37146
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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87832
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).
27629
Chemical
Molar concentration of mass and volume
Calculator allows to determine the molar concentration of the solution.
22900
Chemical
Radioactive decay
The calculator calculates how much radioactive material remains after a certain period of time.
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27954
Math
The harmonic mean
Calculator based on the entered numbers separated by commas calculate the harmonic mean.
21703
Math
The sum of squares of integers from 1 to n
The calculator calculates the sum of squares of consecutive integers from one to the specified value.
62859
Verifiers
Verification of the social security number in Poland
It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.
269568
Employee
How do I calculate vacation? Calculator dimension leave in Poland
jak wyliczyć urlop wypoczynkowy?
jak obliczyć urlop?
jak się liczy urlop wypoczynkowy?
Calculator by entering the type of secondary education and the start and end dates of employment shall calculate the chargeable period of annual leave.
51154
Financial
Gross-Net Calculator prices of goods and services in Poland
Jak obliczyć kwotę brutto z uwzględnieniem podatku VAT?
Jak obliczyć kwotę netto z uwzględnieniem podatku VAT?
It allows you to calculate the amount of gross or net price including VAT