Quadruple play Quadruple play In telecommunications, quadplay play or quad play is a marketing term combining the triple play service of broadband Internet access, television and telephone with wireless service provisions. This service set is also sometimes humorously referred to as "The Fantastic Four". "Mobile service provisions" refers in part to the ability of subscribers to purchase mobile phone like services, as is often seen in co-marketing efforts between providers of landline services. It also reflects the ambition to gain wireless access on the go to voice, internet, and content/video without tethering to a network via cables. Given advances in LTE and
Quadruple-precision floating-point format implement nearly quadruple precision using "pairs" of double-precision values is sometimes called double-double arithmetic. Using pairs of IEEE double-precision values with 53-bit significands, double-double arithmetic can represent operations with at least a 2×53=106-bit significand (actually 107 bits except for some of the largest values, due to the limited exponent range), only slightly less precise than the 113-bit significand of IEEE binary128 quadruple precision. The range of a double-double remains essentially the same as the double-precision format because the exponent has still 11 bits, significantly lower than the 15-bit exponent of IEEE quadruple precision (a range of for double-double versus for