26302
Chemical
Radioactive decay
The calculator calculates how much radioactive material remains after a certain period of time.
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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).
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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.
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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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Savings
LPG Calculator - Cost-effectiveness of the gas system in the car
The calculator calculates the savings resulting from the installation of the system in the car LPG gas system.
99181
Calendar
Perpetual calendar
jak obliczyć dzień tygodnia na podstawie daty?
Calculator gives what day of the week for the date specified by the user.
20398
Verifiers
Verifier numbers EAN-8 preview
Verifier numbers EAN-8
Calculator allows you to verify the number entered EAN-8.
26988
Building
Air conditioning calculator
Calculator helps you calculate the estimated power consumption for room air conditioner with the specified size and the number of people working in the space.
32582
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.