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Pi (letter)

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The character encodings in the tables above are intended for use as mathematical symbols. Text written in the Greek language (i.e. words, as opposed to mathematics) should not come from any of the tables on this page, but instead should use the normal Greek letters, which have different code numbers
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and often a different appearance. Using the mathematical symbols to display words (or vice versa) is likely to result in inconsistent spacing and a clumsy, mismatched appearance.
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Kobayashi, Hiroyuki; Takeuchi, Shingo (2019). "Applications of generalized trigonometric functions with two parameters".
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design, created by Jim Evans in 1995, in which the lowercase letter π stands for the first letter of polyamory.
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variant of lowercase pi sometimes used in technical contexts. It resembles a lowercase
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This article is about a Greek letter. For the number symbolized by this letter, see
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design, created by Jim Evans in 1995, pi stands for the first letter of polyamory).
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form of pi, with its legs bent inward to meet. It was also used in the
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Greek letters used in mathematics, science, and engineering#Ππ (pi)
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of a representation (probably to better distinguish from elements
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Outline for Weeks 14&15, Astronomy 225 Spring 2008
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Schriftzeichen und Alphabete aller Zeiten und Völker
810:, exactly half of the circle constant. The letter " 2690:"Unicode characters supported by the Calibri font" 1164: 1144: 1078: 1023: 2643: 1020: 798: ≈ 3.14159..., the ratio of a circle's 2717: 679:The uppercase letter Π is used as a symbol for: 2551:An Introduction to Greek and Latin Palaeography 842:Dimensionless parameters constructed using the 630:it has a value of 80. It was derived from the 2646:Communications on Pure & Applied Analysis 1316: 1066:(angular frequency is usually represented by 614:, meaning units united, and representing the 552: 2513:"What does the polyamorous flag look like?" 1152:of the Weyl group, than the usual notation 882:in which the p orbitals overlap, called a 769:in continuum mechanics and fluid dynamics. 559: 545: 2657: 1019: 814:" is the first letter of the Greek words 2582: 2547: 2494:"21 LGBTQ Flags and What They Symbolize" 918: 737:operator in mathematics, indicated with 2491: 1188:The various forms of pi are present in 2718: 2473:from the original on February 26, 2021 2464: 1183: 744:(in analogy to the use of the capital 646:). Letters that arose from pi include 1043:, though historically it is simply a 621: 605: 950: 826:'perimeter', i.e. the circumference. 