sqrt((a-c)^2+(b-d)^2) - ANS-Distance Formula
x^2+y^2=r^2 - ANS-Formula of a Circle
y=mx+b - ANS-Point-slope form
(y1-y2)/(x1-x2) - ANS-Slope
(x1+x2/2,y1+y2/2) - ANS-Midpoint Formula
(f(a+h)-f(a))/h - ANS-Limit Slope
(f(y)-f(x))/(y-x) - ANS-Average rate of change
cosx - ANS-Derivative of sinx
-sinx - ANS-Derivative of cosx
sec^2x - ANS-Derivative of tanx
secxtanx - ANS-Derivative of secx
-cscxcotx - ANS-Derivative of cscx
-csc^2x - ANS-Derivative of cotx
Divide coefficients - ANS-Horizontal Asymptote same degree
y=0 - ANS-Asymptote numerator lower
none - ANS-Asymptote numerator higher
first derivative - ANS-Velocity
second derivative - ANS-acceleration