and ubyte - 8 bits ushort - 16 bits uint - 32 bits ulong - 64 bits ucent - 128 bits float - 32 bits double - 64 bits real

and ubyte - 8 bits ushort - 16 bits uint - 32 bits ulong - 64 bits ucent - 128 bits float - 32 bits double - 64 bits real - maximum precision hardware allows (80 bits on x87).