For example, in the case of the square root, a horizontal bar extending the square root sign over the argument can indicate the extent of the argument.
==Vrste==V družini šparov je 125 vrst v 37 rodovih;*Rod "Acanthopagrus"**"Acanthopagrus akazakii" (Iwatsuki, Kimura & Yoshino, 2006)**"Acanthopagrus australis" (Gunther, 1859)**"Acanthopagrus berda" (Forsskål, 1775)**"Acanthopagrus bifasciatus" (Forsskål, 1775)**"Acanthopagrus butcheri" (Munro, 1949)**"Acanthopagrus latus" (Houttuyn, 1782)**"Acanthopagrus palmaris" (Whitley, 1935)**"Acanthopagrus schlegelii czerskii" (Berg, 1914)**"Acanthopagrus schlegelii schlegelii" (Bleeker, 1854)**"Acanthopagrus sivicolus" (Akazaki, 1962)**"Acanthopagrus taiwanensis" (Iwatsuki & Carpenter, 2006)*Rod "Allotaius"**"Allotaius spariformis" (Ogilby, 1910)*Rod "Archosargus"**"Archosargus pourtalesii" (Steindachner, 1881)**"Archosargus probatocephalus" (Walbaum, 1792)**"Archosargus rhomboidalis" (Linnaeus, 1758)*Rod "Argyrops"**"Argyrops bleekeri" (Oshima, 1927)**"Argyrops filamentosus" (Valenciennes, 1830)**"Argyrops megalommatus" (Klunzinger, 1870)**"Argyrops spinifer" (Forsskål, 1775)*Rod "Argyrozona"**"Argyrozona argyrozona" (Valenciennes, 1830)*Rod "Boops"**"Boops boops" (Linnaeus, 1758)**"Boops lineatus" (Boulenger, 1892)*Rod "Boopsoidea"**"Boopsoidea inornata" (Castelnau, 1861)*Rod "Calamus"**"Calamus arctifrons" (Goode & Bean, 1882)**"Calamus bajonado" (Bloch & Schneider, 1801)**"Calamus brachysomus" (Lockington, 1880)**"Calamus calamus" (Valenciennes, 1830)**"Calamus campechanus" (Randall & Caldwell, 1966)**"Calamus cervigoni" (Randall & Caldwell, 1966)**"Calamus leucosteus"(Jordan & Gilbert, 1885)**"Calamus mu" (Randall & Caldwell, 1966)**"Calamus nodosus" (Randall & Caldwell, 1966)**"Calamus penna" (Valenciennes, 1830)**"Calamus pennatula" (Guichenot, 1868)**"Calamus proridens" (Jordan & Gilbert, 1884)**"Calamus taurinus" (Jenyns, 1840)*Rod "Cheimerius"**"Cheimerius matsubarai" (Akazaki, 1962)**"Cheimerius nufar" (Valenciennes, 1830)*Rod "Chrysoblephus"**"Chrysoblephus anglicus" (Gilchrist & Thompson, 1908)**"Chrysoblephus cristiceps" (Valenciennes, 1830)**"Chrysoblephus gibbiceps" (Valenciennes, 1830)**"Chrysoblephus laticeps" (Valenciennes, 1830)**"Chrysoblephus lophus" (Fowler, 1925)**"Chrysoblephus puniceus" (Gilchrist & Thompson, 1908)*Rod "Chrysophrys**"Chrysophrys auratus" (Forster, 1801)*Rod "Crenidens"**"Crenidens crenidens" (Forsskål, 1775)*Rod "Cymatoceps"**"Cymatoceps nasutus" (Castelnau, 1861)*Rod "Dentex"**"Dentex angolensis" (Poll & Maul, 1953)**"Dentex barnardi" (Cadenat, 1970)**"Dentex canariensis" (Steindachner, 1881)**"Dentex congoensis" (Poll, 1954)**"Dentex dentex", zobatec (Linnaeus, 1758)**"Dentex fourmanoiri" (Akazaki & Séret, 1999)**"Dentex gibbosus" (Rafinesque, 1810)**"Dentex macrophthalmus" (Bloch, 1791)**"Dentex maroccanus" (Valenciennes, 1830)**"Dentex tumifrons" (Temminck & Schlegel, 1843)*Rod "Diplodus"**"Diplodus annularis" (Linnaeus, 1758)**"Diplodus argenteus argenteus" (Valenciennes, 1830)**"Diplodus argenteus caudimacula" (Poey, 1860)**"Diplodus bellottii" (Steindachner, 1882)**"Diplodus bermudensis" (Caldwell, 