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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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Calculator based on the entered numbers separated by commas calculates the geometric mean.        
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Prolongation fee calculator

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BMR Calculator - Basic Metabolic - PPM

Jak obliczyć wskaźnik BMR / PPM ?
The calculator calculates the BMR (Basal Metabolic Rate). BMR - the lowest rate of metabolism that occur in the human body, necessary to sustain basic life functions, which is located in standby mode under complete peace of physical and mental comfort that the 12 hours before the test, do not eat any meals, after 3 days of diet and protein-free after at least eight hours of sleep.