<!DOCTYPE html>
<html class="client-nojs vector-feature-night-mode-disabled vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-sticky-header-enabled" lang="en" dir="ltr"><head>
<meta charset="UTF-8">
<title>Euler (programming language)</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="canonical" href="https://en.wikipedia.org/wiki/Euler_(programming_language)"> <link href="./mw/ext.cite.styles.css" rel="stylesheet" type="text/css">
<link href="./mw/skins.vector.icons.css" rel="stylesheet" type="text/css">
<link href="./mw/skins.vector.search.codex.styles.css" rel="stylesheet" type="text/css">
<link href="./mw/skins.vector.styles.css" rel="stylesheet" type="text/css">
<link href="./mw/user.styles.css" rel="stylesheet" type="text/css">
<meta name="ResourceLoaderDynamicStyles" content="">
<link rel="stylesheet" type="text/css" href="./mw/site.styles.css">
<link rel="stylesheet" type="text/css" href="./mw/noscript.css">
<link rel="stylesheet" type="text/css" href="./footer.css">
<link rel="stylesheet" type="text/css" href="./vector-2022.css">
</head>
<body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject page-Euler_programming_language rootpage-Euler_programming_language skin-vector-2022 action-view">
<div class="mw-page-container">
<div class="mw-page-container-inner">
<div class="mw-content-container">
<main id="content" class="mw-body">
<header class="mw-body-header vector-page-titlebar">
<h1 id="firstHeading" class="firstHeading mw-first-heading">
<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Euler (programming language)</span></span>
</h1>
</header>
<a id="top"></a>
<div id="bodyContent" class="vector-body ve-init-mw-desktopArticleTarget-targetContainer" aria-labelledby="firstHeading" data-mw-ve-target-container="">
<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="en" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1305433154">
/* start https://en.wikipedia.org/ */
.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}
/* end https://en.wikipedia.org/ */
</style>
<p class="mw-empty-elt">
</p>
<style data-mw-deduplicate="TemplateStyles:r1295905060">
/* start https://en.wikipedia.org/ */
.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}
/* end https://en.wikipedia.org/ */
</style><table class="infobox vevent"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:#e0e0e0;">Euler</th></tr><tr><th scope="row" class="infobox-label"><a href="Programming_paradigm" title="Programming paradigm">Paradigms</a></th><td class="infobox-data"><a href="Multi-paradigm_programming_language" class="mw-redirect" title="Multi-paradigm programming language">Multi-paradigm</a>: <a href="Procedural_programming" title="Procedural programming">procedural</a>, <a href="Imperative_programming" title="Imperative programming">imperative</a>, <a href="Structured_programming" title="Structured programming">structured</a></td></tr><tr><th scope="row" class="infobox-label">Family</th><td class="infobox-data"><a href="ALGOL" title="ALGOL">ALGOL</a> <a href="Niklaus_Wirth" title="Niklaus Wirth">Wirth</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Software_design" title="Software design">Designed by</a></th><td class="infobox-data"><a href="Niklaus_Wirth" title="Niklaus Wirth">Niklaus Wirth</a><br>Helmut Weber</td></tr><tr><th scope="row" class="infobox-label"><a href="Software_developer" class="mw-redirect" title="Software developer">Developers</a></th><td class="infobox-data organiser"><a href="Stanford_University" title="Stanford University">Stanford University</a><br><a href="ETH_Zurich" title="ETH Zurich">ETH Zurich</a></td></tr><tr><th scope="row" class="infobox-label">First appeared</th><td class="infobox-data">1965<span style="display:none"> (<span class="bday dtstart published updated">1965</span>)</span></td></tr><tr><th scope="row" class="infobox-label"><a href="Type_system" title="Type system">Typing discipline</a></th><td class="infobox-data"><a href="Dynamic_typing" class="mw-redirect" title="Dynamic typing">dynamic</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Scope_(computer_science)" title="Scope (computer science)">Scope</a></th><td class="infobox-data"><a href="Scope_(computer_science)" title="Scope (computer science)">Lexical</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #EEEEEE;">Influenced by</th></tr><tr><td colspan="2" class="infobox-full-data"><a href="ALGOL_60" title="ALGOL 60">ALGOL 60</a></td></tr></tbody></table>
<p><b>Euler</b> is a <a href="Programming_language" title="Programming language">programming language</a> created by <a href="Niklaus_Wirth" title="Niklaus Wirth">Niklaus Wirth</a> and Helmut Weber, conceived as an extension and generalization of <a href="ALGOL_60" title="ALGOL 60">ALGOL 60</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The designers' goals were to create a language that is:
</p>
<ul><li>Simpler, yet more flexible, than ALGOL 60</li>
<li>Useful and processed with reasonable efficiency</li>
<li>Definable with <a href="Formal_methods" title="Formal methods">rigorous formality</a></li></ul>
<p>Available sources indicate that Euler was operational by 1965.
