There are four main blood groups defined by the ABO system: 1  blood group A has A antigens on the red blood cells with anti-B antibodies in the plasma. 2  blood group B has B antigens with anti-A antibodies in the plasma. 3  blood group O has no antigens, but both anti-A and anti-B antibodies in the plasma.
A polynomial is a mathematical expression consisting of a sum of terms, each term including a variable or variables raised to a power and multiplied by a coefficient. A polynomial is a mathematical expression consisting of a sum of terms, each term including a variable or variables raised to a power and multiplied by a coefficient. The simplest polynomials have one variable. A one-variable (univariate) polynomial of degree n has the following form: anxn + an-1xn-1 + ...
In many industries, the first polynomial is in use to create CRC tables and then apply it for performance purposes. The default polynomial, defined by IEEE 802.3 is 0xA001 for 16 bit and 0Ã04C11DB7 for 32 bit. We're in C#, thus we should use its inversed version which is 0Ã8408 for 16 bit and 0xEDB88320 for 32 bit. We're going to use those polynomials also in our sample. So letâs start. Because CRC is HashAlgorithm after all, we can derive our classes from System.Security.Cryptography.HashAlgorithm class.