Boyer, Carl B.; Uta C. Merzbach (1991). A History of Mathematics. John Wiley & Sons. pp. 439–445. ISBN0-471-54397-7.
Stephen Wolfram, Mathematical Notation: Past and Future
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เลออนฮาร, ออยเลอร, เยอรม, leonhard, euler, เมษายน, 2250, นยายน, 2326, เป, นน, กคณ, ตศาสตร, และน, กฟ, กส, ชาวสว, ได, อว, าเป, นน, กคณ, ตศาสตร, งใหญ, ดคนหน, งของโลก, เป, นบ, คคลแรกท, เร, มใช, คำว, งก, ในแวดวงคณ, ตศาสตร, ตามคำน, ยามของไลบ, ใน, 1694, ในการบรรยายถ,. elxxnhard xxyelxr eyxrmn Leonhard Euler 15 emsayn ph s 2250 18 knyayn ph s 2326 epnnkkhnitsastraelankfisikschawswis idchuxwaepnnkkhnitsastrthiyingihythisudkhnhnungkhxngolk elxxnhard xxyelxr epnbukhkhlaerkthierimichkhawa fngkchn 1 inaewdwngkhnitsastr tamkhaniyamkhxngilbnis in kh s 1694 inkarbrryaythungkhwamsmphnththiekiywkhxngkbtwaepr echn y f x nxkcakni ekhayngepnkhnaerkthinaaekhlkhulsekhaipprayuktinsastrfisiksphaphkhxngelxxnhard xxyelxr wadodycitrkr exmmanuexl hndmnn Emanuel Handmann emux kh s 1753 xxyelxrekidaelaotinemuxngbaesil ekhaepnedkthimikhwamepnxcchriyathangkhnitsastr ekhaepnsastracarysxnwichakhnitsastrthiesntpietxrsebirk aelatxmaksxnthiebxrlin aelaklbipxyuthiesntpietxrsebirkcwbcnwarasudthaykhxngchiwit ekhaepnnkkhnitsastrmiphlnganmakmaythisudkhnhnung phlnganthnghmdkhxngekharwbrwmidthung 75 elm phlnganehlanimixiththiphlxyangmaktxkarphthnakhxngkhnitsastrinstwrrsthi 18 xxyelxrsuyesiykarmxngehnaelatabxdsnithtlxd 17 pisudthayinchiwitkhxngekha thungkrann inchwngniexngthiekhasamarthphlitphlnganidmakthungkhrunghnungkhxngphlnganthnghmdthiekhaphlitkhunmadawekhraahnxy 2002 xxyelxr tngchuxephuxepnekiyrtiaekekha enuxha 1 phlngan 1 1 ekhruxnghmaythangkhnitsastr 2 duephim 3 xangxing 4 aehlngkhxmulxunphlngan aekikh kartikhwamhmayechingerkhakhnitkhxngsutrkhxngxxyelxr xxyelxrmiphlnganinaethbthuksakhakhxngwichakhnitsastr echn erkhakhnit aekhlkhuls trioknmiti phichkhnit thvsdicanwn epntn echnediywkbaewdwngfisiks echn phlnganeruxngklsastrkhwamtxenuxng thvsdikarekhluxnthikhxngdwngcnthr epntn xxyelxrthuxwaepnbukhkhlsakhykhnhnunginprawtisastraehngkhnitsastrxxyelxridrbkartngepnchuxkhxngcanwn 2 canwn xnidaek canwnkhxngxxyelxr e sungmikhapraman 2 71828 aela khakhngtwxxyelxr aemsechorni g mikhapraman 0 57721twxyangsutrkhnitsastrthixxyelxrkhidkhn e x n 0 x n n lim n 1 0 x 1 x 2 2 x n n displaystyle e x sum n 0 infty x n over n lim n to infty left frac 1 0 frac x 1 frac x 2 2 cdots frac x n n right n 1 1 n 2 lim n 1 1 2 1 2 2 1 3 2 1 n 2 p 2 6 displaystyle sum n 1 infty 1 over n 2 lim n to infty left frac 1 1 2 frac 1 2 2 frac 1 3 2 cdots frac 1 n 2 right frac pi 2 6 e i f cos f i sin f displaystyle e i varphi cos varphi i sin varphi sutrkhxngxxyelxr smkaraesdngkhwamsmphnthrahwangfngkchntrioknmitikbfngkchnelkhchikalngechingsxne i p 1 0 displaystyle e i pi 1 0 exklksnkhxngxxyelxr epnkrnihnungkhxngsutrxxyelxr f p displaystyle varphi pi odyaesdngkhakhngtwthangkhnitsastrthung 5 xyang idaek e i p 1 0 ekhruxnghmaythangkhnitsastr aekikh xxyelxrepnphunaesnxkhxtklngeruxngekhruxnghmaythangkhnitsastrcanwnmakphanphlngankhxngekha cnekidkarniymichknxyangaephrhlay twxyangthiednchdthisudkhux ekhaepnphuesnxkhwamkhidrwbyxderuxngfngkchn 1 aelaichsylksn f x epnkhrngaerk sungmikhwamhmaywa fngkchn f id thiichekhakbtwaepr xarkiwemnt x nxkcakni xxyelxryngkhidkhnekhruxnghmaytrioknmitithiichknxyangaephrhlayinpccubn ichxksr e aethnthankhxnglxkarithumthrrmchati inpccubn e michuxwacanwnkhxngxxyelxr ichxksrkrik S sikma aethnsykrnphlrwmcakkarbwkkhxngestcanwn aelaichxksr i aethnhnwycintphaph 2 epntn nxkcakni xxyelxryngichxksrkrik p thiaesdngthungxtraswnrahwangesnrxbwngtxesnphansunyklangkhxngwngklmid sungepnphlihekidkhwamniymichknxyangaephrhlay aemwaekhacaimidepnphurierimichktam 3 duephim aekikhaephnphaphxxyelxr priphnthxxyelxr khxkhwamkhadkarnkhxngxxyelxr saphanthngecdaehngemuxngekhxniksaebrkxangxing aekikh 1 0 1 1 Dunham 1999 p 17 Boyer Carl B Uta C Merzbach 1991 A History of Mathematics John Wiley amp Sons pp 439 445 ISBN 0 471 54397 7 Stephen Wolfram Mathematical Notation Past and Futureaehlngkhxmulxun aekikhLeonhardeuler com eulerarchive org ewbisdrwbrwmphlngankhxngxxyelxrekhathungcak https th wikipedia org w index php title elxxnhard xxyelxr amp oldid 7935109, wikipedia, วิกิ หนังสือ, หนังสือ, ห้องสมุด,