GeoCruncher!

GeoCruncher is an easy to use, all in one Geometry Calculator. Simply select a calculator, enter the appropriate values, and see your results. Its over 30 calculators in one app Transformations-Reflections-Translations-Dialations-RotationsCoordinate Geometry-Distance-MidpointCircles-Circle at Origin*-Circle not at Origin*Slopes-Slope Equation*-Slope-Intercept Equation*-Point-Slope Equation*Interior/Exterior Angles-Sum of Interior Angles-Single Interior Angle-Sum of Exterior Angles-Single Exterior Angle3D & 2D Shapes/Figures-Triangle-Rectangle-Trapezoid-Parallelogram-Circle-Rectangular Prism-Cylinder-Cone-Pyramid-SphereCircle Segments/Angles-Central Angle-Inscribed Angle-Angle by Tangent/Chord-Intersecting Chords-Secant-Secant Rule*Will help you build a formula.