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Math
The sum of squares of integers from 1 to n
The calculator calculates the sum of squares of consecutive integers from one to the specified value.
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Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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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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Arabic numbers Converter - Roman
Calculator converts numbers to roman Arabic or Roman to Arabic vice versa. The maximum value that the calculator correctly parse the number 3999.
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Action at a fraction of the usual
The calculator performs four basic operations with fractions ordinary. The result returns in the form of a fraction improper and nieskracalnego.
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Building
Insulation of wall
Jak policzyć izolację ścian?
Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
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Life
Calculate how much you drink pure ethanol
On the basis of the data entered, the amount of drink and the percentage of alcohol content calculator calculates pure ethyl alcohol that we consume.
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Arabic numbers Converter - Roman
Calculator converts numbers to roman Arabic or Roman to Arabic vice versa. The maximum value that the calculator correctly parse the number 3999.
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Medical
Unit Converter glucose (blood sugar)
converter converts the blood sugar level in milligrams per deciliter (mg / dL) in millimoles per liter (mmol / L) and vice versa. http://pl.wikipedia.org/wiki/Glikemia