1278586
Math
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
52393
Life
Calculator - dosage of CO2 in the aquarium
Ile co2 w akwarium?
Dawkowanie co2 w akwarium.
The online calculator by entering the pH and kH values to calculate the concentration of CO2 in the aquarium.
22925
Math
Quadratic function
Calculator Resets three forms of a quadratic function. After selecting the input as a function of the square and its corresponding parameters returns two other figures given quadratic function.
31753
Financial
Key indicator Return on assets (ROA)
Calculator based on the values entered in net profit and assets are calculated return on assets ROA. ROA is a measure of return on assets. This ratio indicates a company's ability (and more specifically - of its assets) to generate profit.
147743
Life
Battery charging time calculator
Calculator to the data calculates the estimated time of charging.
37596
Life
The distance calculator between cities Polish
Calculator helps you calculate the distance in a straight line between two selected major Polish cities.
105524
Building
Associated ceiling material thickribs
Calculator allows you to calculate the approximate consumption of materials per 1 m2 rib ceiling with ceramic and concrete.
23317
Financial
Purchase price / sales tax bill
Financial Calculator will calculate the price of the purchase or sale of Treasury bills and the amount and an annual discount rate.
15803
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.
26330
Physical
Friis transmission equation
The calculator calculates the power at which the antenna receives the signal output from the second antenna of the power and distance greater than a single wavelength. The higher the frequency, the higher the transmission power loss from the signal transmission.
277841
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.
28798
Math
Calculate how many words and characters in the text
The calculator is designed to count the amount of words and letters in the text
28627
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.