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Number of tetrahedral
Tetrahedral numbers are the natural numbers, for which it is possible to construct a tetrahedron formnego of bullets. They are a special case of the pyramidal numbers.
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Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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Conversion between number bases
Converter allows you to convert numbers between number bases - binary (binary), trójkowym, czwórkowym, Friday, szóstkowym, siódemkowym, octal (octal), dziewiątkowym, decimal (decymalnym) jedenastkowym, dwunastkowym, trzynastkowym, czternastkowym, piętnastkowym, hexadecimal (hex). Typed characters that are not numbers and the letters A, B, C, D, E, F are ignored.
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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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The percentage reduction in blood urea after dialysis
Calculator to the data is given as change the level of urea in the blood after hemodialysis.
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Cost of online advertising
Calculator based on the entered values to calculate the total cost, the cost for 1,000 impressions or views of online advertising.
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Calculator braking
Calculator to the data shows the approximate braking the vehicle to a complete stop.
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Calculator of wood moisture equivalent
Operating relative Calculator allows you to calculate the equivalent cut wood (hygroscopic balance) based on the model Hailwood-Horrobin.