Full Title: Nova Acta Academiae Scientiarum Imperialis Petropolitanae (New Transactions of the Imperial Academy of Sciences in St. Petersburg).

The Nova Acta was the primary St. Petersburg Academy journal from 1783 to 1802. Many of Euler's posthumously published works appeared here.

Predecessor Journal: Acta Academiae.
Successor Journal: St. Pétersbourg Mémoires.

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Publications from 1787

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E609: Considerationes super traiectoriis tam rectangulis quam obliquangulis

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E610: Novae demonstrationes circa divisores numerorum formae xx + nyy

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E611: Investigatio curvarum quae similes sint suis evolutis vel primis vel secundis vel tertiis vel adeo ordinis cuiuscunque

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E612: De motu globi heterogenei super plano horizontali, una cum dilucidationibus necessariis super motu vacillatorio

Publications from 1788

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E614: Commentatio de curvis tractoriis

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E615: De curvis tractoriis compositis

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E616: De transformatione seriei divergentis 1 – mx + m(m+n)x2m(m+n)(m+2n)x3 + etc. in fractionem continuam

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E617: De summatione serierum, in quibus terminorum signa alternantur

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E618: Consideratio motus singularis, qui in filo perfecte flexili locum habere potest

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E619: Enodatio difficultatis super figura terrae a vi centrifuga oriunda

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E620: Methodus facilis inveniendi integrali huius formulae ∫∂x/x∙(xn+p – 2xncos(ζ) + xn-p)/(x2n – 2xncos(θ) + 1) casu, post integrationem ponitur vel x=1 vel x=∞

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E621: De summo usu calculi imaginariorum in analysi

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E622: Specimen singulare analyseos infinitorum indeterminatae

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E623: De lineis rectificabilibus in superficie sphaeroidica quacunque geometrice ducendis

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E624: De superficie coni scaleni, ubi imprimis intentes difficultates, quae in hac investigatione occurrunt, perpenduntur

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E625: De viribus centripetis, ad curvas non in eodem plano sitas describendas, requisitis

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E626: De motu trium corporum se mutuo attrahentium super eadem linea recta

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E627: Solutio problematis mechanici

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E628: Éclaircissemens sur le mémoire de Mr. de La Grange, inséré dans le Ve. volume de Mélanges de Turin, concernant la méthode de prendre le milieu entre les résultats de plusiers observations, etc.

Publications from 1789

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E629: Evolutio formulae integralis ∫∂x∙(1/(1–x) + 1/log(x)) a termino x=0 ad x=1 extensae

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E630: Uberior explicatio methodi singularis nuper expositae integralia alias maxime abscondita investigandi

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E631: Analysis facilis et plana ad eas series maxime abstrusas perducens, quibus omnium aequationum algebraicarum non solum radices ipsae sed etiam quaevis earum potestates exprimi possunt

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E632: De innumeris generibus serierum maxime memorabilium, quibus omnium aequationum algebraicarum non solum radices ipsae sed etiam quaecumque earum potestates exprimi possunt

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E633: De binis curvis algebraicis inveniendis, quarum arcus indefinite inter se sint aequales

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E634: De motu oscillatorio tabulae suspensae et a vento agitatae

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E635: Innumera theoremata circa formulas integrales, quorum demonstratio vires analyseos superare videatur

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E636: De multiplicatione angulorum per factores expedienda

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E637: Nova demonstratio, quod evolutio potestatum binomii Newtoniana etiam pro exponentibus fractis valeat

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E638: De innumeris curvis algebraicis, quarum longitudinem per arcus parabolicos metiri licet

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E639: De innumeris curvis algebraicis, quarum longitudinem per arcus parabolicos metiri licet

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E640: Comparatio valorum formulae integralis ∫xp-1∂x/(1–xn)(n-q)/n a termino x=0 usque ad x=1 extensae

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E641: De motu quodam maxime memorabili, satis quidem simplici, at solutu difficillimo

Publications from 1790

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E642: De singulari ratione differentiandi et intagrandi, quae in summis serierum occurrit

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E643: Methodus generalis investigandi radices omnium aequationum per approximationem

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E644: Innumerae aequationum formae ex omnibus ordinibus, quarum resolutio exhiberi potest

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E645: De curvis algebraicis, quarum longitudo exprimitur hac formula integrali ∫(vm-1 ∂v)/√(1–v2n)

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E646: De duabus pluribusve curvis algebraicis in quibus si a terminis fixis aequales arcus abscindantur eorum amplitudines datam inter se teneant rationem

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E647: De methodo tangentium inversa ad theoriam solidorum translata

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E648: Solutio facilis problematis, quo quaeritur circulus, qui datos tres circulos tangat

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E649: De motu oscillatorio penduli circa axem cylindricum plano horizontali incumbentem

Publications from 1793

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E650: De formulis differentialibus quae per duas pluresve quantitates datas multiplicatae fiant integrabiles

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E651: Quatuor theoremata maxime notatu digna in calculo integrali

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E652: De termino generali serierum hypergeometricarum

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E653: De iterata integratione formularum integralium, dum aliquis exponens pro variabili assumitur

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E654: Methodus facilis investigandi radium osculi ex principio maximorum et minimorum petita

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E655: Observationes generales circa series, quarum termini secundum sinus vel cosinus angulorum multiplorum progrediuntur

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E656: De integrationibus maxime memorabilibus ex calculo imaginariorum oriundis

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E657: Supplementum ad dissertationem praecedentem circa integrationem vormulae ∫(zm-1 ∂z)/(1–zn) casu quo ponitur z = v(cos(ϕ) + √(-1)∙sin(ϕ))

