dvostruka preciznost(Characteristic of a number stored in twice the amount (two words; typically 8 bytes) of computer memory that is required for storing a less precise (single-precision) number. Commonly handled by a computer in floating-point form)
format duplo precizne plutajuće tačke(A computer number format that occupies 8 bytes (64 bits) in computer memory and represents a wide dynamic range of values by using floating point)