Financial Math
Compound Interest : A = P(1 + i)n
Simple Interest : I = Prt
Quadratic Functions and Equations
y = a (x - p)2 + q notes
y = ax2 + bx + c notes
Trigonometry notes
In a right triangle, 
,
In any triangle, ,
Coordinate Geometry
The distance between two points A(x1, y1) and B(x2, y2) is:
The midpoint of the line segment joining two points A(x1, y1) and B(x2, y2) is
The slope of the line joing two points A(x1, y1) and B(x2, y2) is
Equations of lines
Equation of circle
