the slope of the graph,the equation of the graph if you insert the coordinates of the points…I think this was was pretty useful.
I also found a program estimating the area of a triangle by inserting the lengths of the three sides (heron formula)
Another useful program finds the area of a triangle when inserting the coordinates of three points (It also draws the triangle on the x,y plane)
There are many other useful hacks & programs for Ti-89</p>