# Welcome to Wiki Formulas Online Calculator

This website contains a database of formulas. Our current focus is perimeter, area and equations formulas for plane geometry shapes.

## Area Calculators

Area of a circle calculator and 25 more area formulas: area of a square, triangle, pentagon, hexagon, and many more...

See all Area Formulas
## Perimeter Calculators

Perimeter of a circle calculator and 27 more perimeter formulas: perimeter of a square, triangle, hexagon, heptagon, decagon, dodecagon, and many more...

See all Perimeter Formulas
## Volume Calculators

Volume of a Cylinder, Pyramid, Cone, Cube and the Sphere

See all Volume Calculators
## Algebra Calculators

Linear equation calculators: distance, first degree addition, subtraction, multiplication

See all Equations Formulas
## Laws of Mathematics

Similar Terms and the Laws of Exponents

See all Laws of Mathematics
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## Thoughts on Mathematics

Mathematics is the language with which God has written the universe.

Galileo Galilei (1564/1642)

I have hardly ever known a mathematician who was capable of reasoning.

Plato (427—347 B.C.E.)

Mathematics is the queen of the sciences.

Carl Friedrich Gauss (1777/1855)

There is geometry in the humming of the strings, there is music in the spacing of the spheres (planets).

Pythagoras (569/500 B.C.E)

The laws of nature are but the mathematical thoughts of God.

Euclid( c. 300 B.C.E)

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