</p>
<meta property="mw:PageProp/toc">
<div class="mw-heading mw-heading2"><h2 id="Overview">Overview</h2></div>
<p>Euler employs a general <a href="Data_type" title="Data type">data type</a> concept. In Euler, <a href="Array_data_type" class="mw-redirect" title="Array data type">arrays</a>, <a href="Subroutine" class="mw-redirect" title="Subroutine">procedures</a>, and switches are not quantities which are declared and named by identifiers: in contrast to <a href="ALGOL" title="ALGOL">ALGOL</a>, they are not quantities on the same level as <a href="Variable_(computer_science)" title="Variable (computer science)">variables</a>. Rather, these quantities are on the level of numeric and boolean <a href="Constant_(computer_programming)" title="Constant (computer programming)">constants</a>. Thus, besides the traditional numeric and logical constants, Euler introduces several added types:
</p>
<ul><li>Reference</li>
<li><a href="Label_(programming_language)" class="mw-redirect" title="Label (programming language)">Label</a></li>
<li><a href="Symbol_(programming)" title="Symbol (programming)">Symbol</a></li>
<li>List (array)</li>
<li>Procedure</li>
<li>Undefined</li></ul>
<p>All constants can be assigned to variables, which have the same form as in ALGOL, but for which no fixed types are specified: Euler uses <a href="Dynamic_typing" class="mw-redirect" title="Dynamic typing">dynamic typing</a>. Further, a procedure can produce a value of <i>any</i> type when executed, and this type can vary <i>from one call of the procedure to the next</i>.
</p><p>Similarly, the elements of a list can have values of any type and these can differ from element to element within a list. So, when the list elements are labels, a switch is obtained. If the elements are procedures, a procedure list is obtained, which is unavailable in ALGOL 60. If the elements are lists themselves, then a general tree structure is obtained.
</p><p>Euler provides general type-test and type-conversion operators.
</p>
<div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div>
<ul><li><a href="Wirth%E2%80%93Weber_precedence_relationship" class="mw-redirect" title="Wirth–Weber precedence relationship">Wirth–Weber precedence relationship</a></li>
<li><a href="Simple_precedence_parser" class="mw-redirect" title="Simple precedence parser">Simple precedence parser</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
<style data-mw-deduplicate="TemplateStyles:r1239543626">
/* start https://en.wikipedia.org/ */
.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}
/* end https://en.wikipedia.org/ */
</style><div class="reflist">
<div class="mw-references-wrap"><ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">
<style data-mw-deduplicate="TemplateStyles:r1238218222">
/* start https://en.wikipedia.org/ */
.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("./mw/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("./mw/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("./mw/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("./mw/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}
/* end https://en.wikipedia.org/ */
</style><cite id="CITEREFWirthWeber1966" class="citation journal cs1"><a href="Niklaus_Wirth" title="Niklaus Wirth">Wirth, Niklaus</a>; Weber, Helmut (1966). "Euler: a generalization of ALGOL, and its formal definition: Part I". <i>Communications of the ACM</i>. <b>9</b> (1): <span class="nowrap">13–</span>25.</cite></span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">
<cite id="CITEREFWirthWeber1966" class="citation journal cs1"><a href="Niklaus_Wirth" title="Niklaus Wirth">Wirth, Niklaus</a>; Weber, Helmut (1966). "Euler: a generalization of ALGOL, and its formal definition: Part II". <i>Communications of the ACM</i>. <b>9</b> (2): <span class="nowrap">89–</span>99.</cite></span>
</li>
<li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">
<cite id="CITEREFChristopher1997" class="citation report cs1">Christopher, Thomas W. (1997). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20060901063907/http://www.iit.edu/~tc/euler.pdf">Euler: An Experiment in Language Definition</a> <span class="cs1-format">(PDF)</span> (Report). Illinois Institute of Technology. Archived from <a rel="nofollow" class="external text" href="http://www.iit.edu/~tc/euler.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 1 September 2006.</cite></span>
