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Number of square-triangle (square triangular number)

Number of square-triangle has the properties of a square and a triangular number.          


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Conversion between number bases

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Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.
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Radioactive decay

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Size calculator added sugar to wine [brix scale]

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Volume of the parallelepiped

The calculator allows you to calculate the volume of the parallelepiped.