: Prompt A,B,C
: √(B^2 - 4AC) → D
: (-B + D) / (2A) → X
: (-B - D) / (2A) → Y
: Disp X,Y 

Quadratic Solver
Solves quadratic equations in the form Ax^2 + Bx + C = 0

: Disp "X^2/(Y-X) = Z
: Prompt Y,Z
: √(Z) * √(4*Y*Z) → A
: 0.5 * (A-Z) → B
: 0.5 * (-A-Z) → C
: Disp B,C
: Disp "-log(X) log(X) + 14
: Disp -log(abs(B))
: Disp log(abs(B)) + 14

"Square of X divided by Y minus X"
Solves for x given an equation in the format X^2/(Y-X) = Z, given Y and Z

: Disp "X(X+Y)/(Z-X)=W
: Prompt Y,Z,W
: √(W^2 + 2*W*Y + 4*W*Z + Y^2) * 0.5 → A
: A - 0.5 * (W+Y) → B
: -A - 0.5 * (W+Y) → C
: Disp B,C
: Disp -log(abs(B))
: Disp log(abs(B)) + 14

"X Multiplied x plus Y Z Divided equals W"
Solves for X in equations in the format (X+Y)(X) / (Z-X) = W