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Math
Field parabola
The calculator calculates the surface area of the parabola with the given base width and length of the perpendicular [see calculator squareness]. The result is given as the user input unit square.
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Math
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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Math
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.
134513
Math
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
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Building
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.
29527
Life
Freezing sea water
Calculator based on the average salinity of the basin are calculated freezing point of the water content by the formula Krummel.
16769
Math
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.
348405
Financial
ROCE - an indicator of the efficiency of investment
The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.
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Math
Area of a triangle using Heron's formula
calculator calculates the area of a triangle after a length of three sides.