Verifiers

Verifier numbers EAN-8 preview

Verifier numbers EAN-8 Calculator allows you to verify the number entered EAN-8.

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Verifiers

Verification ISBN preview

Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?

Calculator allows you to verify the ISBN number entered.

64647

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.

54732

Verifiers

Verifier numbers EAN-13 preview

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

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Math

Combination of characters and numbers

Calculator allows to determine the existing combinations for the user-specified string.

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Building

Calculator VAT refund for building materials

The calculator calculates the amount of VAT that can be refunded in respect of incurred expenses associated with the purchase of construction materials.

335798

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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Life

Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description

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Medical

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.