• Right Regular Pyramids

  • Right Regular Prisms

  • Cones & Frustums

  • The 5 Platonic Solids (Regular Polyhedra) Calculator

  • Torus Calculator – Calculates Volume and Area

  • Vertical Cylindrical Tank with Dipstick Calculator

  • Horizontal Cylindrical Tank with Dipstick Calculator

  • Rectangular Tank with Dipstick Calculator

  • Rectangular Solid (Rectangular Prism)

  • Triangular Prism Calculator

  • Cube Area and Volume

  • Spherical Cap

  • Spherical Tank Calculator

  • Area and Volume Calculator for a Sphere or Cylinder

  • Polygons that have integer angles.

  • Calculator for Constructing Regular Polygons

  • Regular Polygon Calculator

  • 30 60 90 and 45 45 90 Triangle Calculator

  • Right Triangles (Pythagorean Theorem)

  • Side Side Angle Triangle Calculator

  • Calculating All Triangle Heights & All 3 Angles with Three Known Sides

  • Triangle Height Calculator

  • Ultimate Triangle Calculator

  • Acute, Right, Obtuse Triangle Tester

  • Triangle Tester

  • Triangle Centers

  • Types of Triangles

  • Calculating Trapezoid Area – Tutorial

  • Trapezoid Calculator

  • Quadrilateral Kite Calculator

  • Calculator for Parallelograms

  • Rhombus Calculator

  • Calculator for Squares and Rectangles

  • Quadrilateral page

  • Slope and Grade Calculator

  • Exterior Angle Theorem

  • Ellipses

  • Determining a circle’s equation

  • Circle Equation Calculator

  • Circle Equation Tutorial

  • ARC to CHORD RATIOS

  • CIRCLE Calculator

  • Circle Circumference & Area Calculator

  • Central Angle Calculator

  • Angles In Circles

  • Angle Conversion

  • The Reuleaux Triangle

  • A Brief History of PI