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Verifiers
Verification of the ISSN
Calculator allows you to verify the number entered ISSN (International Standard Serial Number serial publication). FAQ: How ISSN number?
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Verifiers
Verification ISBN preview
Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?
Jak zweryfikować numer ISBN?
Calculator allows you to verify the ISBN number entered.
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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.
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Verifiers
Verifier numbers EAN-13 preview
Verifier numbers EAN-13
Calculator allows you to verify the number entered EAN-13.
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Calculator Body Surface BSA (Body Surface Area)
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The calculator calculates the BSA (Body Surface Area) by the formula Mosteller and Dubois.
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Math
Convolution of two vectors
The calculator performs convolution of two vectors of the same length in the field of real numbers by zsuwową.
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Insulation of wall
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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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The percentage reduction in blood urea after dialysis
Calculator to the data is given as change the level of urea in the blood after hemodialysis.
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Return on investment over the
Calculator allows you to calculate the return on equity of investment in any financial instrument in relation to the value obtained at the beginning and end of the period.