Formulas Index
# Welcome to Wiki Formulas --Online Calculators--

## Online Calculators of Area Formulas

## Thoughts on Mathematics

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

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

See all area formulas
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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