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Math / scientific calculator instructions Math / scientific calculator similar to those from TI, Casio, HP etc Incenter coordinates of a triangle with calculator (Coordinate Geometry) Coordinates of the vertices of a regular polygon with calculator Area of a polygon calculator Angle calculator for angles expressed in Degrees, Minutes, Seconds Graphical Function Explorer grapher (GFE) Angle calculator for angles as used in the Nautical Almanac 24 hour time calculator 24 hour difference between two times calculator Calculus - Fundamental Theorem of Calculus Calculus - Second Fundamental Theorem of Calculus Capturing parts of the screen as an image Cardinal numbers (Whole numbers or natural numbers) Cardinality of a set of numbers Cardinality of a set of numbers Introduction to Coordinate Geometry and the Cartesian Plane Center Points of concurrency Finding the center of a circle or arc with compass and straightedge or ruler Finding the center of a circle with any right-angled object Midpoint - math word definition Center of a Polygon Triangle Centers Overview Central Angle Theorem Central-angle Central angle of a circle Central Angle of a Polygon Centroid How to construct the centroid of a triangle with compass and straightedge or ruler Coordinates of a triangle centroid with calculator (Coordinate Geometry) Euler line Triangle Centers Overview Triangle centroid definition Median of a triangle - math word definition Calculus - Chain Rule Save GFE chart as a link Chord - Math word definition Intersecting Chord Theorem Parts of a circle - Pictorial index Annulus - Math word definition Area of an annulus Arc - Math word definition Sector definition Area of a sector of a circle Chord - Math word definition Intersecting Chord Theorem Circle definition with calculator Area enclosed by a circle with calculator Derivation of the formula for the area of a circle Central angle of a circle Incircle of a triangle Inscribed angle of a circle Secant of a circle definition Segment of a Circle Circumcircle Circumference (perimeter) of a circle with calculator Derivation of the formula for the circumference of a circle Concentric - Math word definition Conic section - circle How to construct a circle through 3 points with compass and straightedge or ruler Finding the center of a circle or arc with compass and straightedge or ruler Finding the center of a circle with any right-angled object How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler How to construct (draw) the incircle of a triangle with compass and straightedge or ruler How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler How to construct a regular hexagon inscribed in a circle with compass and straightedge or ruler Constructing a regular pentagon inscribed in a circle How to construct a square inscribed in a circle with compass and straightedge or ruler How to construct a tangent to a circle at a point How to construct (draw) tangents to a circle through an external point How to construct (draw) the two external tangents to two given circles How to construct (draw) the two internal tangents to two given circles Basic Equation of a Circle Circle and ellipse drawing algorithm General form of Equation of a Circle Parametric Equation of a Circle Diameter of a circle definition and calculator- Math Open Reference Parts of a circle - Pictorial index Radius of a circle definition and calculator Intersecting Secant Theorem Area of a circle segment with calculator- Math Open Reference Area and height of a circle segment with calculator- Math Open Reference Semicircle - math word definition Angle inscribed in a semicircle Square inscribed in a circle Tangent to a circle definition Tangent to a circle definition Thales theorem Unit-circle Circumcenter How to construct circumcenter of a triangle with compass and straightedge or ruler Euler line Triangle Centers Overview Triangle Circumcenter definition Circumcircle of a Triangle Circumcircle How to construct a circle through 3 points with compass and straightedge or ruler How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler Circumcircle of a Regular Polygon Radius of a Regular Polygon Circumcircle of a Triangle Circumference (perimeter) of a circle with calculator Derivation of the formula for the circumference of a circle Perimeter of an Ellipse Perimeter of a kite Parts of a circle - Pictorial index Perimeter of a rectangle with calculator- Math Open Reference Perimeter of a triangle Circumradius Radius of a Regular Polygon Circumcircle of a Triangle Circumcircle Circumscribed How to construct a circle through 3 points with compass and straightedge or ruler How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler Circumscribed rectangle, bounding box. (Coordinate Geometry) Circumcircle of a Regular Polygon Circumcircle of a Triangle How to cite Math Open Reference articles How to cite Math Open Reference articles How to cite Math Open Reference articles 24 hour time calculator Classification Classify Classification of triangles Collinear - Math word definition Common Core alignment Calculus - Comparison Test Compass Construction Constructions Introduction. Drawing shapes with compasses and straightedge List of constructions and construction worksheets Complementary Angles definition Complement Complementary Complementary angle