24797
Chemical
Radioactive decay
The calculator calculates how much radioactive material remains after a certain period of time.
see similar
90585
Chemical
Calculator enthalpy
Enthalpy calculator is used to calculate the heat transfer during the process kwazistatycznego occurring in a closed thermodynamic system under constant pressure (isobaric process).
39273
Chemical
Dilution of solutions
Legend of given volume and calculates the concentrations of the solutions before and after dilution of the volume of solution added is calculated.
29342
Chemical
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
Users also viewed
28528
Math
Number cheerful
Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.
46475
Calendar
Calculator seniority in Poland
Calculator to calculate the total length of service after the date of employment or dismissal.
1069747
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.
338848
Financial
ROCE - an indicator of the efficiency of investment
The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.
3681884
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.