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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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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).
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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.
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Chemical
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
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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.
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Calculator ARP (annual percentage rate)
calculator to input the loan amount, the amount of commission (percentage) and the repayment time is calculated the annual interest rate.
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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.
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Health
Iron deficiency
The calculator calculates the dose of iron necessary to adopt a parenteral route to compensate for the normal level of the common deficiency.