using compass and straightedge or ruler Complex numbers - animated definition The letter i - math word definition The letter j - math word definition Number Real-number Imaginary-number Number Composite number - math word definition Prime number - math word definition Calculus - Chain Rule Concave Concave Polygon Definition Concentric - Math word definition Concurrent-lines Points of concurrency Triangle centroid definition Triangle Circumcenter definition Triangle incenter, description and properties Orthocenter of a triangle - math word definition Cone - Math word definition Surface area of a right cone Derivation of the formula for the area of a cone Oblique versus right cone - Math Open Reference Comparison of a cone and pyramid Slant height of a right cone Volume of a right cone Conic section - circle Conic section - ellipse Perpendicular bisector definition Congruent AAA Doesn't work AAS Congruent Triangles Congruent Angles ASA Congruent Triangles HL Congruent Triangles Congruent Lines Definition Congruent Polygons- Math Open Reference Congruent Polygon Tests- Math Open Reference SAS Congruent Triangles SSA doesn't work SSS Congruent Triangles Congruent Triangles Congruent triangles with a common side Reflected Congruent Triangles Rotated Congruent Triangles How to copy an angle with compass and straightedge or ruler Copying a line segment with compass and straightedge or ruler Copying a triangle with compass and straightedge or ruler Dividing a line segment into N equal parts with compass and straightedge or ruler Conic section - circle Conic section - ellipse Calculus - Constant multiples of functions How to construct a 30-60-90 triangle with compass and straightedge or ruler How to construct a circle through 3 points with compass and straightedge or ruler How to add two angles with compass and straightedge or ruler Sum of line segments using compass and straightedge or ruler How to construct (draw) one of the three altitudes of a triangle How to construct (draw) one of the three altitudes of an obtuse triangle How to construct a 30 degree angle with compass and straightedge or ruler How to construct (draw) a 45 degree angle with compass and straightedge or ruler How to construct a 60 degree angle with compass and straightedge or ruler How to construct a 90 degree angle with compass and straightedge or ruler Constructing 75, 105, 120, 135, 150 degree angles and more How to bisect an angle with compass and straightedge or ruler How to bisect a segment with compass and straightedge or ruler How to construct the centroid of a triangle with compass and straightedge or ruler Finding the center of a circle or arc with compass and straightedge or ruler Finding the center of a circle with any right-angled object How to construct circumcenter of a triangle with compass and straightedge or ruler How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler Complementary angle using compass and straightedge or ruler How to copy an angle with compass and straightedge or ruler Copying a line segment with compass and straightedge or ruler Copying a triangle with compass and straightedge or ruler Difference of two angles using compass and straightedge or ruler Difference of two line segments using compass and straightedge or ruler Dividing a line segment into N equal parts with compass and straightedge or ruler How to use a protractor to draw an angle How to construct (draw) an ellipse Finding the foci an ellipse How to construct (draw) an equilateral triangle with compass and straightedge or ruler How to construct a regular hexagon given one side with compass and straightedge or ruler How to construct the incenter of a triangle with compass and straightedge How to construct (draw) the incircle of a triangle with compass and straightedge or ruler How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler How to construct a regular hexagon inscribed in a circle with compass and straightedge or ruler Constructing a regular pentagon inscribed in a circle How to construct a square inscribed in a circle with compass and straightedge or ruler How to construct an isosceles triangle given base and one side How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler Construct an isosceles triangle with given leg and apex angle with compass and straightedge or ruler How to construct (draw) the medians of a triangle How to construct midsegment of a triangle with compass and straightedge or ruler How to construct (draw) the orthocenter of a triangle- Math Open Reference How to construct a parallel through a point with compass and straightedge or ruler How to construct (draw) a parallel through a point with compass and straightedge or ruler (rhombus method) How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler How to construct (draw) a perpendicular at the end of a ray with compass and straightedge or ruler How to construct (draw) a perpendicular from a line through an external point How to construct (draw) a perpendicular at a point on a line Construction Constructions Introduction. Drawing shapes with compasses and straightedge How to construct (draw) a square Supplementary angle using compass and straightedge or ruler How to construct a tangent to a circle at a point How to construct (draw) tangents to a circle through an external point How to construct (draw) the two external tangents to two