Chemical

Radioactive decay

The calculator calculates how much radioactive material remains after a certain period of time.

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33379

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).

12337

Chemical

Molar concentration of mass and volume

Calculator allows to determine the molar concentration of the solution.

10081

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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Math

Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.

46486

Life

Calculate how much you drink pure ethanol

On the basis of the data entered, the amount of drink and the percentage of alcohol content calculator calculates pure ethyl alcohol that we consume.

157227

Employee

Retirement calculator - calculation of the transition to retirement in Poland

Jak obliczyć kiedy przejdę na emeryturę? Kiedy przejdę na emeryturę wg nowych zasad?

Calculator allows you to calculate the age at which you can retire.

876878

Building

Number of wallpapers

Jak oszacować niezbędną ilość tapety?
Ile kupić tapety?
Jak obliczyć ilość tapety potrzebną do wytapetowania pokoju?

Calculator to estimate the necessary amount of wallpaper needed to wytapetowania room of the given dimensions.

2492559

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.