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Verifiers
Is the phrase is a palindrome
Calculator checks to see if the specified expression is a palindrome. Palindrome - sounding words as read from left to right and from right to left.
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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.
65434
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.
55544
Verifiers
Verifier numbers EAN-13 preview
Verifier numbers EAN-13
Calculator allows you to verify the number entered EAN-13.
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Verification of the REGON number in Poland
Verifier allows you to validate entered REGON number
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Life
Map Scale Converter
Calculator allows to determine the actual distance corresponding to the distance on the map with the specified scale. If the map at 1:500,000 scale the input field, enter the value 500000.
46877
Life
Size calculator added sugar to wine [brix scale]
Calculator allows to determine the amount of sugar needed to raise the level of its content in the wine to the expected level.
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Building
Associated ceiling material thickribs
Calculator allows you to calculate the approximate consumption of materials per 1 m2 rib ceiling with ceramic and concrete.