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Whether a number is prime

Checks the user number is a prime number.


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Weighted average ratings

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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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Convolution of two vectors

The calculator performs convolution of two vectors of the same length in the field of real numbers by zsuwową.
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Calculator VAT refund for building materials

The calculator calculates the amount of VAT that can be refunded in respect of incurred expenses associated with the purchase of construction materials.                    
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The volume of a cube

The calculator allows you to calculate the volume of a cube.
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Calculator for calculating the volume of a cylinder

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The calculator calculates the volume of a cylinder with using of height and area.
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Calculator braking

Calculator to the data shows the approximate braking the vehicle to a complete stop.