area code - numbering plan to classify each region in a calling area

Annulus

Calculates the area of an annulus and the equation of the annulus using the radius of the large and small concentric circles.

Arc Length and Area of a Sector of a Circle

Calculates the arc length of a circle and the area of the sector of a circle

Area Conversions

This calculator converts between the following area measurements:

acre

hectare

square inch

square foot

square yard

square mile

square millimeter

square meter

square kilometer

acre

hectare

square inch

square foot

square yard

square mile

square millimeter

square meter

square kilometer

Body Mass Index (BMI)

Solves for the popular health measurement of Body Mass Index or Weight using inches and pounds input or meters and kilos input.

Also calculates the estimated surface area of the body using the Mosteller Formula

Also calculates the estimated surface area of the body using the Mosteller Formula

Bretschneiders Formula

Calculates the area of a quadrilateral using Bretschneiders Formula

Cardioid

Shows you the area, arc length, polar equation of the horizontal cardioid, and the polar equation of the vertical cardioid

Circles

Calculates and solves for Radius, Diameter, Circumference, and Area of a Circle.

Cones

Calculates and solves for Radius, height, Volume (Capacity), Lateral Area, and Surface Area of a Cone.

Cube

Solves for Volume (Capacity), Lateral Area,Surface Area, and the value of a side for a cube.

Cuboid

Calculates the volume, surface area, diagonals, and space diagonal for a cuboid

Cylinders

Calculates and solves for Radius, Diameter, Volume (Capacity), Lateral Area, and Surface Area of a Cylinder.

Decagon

Solves for the side, perimeter, and area of a decagon.

Dewey Decimal System Classification

Given a 3 digit code, this will determine the class, division, and section of the library book using the Dewey Decimal System.

Equilateral Triangle

Given a side (a), this calculates the following items of the equilateral triangle:

* Perimeter (P)

* Semi-Perimeter (s)

* Area (A)

* altitudes (h_{a},h_{b},h_{c})

* medians (m_{a},m_{b},m_{c})

* angle bisectors (t_{a},t_{b},t_{c})

* Circumscribed Circle Radius (R)

* Inscribed Circle Radius (r)

* Perimeter (P)

* Semi-Perimeter (s)

* Area (A)

* altitudes (h

* medians (m

* angle bisectors (t

* Circumscribed Circle Radius (R)

* Inscribed Circle Radius (r)

Euclidean Geometry

Shows you the area, arc length, polar equation of the horizontal cardioid, and the polar equation of the vertical cardioid

Hemisphere

Calculates the base circumference, volume, curved surface area, base surface area, total surface area of a hemisphere with radius r

Heptagon

Solves for side length, perimeter, and area of a heptagon.

Hexagon

This calculator solves for side length (s), Area (A), and Perimeter (P) of a hexagon given one of the 3 entries.

Isosceles Triangle

Given a long side (a) and a short side (b), this determines the following items of the isosceles triangle:

* Area (A)

* Semi-Perimeter (s)

* Altitude a (ha)

* Altitude b (hb)

* Altitude c (hc)

* Area (A)

* Semi-Perimeter (s)

* Altitude a (ha)

* Altitude b (hb)

* Altitude c (hc)

Kites

This calculates perimeter and/or area of a kite given certain inputs such as short and long side, short and long diagonal, or angle between short and long side

Morse Code Translator

Given a phrase with letters, numbers, and most punctuation symbols, the calculator will perform the following duties:

1) Translate that phrase to Morse Code.

2) Translate the Morse Code to a Dit-Dah message

3) Calculate the number of dots in the message

4) Calculate the number of dashes in the message

This also translates__from__ Morse Code back to English.

1) Translate that phrase to Morse Code.

2) Translate the Morse Code to a Dit-Dah message

3) Calculate the number of dots in the message

4) Calculate the number of dashes in the message

This also translates

Nonagon

Calculates the side, perimeter, and area of a nonagon

Octagon

Calculate side, area, and perimeter of an octagon based on inputs

Pentagons

Given a side length and an apothem, this calculates the perimeter and area of the pentagon.

Pick's Theorem

This calculator determines the area of a simple polygon using interior points and boundary points using Pick's Theorem

Polygons

Using various input scenarios of a polygon such as side length, number of sides, apothem, and radius, this calculator determines Perimeter or a polygon and Area of the polygon.
This also determines interior angles of a polygon and diagonals of a polygon as well as the total number of 1 vertex diagonals.

Pyramids

Solves for Volume (Capacity), Surface Area, height, or radius of a Pyramid.

Quadrilateral

Given 4 points entered, this determines the area using Brahmaguptas Formula and perimeter of the quadrilateral formed by the points as well as checking to see if the quadrilateral (quadrangle) is a parallelogram.

Rectangle Word Problem

Solves word problems based on area or perimeter and variable side lengths

Rectangles and Parallelograms

Solve for Area, Perimeter, length, and width of a rectangle or parallelogram and also calculates the diagonal length as well as the circumradius and inradius.

Rectangular Solid

Solves for Volume (Capacity) of rectangular solid

Lateral Area of rectangular Solid

Surface Area of rectangular solid.

Lateral Area of rectangular Solid

Surface Area of rectangular solid.

Rhombus

Given inputs of a rhombus, this calculates the following:

Perimeter of a Rhombus

Area of a Rhombus

Side of a Rhombus

Perimeter of a Rhombus

Area of a Rhombus

Side of a Rhombus

Spheres

Calculates and solves for Volume (Capacity), Surface Area, and Radius of a Sphere.

Squares

Solve for Area of a square, Perimeter of a square, side of a square, diagonal of a square.

Stress

Solves for any of the 3 items in the stress formula: Stress, Force, and Area

Torus

Calculates the volume of a torus and surface area of a torus given major radius and minor radius.

Trapezoids

This calculator determines the following items for a trapezoid based on given inputs:

* Area of trapezoid

* Perimeter of a Trapezoid

* Area of trapezoid

* Perimeter of a Trapezoid

Triangle Coordinate Items

Enter 3 points for the vertices of a triangle, and this will calculate the area of that triangle and the centroid.

Triangle Solver and Classify Triangles

Solves a triangle including area using the following solving methods

Side-Angle-Side (SAS) Side Angle Side

Angle-Side-Angle (ASA) Angle Side Angle

Side-Side-Angle (SSA) Side Angle Side

Side-Side-Side (SSS) Side Side Side

Area (A) is solved using Herons Formula

Law of Sines

Law of Cosines

Also classifies triangles based on sides and angles entered.

Side-Angle-Side (SAS) Side Angle Side

Angle-Side-Angle (ASA) Angle Side Angle

Side-Side-Angle (SSA) Side Angle Side

Side-Side-Side (SSS) Side Side Side

Area (A) is solved using Herons Formula

Law of Sines

Law of Cosines

Also classifies triangles based on sides and angles entered.