2708:Greek and Coptic (Range: 0370-03FF) 13: 14: 2737: 2613:Eric Weisstein's World of Physics 2548:Thompson, Edward Maunde (2013) . 2531:"Jim Evans' Polyamory Pride Flag" 2510: 2465:Thomas, Melody (April 22, 2019). 610:) is the sixteenth letter of the 988: 954: 640: 527: 526: 29: 2700: 2682: 2637: 773: 674: 2619: 2601: 2576: 2541: 2523: 2504: 2492:Schumer, Lizz (May 16, 2022). 2485: 2458: 2434: 1086:but this may be confused with 889:The natural projection on the 1: 2442:"Pi Symbol in Greek Alphabet" 2427: 1957:∐, ∐ 1282:GREEK LETTER SMALL CAPITAL PI 1090:in a fluid dynamics context). 1001: 1296:MATHEMATICAL ITALIC SMALL PI 722:, it represents a portfolio. 356:Diacritics and other symbols 7: 2400: 2372:Numeric character reference 2230:Numeric character reference 1895:Numeric character reference 1484:Numeric character reference 1024:{\displaystyle \varpi \,\!} 938:(in the earliest polyamory 10: 2742: 1317:Character encodings tables 1310:MATHEMATICAL BOLD SMALL PI 994:, appearing almost like a 946: 821: 815: 727:In science and engineering 616:voiceless bilabial plosive 582:/piː/ or /peî/, uppercase 15: 2310: 2308:DOUBLE-STRUCK CAPITAL PI 2307: 2299: 2296: 2293: 2051: 2046: 2041: 2036: 2031: 2026: 2018: 2015: 2012: 2009: 2006: 2003: 2000: 1986: 1984: 1982: 1980: 1977: 1974: 1965: 1963: 1961: 1959: 1956: 1954:∏, ∏ 1953: 1950:Named character reference 1716: 1711: 1706: 1701: 1698: 1695: 1687: 1684: 1681: 1678: 1675: 1672: 1669: 1652: 1650: 1647: 1644: 1641: 1545: 1543: 1540: 1537: 1534: 1531:Named character reference 1368: 1366:COPTIC CAPITAL LETTER PI 1365: 1362: 1359: 1356: 1348: 1345: 1342: 1339: 1336: 1333: 1267:∏, ∏ 782:is used as a symbol for: 602: 515:Use as scientific symbols 2560:10.1017/cbo9781139833790 2032:MATHEMATICAL BOLD ITALIC 2027:MATHEMATICAL BOLD ITALIC 1357:GREEK CAPITAL LETTER PI 1110:Single-scattering albedo 986:An early form of pi was 2583:Faulmann, Karl (2000). 2311:DOUBLE-STRUCK SMALL PI 2052:MATHEMATICAL SANS-SERIF 2049:BOLD ITALIC CAPITAL PI 2047:MATHEMATICAL SANS-SERIF 2042:MATHEMATICAL SANS-SERIF 2037:MATHEMATICAL SANS-SERIF 1369:COPTIC SMALL LETTER PI 1206:GREEK CAPITAL LETTER PI 1165:{\displaystyle \omega } 1094:Longitude of pericenter 1079:{\displaystyle \omega } 900:The unary operation of 868:rate in macroeconomics. 831:prime-counting function 2289:Character information 1996:Character information 1665:Character information 1541:ϖ, ϖ 1360:GREEK SMALL LETTER PI 1329:Character information 1248:ϖ, ϖ 1166: 1146: 1080: 1051:. It is a symbol for: 1025: 931: 913:reinforcement learning 839:in algebraic topology. 786:The mathematical real 702:St. Petersburg, Russia 683:In textual criticism, 476:Use in other languages 279:Archaic local variants 2706:Unicode Code Charts: 2537:on November 10, 2014. 