Algebra Calculator Menu

1. Algebra
   1. Quadratic Formula
   2. Quadratic Equation
   3. Two-Point Problem
   4. Pythagorean Theorem
   5. Cubic Equations
   6. Quartic Equation
   7. Greatest Common Factor
   8. Distance Formula
   9. Distance to Origin
   10. FOIL
   11. Greatest Common Divisor (GCD) & Least Common Multiplier (LCM)
   12. Parabola (Quadratic) Grapher
   13. Factorial Function