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E658: De momentis virium respectu axis cuiuscunque inveniendis; ubi plura insignia symptomata circa binas rectas, non in eodem plano sitas, explicantur

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E659: Methodus facilis omnium virium momenta respectu axis cuiuscunque determinandi

Publications from 1794

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E661: Variae considerationes circa series hypergeometricas

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E662: De vero valore formulae integralis ∫∂x∙(log(1/x))n a termino x=0 usque ad terminum x=1 extensae

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E663: Plenior expositio serierum illarum memorabilium, quae ex unciis potestatum binomii formantur

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E664: Exercitatio analytica

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E665: Evolutio problematis cuius solutio analytica est difficillima dum synthetica per se est obvia

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E666: Problema geometricum ob singularia symptomata imprimis memorabile

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E667: De curvis hyperbolicis quae intra suas assymtotas spatium finitum includunt

Publications from 1795

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E683: De singulari genere quaestionum Diophantearum et methodo maxime recondita eas resolvendi

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E684: De radicibus aequationis infinitae 0 = 1 – xx/(n(n+1)) + x4/(n(n+1)(n+2)(n+3)) – x6/(n.....(n+5)) + etc.

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E685: Exercitatio analytica, ubi imprimis seriei maxime generalis summatio traditur

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E686: Dilucidationes super formulis, quibus sinus et cosinus angulorum multiplorum exprimi solent, ubi simul ingentes difficultates diluuntur

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E687: De insignibus proprietatibus formularum integralium praeter binas variabiles etiam earum differentialia cuiuscunque ordinis involventium

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E688: Specimen integrationis abstrusissimae hac formula ∫∂x/((1+x)∙(2xx–1)1/4) contentae

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E689: Integratio formulae differentialis maxime irrationalis, quam tamen per logarithmos et arcus circulares expedire licet

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E690: Evolutio formulae integralis ∫∂z(3+zz)/((1+zz)∙(1+6zz+z4)1/4) per logarithmos et arcus circulares

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E691: Problema geometricum quo inter omnes ellipses quae per data quatuor puncta traduci possunt ea quaeritur quae habet aream minimam

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E692: Solutio problematis maxime curiosi quo inter omnes ellipses quae circa datum triangulum circumscribi possunt ea quaeritur cuius area sit omnium minima

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E693: De centro simulitudinis

Publications from 1797

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E694: Ulterior disquitio de formulis integralibus imaginariis

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E695: Integratio succincta formulae integralis maxime memorabilis ∫∂z/((3±zz)∙(1±3zz)1/3)

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E696: De casibus quibus hanc formulam x4 + kxxyy + y4 ad quadratum reducere licet

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E697: Investigatio superficierum quarum normales ad datum planum productae sint omnes inter se aequales

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E698: Variae speculationes super area triangulorum sphaericorum

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E699: Utrum hic numerus 100009 sit primus necne inquiritur

Publications from 1798

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E700: De formulis differentialibus secundi gradus quae integrationem admittunt

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E701: Formae generales differentialium, quae, etsi nulla substitutione rationales reddi possunt. tamen integrationem per logarithmos et arcus circulares admittunt

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E702: De novo genere quaestionum arithmeticarum pro quibus solvendis certa methodus adhuc desideratur

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E703: Methodus facilis inveniendi series per sinus sosinusve angulorum multiplorum procedentes, quarum usus in universa theoria astronomiae est amplissimus

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E704: Disquisitio ulterior super seriebus secundum multipla cuiusdam anguli progredientibus

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E705: Investigatio quarundam serierum, quae ad rationem peripheriae circuli ad diametrum vero proxime definiendam maxime sunt accommodatae

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E706: De novo genere serierum rationalium et valde convergentium, quibus ratio peripheriae ad diametrum exprimi potest

Publications from 1801

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E707: De insigni usu calculi imaginariorum in calculo integrali

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E708: De formulis speciei mxx+nyy ad numeros primos explorandos idoneis earumque mirabilibus proprietatibus

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E709: De evolutione potestatis polynomialis cuiuscunque (1 + x + x2 + x3 + x4 + etc.)n

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E710: Specimen transformationis singularis serierum

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E711: Methodus nova ac facilis omnium aequationum algebraicarum radices non solum ipsas sed etiam quascumque earum potestates per series concinnas exprimendi

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E712: De corporibus cylindricis incurvatis

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E713: Investigatio trianguli in quo distantiae angulorum ab eius centro gravitatis rationaliter exprimantur

Publications from 1802

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E714: Exempla quarundam memorabilium aequationum differentialium, quas adeo algebraice integrare licet, etiamsi nulla via pateat variabiles a se invicem separandi

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E715: De variis modis numeros praegrandes examinandi, utrum sint primi necne?

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E716: Resolutio formulae diophanteae ab(maa+nbb)=cd(mcc+ndd) per numeros rationales

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E717: Solutio problematis mechanici

Publications from 1805

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E718: Facillima methodus plurimos numeros primos praemagnos inveniendi

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E719: Methodus generalior numeros quosvis satis grandes perscrutandi utrum sint primi necne?

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E720: Observatio singularis circa aequationes differentiales lineares

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E721: De integrationibus difficillimis, quarum integralia tamen aliunde exhiberi possunt

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E722: Disquitiones analyticae super evolutione potestatis trinomialis (1+x+xx)n

Publications from 1806

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E724: Recherches sur quelques intégrations remarquables dans l'analyse des fonctions à deux variables connues sous le nom de différences partielles

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E725: Illustratio paradoxi circa progressionem numerorum idoneorum sive congruorum

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E726: Demonstratio insignis theorematis numerici circa uncias potestatum binomialium