2054:BOLD ITALIC SMALL PI 1225:GREEK SMALL LETTER PI 1167: 1147: 1081: 1026: 922: 778:The lowercase letter 767:viscous stress tensor 2668:10.3934/cpaa.2019072 2407:П, п – Pe (Cyrillic) 1156: 1136: 1070: 1013: 848:dimensional analysis 844:Buckingham π theorem 720:Mathematical finance 686:Codex Petropolitanus 626:. In the system of 2290: 1997: 1717:MATHEMATICAL ITALIC 1712:MATHEMATICAL ITALIC 1666: 1330: 1184:Character encodings 1177:lemniscate constant 1130:Fundamental weights 1122:of a population in 1098:celestial mechanics 739:capital pi notation 2631:2010-06-15 at the 2288: 1995: 1664: 1328: 1323:Greek / Coptic Pi 1162: 1142: 1114:radiative transfer 1076: 1021: 966:. You can help by 932: 906:relational algebra 875:in microeconomics. 808:Euclidean geometry 711:, it represents a 499:Old Italic scripts 2594:978-3-8043-0374-4 2569:978-1-108-06181-0 2511:Walsh, Matthias. 2498:Good Housekeeping 2412:P, p – Pe (Latin) 2393: 2392: 2283: 2282: 1990: 1989: 1707:MATHEMATICAL BOLD 1702:MATHEMATICAL BOLD 1656: 1655: 1145:{\displaystyle w} 1104:Comoving distance 1056:Angular frequency 984: 983: 700:, now located in 569: 568: 351: 350: 264: 263: 2733: 2710: 2704: 2698: 2697: 2686: 2680: 2679: 2661: 2641: 2635: 2623: 2617: 2616: 2605: 2599: 2598: 2580: 2574: 2573: 2545: 2539: 2538: 2533:. Archived from 2527: 2521: 2520: 2508: 2502: 2501: 2489: 2483: 2482: 2480: 2478: 2462: 2456: 2455: 2453: 2452: 2446:greeksymbols.net 2438: 2389: 2385: 2381: 2377: 2291: 2287: 2279: 2275: 2271: 2267: 2263: 2259: 2255: 2251: 2247: 2243: 2239: 2235: 2039:BOLD CAPITAL PI 1998: 1994: 1944: 1940: 1936: 1932: 1928: 1924: 1920: 1916: 1912: 1908: 1904: 1900: 1699:N-ARY COPRODUCT 1667: 1663: 1659:Mathematical Pi 1525: 1521: 1517: 1513: 1509: 1505: 1501: 1497: 1493: 1489: 1363:GREEK PI SYMBOL 1331: 1327: 1311: 1308: 1305: 1303: 1297: 1294: 1291: 1289: 1283: 1280: 1277: 1275: 1268: 1264: 1261: 1258: 1256: 1249: 1245: 1242: 1239: 1237: 1230: 1226: 1223: 1220: 1218: 1211: 1207: 1204: 1201: 1199: 1171: 1169: 1168: 1163: 1151: 1149: 1148: 1143: 1085: 1083: 1082: 1077: 1049:minuscule script 1030: 1028: 1027: 1022: 993: 992: 979: 976: 958: 951: 825: 820:'periphery' and 819: 813: 781: 760:osmotic pressure 750: 743: 689:, a 9th-century 645: 644: 625: 620: 609: 604: 561: 554: 547: 530: 529: 467: 459: 451: 284: 283: 46: 45: 33: 26: 25: 2741: 2740: 2736: 2735: 2734: 2732: 2731: 2730: 2716: 2715: 2714: 2713: 2705: 2701: 2694:fileformat.info 2688: 2687: 2683: 2642: 2638: 2633:Wayback Machine 2624: 2620: 2607: 2606: 2602: 2595: 2581: 2577: 2570: 2546: 2542: 2529: 2528: 2524: 2509: 2505: 2490: 2486: 2476: 2474: 2463: 2459: 2450: 2448: 2440: 2439: 2435: 2430: 2403: 2398: 2285: 2178:240 157 158 185 2172:240 157 158 159 2166:240 157 157 191 2160:240 157 157 165 2154:240 157 157 133 2148:240 157 156 171 2053: 2048: 2043: 2038: 2033: 2028: 1992: 1843:240 157 156 139 1837:240 157 155 177 1831:240 157 155 145 1825:240 157 154 183 1718: 1713: 1708: 1703: 1661: 1325: 1319: 1309: 1306: 1301: 1300: 1295: 1292: 1287: 1286: 1281: 1278: 1273: 1272: 1266: 1262: 1259: 1254: 1253: 1247: 1244:GREEK PI SYMBOL 1243: 1240: 1235: 1234: 1228: 1224: 1221: 1216: 1215: 1209: 1205: 1202: 1197: 1196: 1186: 1157: 1154: 1153: 1137: 1134: 1133: 1071: 1068: 1067: 1014: 1011: 1010: 1004: 987: 980: 974: 971: 964:needs expansion 949: 837:Homotopy groups 833:in mathematics. 