Number of square-triangle (square triangular number)

Number of square-triangle has the properties of a square and a triangular number.

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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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How long do you need to save

Based on input converter calculates how long you have to save to accumulate the required amount, taking into account the capitalization of monthly or annual basis.

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The distance calculator between cities Polish

Calculator helps you calculate the distance in a straight line between two selected major Polish cities.

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Statistical calculator

Calculator allows to determine the basic statistical parameters such as standard deviation, arithmetic mean, variance, and median for the values.

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Acute respiratory acidosis - the level of carbonic acid

The calculator calculates the change in the amount of carbonic acid in the body caused by impaired ability to excrete carbon dioxide through the respiratory system - an illness called acute respiratory acidosis.

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Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.