Math

Number of triangular

In math calculator calculate triangular number is a number that can be represented as the sum of consecutive integers starting.

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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.

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Math

Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.

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Chemical

Radioactive decay

The calculator calculates how much radioactive material remains after a certain period of time.

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Life

Battery charging time calculator

Calculator to the data calculates the estimated time of charging.

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Building

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.

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Physical

The electromagnetic force coil (Electromagnetic Force)

Calculator to input current, cross-sectional area, length and number of turns of the coil face it generated electromagnetic force.

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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.