811: 779: 776: 748: 741: 709:legal shorthand 677: 664:pi (Ⲡ, ⲡ), and 639: 618: 565: 536: 471: 465: 457: 449: 443: 438: 424: 419: 365: 339: 282: 24: 21: 12: 11: 5: 2739: 2729: 2728: 2712: 2711: 2699: 2681: 2636: 2618: 2615:. wolfram.com. 2600: 2593: 2575: 2568: 2540: 2522: 2503: 2484: 2457: 2432: 2431: 2429: 2426: 2425: 2424: 2419: 2414: 2409: 2402: 2399: 2397: 2396: 2391: 2390: 2386: 2382: 2378: 2374: 2368: 2367: 2364: 2361: 2358: 2355: 2349: 2348: 2345: 2342: 2339: 2336: 2330: 2329: 2326: 2323: 2320: 2317: 2313: 2312: 2309: 2306: 2302: 2301: 2298: 2295: 2281: 2280: 2276: 2272: 2268: 2264: 2260: 2256: 2252: 2248: 2244: 2240: 2236: 2232: 2226: 2225: 2222: 2219: 2216: 2213: 2210: 2207: 2204: 2201: 2198: 2195: 2192: 2189: 2183: 2182: 2179: 2176: 2173: 2170: 2167: 2164: 2161: 2158: 2155: 2152: 2149: 2146: 2140: 2139: 2136: 2133: 2130: 2127: 2124: 2121: 2118: 2115: 2112: 2109: 2106: 2103: 2097: 2096: 2093: 2090: 2087: 2084: 2081: 2078: 2075: 2072: 2069: 2066: 2063: 2060: 2056: 2055: 2050: 2045: 2044:BOLD SMALL PI 2040: 2035: 2030: 2025: 2021: 2020: 2017: 2014: 2011: 2008: 2005: 2002: 1988: 1987: 1985: 1983: 1981: 1979: 1976: 1973: 1967: 1966: 1964: 1962: 1960: 1958: 1955: 1952: 1946: 1945: 1941: 1937: 1933: 1929: 1925: 1921: 1917: 1913: 1909: 1905: 1901: 1897: 1891: 1890: 1887: 1884: 1881: 1878: 1875: 1872: 1869: 1866: 1863: 1860: 1857: 1854: 1848: 1847: 1844: 1841: 1838: 1835: 1832: 1829: 1826: 1823: 1820: 1817: 1814: 1811: 1805: 1804: 1801: 1798: 1795: 1792: 1789: 1786: 1783: 1780: 1777: 1774: 1771: 1768: 1762: 1761: 1758: 1755: 1752: 1749: 1746: 1743: 1740: 1737: 1734: 1731: 1728: 1725: 1721: 1720: 1715: 1710: 1705: 1700: 1697: 1696:N-ARY PRODUCT 1694: 1690: 1689: 1686: 1683: 1680: 1677: 1674: 1671: 1657: 1654: 1653: 1651: 1649: 1646: 1643: 1640: 1634: 1633: 1631: 1629: 1627: 1625: 1623: 1621: 1618: 1615: 1612: 1609: 1605: 1604: 1602: 1600: 1598: 1596: 1594: 1592: 1589: 1586: 1583: 1580: 1576: 1575: 1573: 1571: 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1322: 1321: 1299: 1285: 1271: 1263:N-ARY PRODUCT 1252: 1233: 1214: 1195: 1194: 1193: 1191: 1178: 1174: 1159: 1139: 1131: 1128: 1125: 1121: 1118: 1115: 1111: 1108: 1106:in cosmology. 1105: 1102: 1099: 1095: 1092: 1089: 1073: 1065: 1061: 1057: 1054: 1053: 1052: 1050: 1046: 1042: 1038: 1034: 1016: 1009:or "pomega" ( 1008: 999: 998:with a hook. 997: 991: 978: 969: 965: 962:This section 960: 957: 953: 952: 941: 937: 934: 933: 929: 926: 923:The earliest 921: 914: 910: 907: 903: 899: 896: 892: 888: 885: 881: 880:chemical bond 877: 874: 870: 867: 863: 860: 856: 852: 849: 845: 841: 838: 835: 832: 828: 824: 818: 809: 805: 801: 800:circumference 797: 793: 789: 785: 784: 783: 768: 764: 762:in chemistry. 