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.
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
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.
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
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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.
Amount of paint necessary to paint the room
Calculator to estimate the amount of paint needed to paint a room by painting a single and double.
Calculate the cost of electricity consumption device
The calculator is designed to calculate the cost of using the selected appliance. Only devices running without interruption.
Roots of a quadratic equation
Calculator based on the entered coefficients calculated roots of a quadratic equation.