46872
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.

Long description



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54980
Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?
Calculator allows you to verify the ISBN number entered.
37234
Verifiers

Verifier numbers EAN-13 preview

 Verifier numbers EAN-13 Calculator allows you to verify the number entered EAN-13.          
29521
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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Calendar

Perpetual calendar

jak obliczyć dzień tygodnia na podstawie daty?
Calculator gives what day of the week for the date specified by the user.                  
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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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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.    
45949
Building

Amount of paint necessary to paint the room

Calculator to estimate the amount of paint needed to paint a room by painting a single and double.                  
5292
Math

Number of tetrahedral

Tetrahedral numbers are the natural numbers, for which it is possible to construct a tetrahedron formnego of bullets. They are a special case of the pyramidal numbers.