761: 757: 754: 747: 740: 736: 732: 731: 730: 728: 721: 717: 714: 710: 706: 703: 699: 695: 692: 688: 687: 682: 681: 680: 672: 670: 667: 663: 659: 656: 652: 649: 643: 637: 633: 629: 624: 617: 613: 608: 600: 596: 593: 589: 585: 581: 580:Ancient Greek 577: 573: 562: 557: 555: 550: 548: 543: 542: 540: 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2543: 2535:the original 2525: 2517:LGBTQ Nation 2516: 2506: 2497: 2487: 2475:. Retrieved 2460: 2449:. Retrieved 2445: 2436: 2388:ℼ 2380:ℿ 2284: 2181:F0 9D 9E B9 1991: 1911:∐ 1903:∏ 1846:F0 9D 9C 8B 1660: 1608:Windows 1253 1524:ⲡ 1520:ⲡ 1516:Ⲡ 1512:Ⲡ 1324: 1187: 1120:Mean fitness 1006: 1005: 985: 972: 968:adding to it 963: 777: 774:Lowercase Pi 725: 684: 678: 675:Uppercase Pi 607:[pi] 594: 587: 586:, lowercase 583: 571: 570: 278: 114: 23:Greek letter 2652:(3): 1509. 2384:ℼ 2376:ℿ 2363:226 132 188 2357:226 132 191 2221:55349 57273 2215:55349 57247 2209:55349 57215 2203:55349 57189 2197:55349 57157 2191:55349 57131 2175:F0 9D 9E 9F 2169:F0 9D 9D BF 2163:F0 9D 9D A5 2157:F0 9D 9D 85 2151:F0 9D 9C AB 2029:CAPITAL PI 1907:∐ 1899:∏ 1886:55349 57099 1880:55349 57073 1874:55349 57041 1868:55349 57015 1840:F0 9D 9B B1 1834:F0 9D 9B 91 1828:F0 9D 9A B7 1819:226 136 144 1813:226 136 143 1714:CAPITAL PI 1704:CAPITAL PI 1579:DOS Greek-2 1508:ϖ 1500:π 1492:Π 1475:226 178 161 1469:226 178 160 1031:or ϖ) is a 861:(pi meson). 857:called the 623:[p] 2659:1903.07407 2451:2023-02-07 2428:References 2224:D835 DFB9 2019:𝞹 1889:D835 DF0B 1688:𝜋 1504:ϖ 1496:π 1488:Π 1007:Variant pi 1002:Variant pi 975:March 2024 940:pride flag 928:pride flag 911:Policy in 902:projection 878:A type of 871:Sometimes 823:περίμετρος 817:περιφέρεια 796:constant π 792:irrational 790:(and thus 632:Phoenician 363:Diacritics 2676:102487670 2477:March 24, 2366:E2 84 BC 2316:Encodings 2300:ℼ 2218:D835 DF9F 2212:D835 DF7F 2206:D835 DF65 2200:D835 DF45 2194:D835 DF2B 2059:Encodings 2034:SMALL PI 2016:𝞟 2013:𝝿 2010:𝝥 2007:𝝅 2004:𝜫 1883:D835 DEF1 1877:D835 DED1 1871:D835 DEB7 1724:Encodings 1719:SMALL PI 1709:SMALL PI 1685:𝛱 1682:𝛑 1679:𝚷 1550:DOS Greek 1478:E2 B2 A1 1374:Encodings 1349:ⲡ 1307:𝛑 1293:𝜋 1160:ω 1088:vorticity 1074:ω 1017:ϖ 936:Polyamory 925:polyamory 866:inflation 753:summation 713:plaintiff 422:Ligatures 2720:Category 2629:Archived 2609:"Pomega" 2471:Archived 2401:See also 2360:E2 84 BF 2297:ℿ 2138:U+1D7B9 1822:E2 88 90 1816:E2 88 8F 1803:U+1D70B 1676:∐ 1673:∏ 1538:π 1535:Π 1472:E2 B2 A0 1346:Ⲡ 1279:ᴨ 1260:∏ 1229:π 1210:Π 895:manifold 804:diameter 755:symbol). 