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Life
How far was struck by lightning
Calculator based on the specified time from seeing lightning until you hear thunder in the distance calculated discharge occurred.
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Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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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.
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Life
Battery charging time calculator
Calculator to the data calculates the estimated time of charging.
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Math
Area of a triangle using Heron's formula
calculator calculates the area of a triangle after a length of three sides.
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Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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Health
Calculator / BMI - Calculate Body Mass Index indicator
jak obliczyć BMI?
The online BMI calculator calculates the body mass index - BMI - based on height and weight entered.
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Pseudo-random number generator without repetition
Calculator generates random numbers without repetition from 0 to n-1.
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Employee
Calculator social security contributions - the calculation of rates in Poland
Jak obliczyć wysokość składek ZUS?
Jak obliczyć składkę na ubezpieczenie społeczne?
Jak obliczyć ubezpieczenie zdrowotne?
Calculator to calculate gross salary given social security contributions deducted from the salary of the employee and the employer. [since 2008]