1965)**"Diplodus capensis" (Smith, 1844)**"Diplodus cervinus cervinus" (Lowe, 1838)**"Diplodus cervinus hottentotus" (Smith, 1844)**"Diplodus cervinus omanensis" (Bauchot & Bianchi, 1984)**"Diplodus fasciatus" (Valenciennes, 1830)**"Diplodus holbrookii" (Bean, 1878)**"Diplodus noct" (Valenciennes, 1830)**"Diplodus prayensis" (Cadenat, 1964)**"Diplodus puntazzo", pic (Cetti, 1777)**"Diplodus sargus ascensionis" (Valenciennes, 1830)**"Diplodus sargus cadenati" (de la Paz, Bauchot & Daget, 1974)**"Diplodus sargus helenae" (Sauvage, 1879)**"Diplodus sargus kotschyi" (Steindachner, 1876)**"Diplodus sargus lineatus" (Valenciennes, 1830)**"Diplodus sargus sargus" (Linnaeus, 1758)**"Diplodus vulgaris" (Geoffroy Saint-Hilaire, 1817)*Rod "Evynnis"**"Evynnis cardinalis" (Lacepède, 1802)**"Evynnis japonica" (Tanaka, 1931)*Rod "Gymnocrotaphus"**"Gymnocrotaphus curvidens" (Günther, 1859)*Rod "Lagodon"**"Lagodon rhomboides" (Linnaeus, 1766)*Genus "Lithognathus"**"Lithognathus aureti" (Smith, 1962)**"Lithognathus lithognathus" (Cuvier, 1829)**"Lithognathus mormyrus" (Linnaeus, 1758)**"Lithognathus olivieri" (Penrith & Penrith, 1969)*Rod "Oblada"**"Oblada melanura" (Linnaeus, 1758)*Rod "Pachymetopon"**"Pachymetopon aeneum" (Gilchrist & Thompson, 1908)**"Pachymetopon blochii" (Valenciennes, 1830)**"Pachymetopon grande" (Günther, 1859)*Rod "Pagellus"**"Pagellus acarne" (Risso, 1827)**"Pagellus affinis" (Boulenger, 1888)**"Pagellus bellottii" (Steindachner, 1882)**"Pagellus bogaraveo" (Brünnich, 1768)**"Pagellus erythrinus", ribon (Linnaeus, 1758)**"Pagellus natalensis" (Steindachner, 1903)*Rod "Pagrus"**"Pagrus africanus" (Akazaki, 1962)**"Pagrus auriga" (Valenciennes, 1843)**"Pagrus caeruleostictus" (Valenciennes, 1830)**"Pagrus major" (Temminck & Schlegel, 1843)**"Pagrus pagrus", pagar (Linnaeus, 1758)*Rod "Parargyrops"**"Parargyrops edita" (Tanaka, 1916)*Rod "Petrus"**"Petrus rupestris" (Valenciennes, 1830)*Rod "Polyamblyodon**"Polyamblyodon germanum" (Barnard, 1934)**"Polyamblyodon gibbosum" (Pellegrin, 1914)*Rod "Polysteganus"**"Polysteganus baissaci" (Smith, 1978)**"Polysteganus coeruleopunctatus" (Klunzinger, 1870)**"Polysteganus praeorbitalis" (Günther, 1859)**"Polysteganus undulosus" (Regan, 1908)*Rod "Porcostoma"**"Porcostoma dentata" (Gilchrist & Thompson, 1908)*Rod "Ptreogymnus"**"Pterogymnus laniarius", Panga (Valenciennes, 1830)*Rod "Rhabdosargus"**"Rhabdosargus globiceps" (Valenciennes, 1830)**"Rhabdosargus haffara" (Forsskål, 1775)**"Rhabdosargus holubi" (Steindachner, 1881)**"Rhabdosargus sarba" (Forsskål, 1775)**"Rhabdosargus thorpei" (Smith, 1979)*Rod "Sarpa"**"Sarpa salpa", Salpa (Linnaeus, 1758)*Rod "Sparidentex"**"Sparidentex hasta" (Valenciennes, 1830)*Rod "Sparodon"**"Sparodon durbanensis" (Castelnau, 1861)*Rod "Sparus"**"Sparus aurata", orada (Linnaeus, 1758)*Rod "Spondyliosoma"**"Spondyliosoma cantharus" (Linnaeus, 1758)**"Spondyliosoma emarginatum" (Valenciennes, 1830)*Rod "Stenotomus"**"Stenotomus caprinus" (Jordan & Gilbert, 1882)**"Stenotomus chrysops" (Linnaeus, 1766)*Rod "Virididentex"**"Virididentex acromegalus" (Osório, 1911)==Gastronomija==Najbolj cenjeni vrsti sta orada in zobatec.