669:pairthra 660:(П, п), 655:Cyrillic 532:Category 494:Albanian 484:Bactrian 441:Numerals 2347:U+213C 2334:Unicode 2319:decimal 2294:Preview 2132:U+1D79F 2126:U+1D77F 2120:U+1D765 2114:U+1D745 2108:U+1D72B 2101:Unicode 2062:decimal 2001:Preview 1978:\coprod 1797:U+1D6F1 1791:U+1D6D1 1785:U+1D6B7 1766:Unicode 1727:decimal 1670:Preview 1463:207 150 1457:207 128 1451:206 160 1441:U+2CA1 1410:Unicode 1377:decimal 1343:ϖ 1340:π 1337:Π 1334:Preview 1302:U+1D6D1 1288:U+1D70B 1241:ϖ 1222:π 1203:Π 1190:Unicode 1124:biology 1045:cursive 1039:with a 947:History 884:pi bond 802:to its 735:product 698:Gospels 696:of the 634:letter 592:cursive 335:Digamma 291:Digamma 270:History 187:Upsilon 125:Epsilon 97:Omicron 2674:  2591:  2566:  2341:U+213F 2187:UTF-16 2135:120761 2129:120735 2123:120703 2117:120677 2111:120645 2105:120619 1852:UTF-16 1800:120587 1794:120561 1788:120529 1782:120503 1779:U+2210 1773:U+220F 1648:\varpi 1435:U+2CA0 1429:U+03D6 1423:U+03C0 1417:U+03A0 1304: 1290: 1276: 1274:U+1D28 1257: 1255:U+220F 1238: 1236:U+03D6 1219: 1217:U+03C0 1200: 1198:U+03A0 1041:macron 873:profit 864:Often 855:hadron 691:uncial 671:(𐍀). 666:Gothic 662:Coptic 576:/ˈpaɪ/ 489:Coptic 233:Lambda 2672:S2CID 2654:arXiv 2353:UTF-8 2144:UTF-8 1975:\prod 1809:UTF-8 1466:CF 96 1460:CF 80 1454:CE A0 1447:UTF-8 1438:11425 1432:11424 1058:of a 1037:omega 1033:glyph 996:gamma 893:on a 746:Sigma 694:codex 648:Latin 599:Greek 466:(900) 346:Sampi 317:Koppa 259:Omega 215:Kappa 179:Theta 151:Sigma 107:Delta 89:Gamma 53:Alpha 2589:ISBN 2564:ISBN 2479:2021 2344:8508 2338:8511 2328:hex 2095:hex 1865:2210 1862:8720 1859:220F 1856:8719 1776:8720 1770:8719 1760:hex 1404:hex 1192:as: 1175:The 1060:wave 859:pion 853:The 829:The 765:The 758:The 733:The 619:IPA: 458:(90) 330:Tsan 299:Heta 197:Iota 143:Zeta 71:Beta 2664:doi 2556:doi 2422:Tau 2325:dec 2322:hex 2092:dec 2089:hex 2086:dec 2083:hex 2080:dec 2077:hex 2074:dec 2071:hex 2068:dec 2065:hex 1971:TeX 1757:dec 1754:hex 1751:dec 1748:hex 1745:dec 1742:hex 1739:dec 1736:hex 1733:dec 1730:hex 1645:\pi 1642:\Pi 1638:TeX 1617:240 1611:208 1588:234 1582:198 1559:167 1553:143 1426:982 1420:960 1414:928 1401:dec 1398:hex 1395:dec 1392:hex 1389:dec 1386:hex 1383:dec 1380:hex 1112:in 1096:in 1062:in 970:. 904:in 846:of 806:in 751:as 718:In 707:In 450:(6) 309:San 241:Psi 223:Chi 205:Phi 169:Tau 161:Eta 147:Σσς 133:Rho 2722:: 2692:. 2670:. 2662:. 2650:18 2648:. 2611:. 2562:. 2515:. 2496:. 2469:. 2444:. 1620:F0 1614:D0 1591:EA 1585:C6 1562:A7 1556:8F 1172:). 794:) 729:: 658:Pe 653:, 636:Pe 603:πι 601:: 597:; 590:, 578:; 572:Pi 464:ϡ 456:ϟ 448:ϛ 415:σ̌ 255:Ωω 251:Mu 247:Μμ 237:Ψψ 229:Λλ 219:Χχ 211:Κκ 201:Φφ 193:Ιι 183:Υυ 175:Θθ 165:Ττ 157:Ηη 139:Ζζ 129:Ρρ 121:Εε 115:Pi 111:Ππ 103:Δδ 93:Οο 85:Γγ 79:Xi 75:Ξξ 67:Ββ 61:Nu 57:Νν 49:Αα 18:Pi 2696:. 2678:. 2666:: 2656:: 2597:. 2572:. 2558:: 2519:. 2500:. 2481:. 2454:. 1312:. 1269:) 1265:( 1250:) 1246:( 1231:) 1227:( 1212:) 1208:( 1179:. 1140:w 1126:. 1116:. 1100:. 977:) 973:( 915:. 908:. 897:. 886:. 850:. 812:π 780:π 749:Σ 742:Π 715:. 704:. 651:P 638:( 595:ϖ 588:π 584:Π 574:( 560:e 553:t 546:v 434:ϛ 429:ϗ 410:ᾳ 405:ϊ 400:ᾰ 395:ᾱ 390:ἁ 385:ἀ 380:ᾶ 375:ὰ 370:ά 342:Ͳ 323:Ͷ 313:Ϙ 305:Ϻ 295:Ͱ 287:Ϝ 20:.

Index

Pi

Greek alphabet
Alpha
Nu
Beta
Xi
Gamma
Omicron
Delta
Pi
Epsilon
Rho
Zeta
Sigma
Eta
Tau
Theta
Upsilon
Iota
Phi
Kappa
Chi
Lambda
Psi
Mu
Omega
History
Archaic local variants
Digamma

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