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Generators
Pseudo-random number generator without repetition
Calculator generates random numbers without repetition from 0 to n-1.
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Generators
MD5 generator
Jak wygenerować skrót wiadomości z użyciem algorytmu MD5?
Generates a message using MD5 algorithm.
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Generators
SHA-1 generator
Jak wygenerować skrót wiadomości z użyciem algorytmu SHA-1?
Generates a message using SHA-1 algorithm.
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Math
Roots of a quadratic equation
Calculator based on the entered coefficients calculated roots of a quadratic equation.
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Building
Insulation of wall
Jak policzyć izolację ścian?
Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
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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.
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Financial
ROCE - an indicator of the efficiency of investment
The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.
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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.