given circles How to construct (draw) the two internal tangents to two given circles How to construct a triangle given two angles and a non-included side (AAS) Triangle given two angles and the included side (ASA) How to construct (draw) a right triangle with a given one angle and hypotenuse (HA) How to construct (draw) a right triangle with a given leg and hypotenuse (HL) How to construct (draw) a right triangle with a given one angle and one leg (LA) How to construct (draw) a right triangle with two given leg lengths (LL) How to construct a triangle given two sides and the included angle (SAS) How to construct (draw) a triangle given three sides (SSS) Teaching Geometric Constructions using Math Open Reference List of constructions and construction worksheets Table of Contents Calculus - Formal approach to continuity Calculus - Informal continuity Calculus - making a function continuous and differentiable Calculus - Ratio Test Convex Convex Polygon Definition Basic Equation of a Circle Print blank graph paper Circumscribed rectangle, bounding box. (Coordinate Geometry) Coordinates of a triangle centroid with calculator (Coordinate Geometry) Circle and ellipse drawing algorithm Distance between points Equation of a line - slope and intercept form. (Coordinate Geometry) Equation of a line - point - slope form. (Coordinate Geometry) General form of Equation of a Circle General Equation of an Ellipse Horizontal line definition. (Coordinate Geometry) Coordinates Incenter coordinates of a triangle with calculator (Coordinate Geometry) Intercept (b) of a line (Coordinate Geometry) Intersecting lines. (Coordinate Geometry) Introduction to Coordinate Geometry and the Cartesian Plane Line definition (Coordinate Geometry) Introduction to Lines in Coordinate Geometry Midpoint Theorem (Coordinate Geometry) Teaching Notes: Limitations of the applets in the coordinate geometry section Parallel lines. (Coordinate Geometry) Parallelogram and its properties. (Coordinate Geometry) Parametric Equation of a Circle Parametric Equation of an Ellipse Perpendicular lines. (Coordinate Geometry) The Coordinate Plane Coordinates of a point Distance from a point to a line Distance from a point to a line using two line equations Distance from a point to a line using a formula Distance from a point to a line using trigonometry Distance from a point to a vertical or horizontal line Coordinates of the vertices of a regular polygon with calculator Area of any polygon (Coordinate Geometry) Area of a polygon algorithm Area of a polygon calculator Ray definition (Coordinate Geometry) Rectangle and its properties. (Coordinate Geometry) Area and perimeter of a rectangle. (Coordinate Geometry) Line Segment definition (Coordinate Geometry) Slope (m) of a line (Coordinate Geometry) Square and its properties. (Coordinate Geometry) Area and Perimeter of a Square. (Coordinate Geometry) Trapezoid area and perimeter. (Coordinate Geometry) Trapezoid and its properties. (Coordinate Geometry) Area of a triangle (Coordinate Geometry) Area of a triangle using the box method (Coordinate Geometry) Vertical line definition. (Coordinate Geometry) Origin - math word definition Quadrant X-axis definition Y-axis definition Coplanar - Math word definition How to copy an angle with compass and straightedge or ruler Copying a line segment with compass and straightedge or ruler Copying a triangle with compass and straightedge or ruler Corresponding Angles definition Corresponding The trigonometry arccos() function - inverse cosine - math word definition COS - Math word definition Cosine - math word definition Graph of the Cosine function - Trigonometry Trigonometry Overview Calculus - trigonometric Functions Cosecant CSC - Math word definition Introduction to the 6 trigonometry functions The trigonometry arccos() function - inverse cosine - math word definition Calculus - trigonometric Functions Cosine - math word definition The Law of Cosines Proof of the Law of Cosines SOHCAHTOA - math word definition - Trigonometry Solving Triangles Introduction to the 6 trigonometry functions Graph of the Cosine function - Trigonometry COT - Math word definition Cotangent Calculus - trigonometric Functions Cotangent Introduction to the 6 trigonometry functions Coterminal - math word definition Counting numbers (Whole numbers or natural numbers) Natural number - math word definition Number Whole number - math word definition Cardinal numbers (Whole numbers or natural numbers) Cpctc Cosecant CSC - Math word definition Cube definition with calculator Surface area of a cube with calculator Volume of a cube with calculator Platonic solid Cubic Cubic curve and graph display Calculus - Basic curve analysis Calculus - Curve Analysis - Global Extrema Calculus - Curve analysis - Special cases Parabola - math word definition Parabola definition (quadratic equation ) Math Open Reference Parabola definition (focus / directrix form) Inscribed (cyclic) quadrilateral Interior angles of an inscribed quadrilateral Area of an inscribed quadrilateral Diagonals of an inscribed quadrilateral Cylinder definition and properties Derivation of the surface area of a cylinder Surface area of a cylinder with calculator Cylinder as the locus of a line Oblique cylinder Relation of a cylinder to a prism Volume of a partially filled cylinder with calculator Volume of a cylinder with calculator