</li>
</ol></div></div>
<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>
<ul><li><a rel="nofollow" class="external text" href="https://github.com/pkimpel/retro-b5500/tree/master/source/EULER">EULER</a> on <a href="GitHub" title="GitHub">GitHub</a> - EULER IV for the <a href="Burroughs_Large_Systems#B5000" title="Burroughs Large Systems">Burroughs B5500</a> from 1965</li>
<li><a rel="nofollow" class="external text" href="https://github.com/gtownsend/icon/tree/master/ipl/packs/euler">euler</a> on <a href="GitHub" title="GitHub">GitHub</a> - An implementation written in <a href="Icon_(programming_language)" title="Icon (programming language)">Icon</a> from 2000-2001</li></ul>
<div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">
/* start https://en.wikipedia.org/ */
.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}
/* end https://en.wikipedia.org/ */
</style><style data-mw-deduplicate="TemplateStyles:r1236075235">
/* start https://en.wikipedia.org/ */
.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}
/* end https://en.wikipedia.org/ */
</style></div><div role="navigation" class="navbox" aria-labelledby="Niklaus_Wirth207" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><style data-mw-deduplicate="TemplateStyles:r1239400231">
/* start https://en.wikipedia.org/ */
.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}
/* end https://en.wikipedia.org/ */
</style><div id="Niklaus_Wirth207" style="font-size:114%;margin:0 4em"><a href="Niklaus_Wirth" title="Niklaus Wirth">Niklaus Wirth</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Software</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Programming_language" title="Programming language">Programming<br>languages</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> (1965) → <a href="PL360" title="PL360">PL360</a> (1966) → <a href="ALGOL_W" title="ALGOL W">ALGOL W</a> (1966) → <a href="Pascal_(programming_language)" title="Pascal (programming language)">Pascal</a> (1970) → <a href="Modula" title="Modula">Modula</a> (1975) → <a href="Modula-2" title="Modula-2">Modula-2</a> (1978) → <a href="Object_Pascal" title="Object Pascal">Object Pascal</a> (1986) → <a href="Oberon_(programming_language)" title="Oberon (programming language)">Oberon</a> (1987) → <a href="Oberon-2" title="Oberon-2">Oberon-2</a> (1991) → <a href="Lola_(computing)" title="Lola (computing)">Lola</a> (1995) → <a href="Active_Oberon" title="Active Oberon">Active Oberon</a> (1998) → <a href="Oberon_(programming_language)#Oberon-07" title="Oberon (programming language)">Oberon-07</a> (2007)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Operating_system" title="Operating system">Operating systems</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="Oberon_(operating_system)" title="Oberon (operating system)">Oberon System</a> (1987) → <a href="A2_(operating_system)" title="A2 (operating system)">Active Object System (AOS, 2002), Bluebottle (2005), A2</a> (2008)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Formalism_(philosophy_of_mathematics)" title="Formalism (philosophy of mathematics)">Formalisms</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Wirth's_law" title="Wirth's law">Wirth's law</a></li>
<li><a href="Wirth_syntax_notation" title="Wirth syntax notation">Wirth syntax notation</a></li>
<li><a href="Wirth%E2%80%93Weber_precedence_relationship" class="mw-redirect" title="Wirth–Weber precedence relationship">Wirth–Weber precedence relationship</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Books</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><i><a href="Algorithms_%2B_Data_Structures_%3D_Programs" title="Algorithms + Data Structures = Programs">Algorithms + Data Structures = Programs</a></i></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Workstation" title="Workstation">Workstations</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="Lilith_(computer)" title="Lilith (computer)">Lilith</a> (1977) → <a href="Ceres_(workstation)" title="Ceres (workstation)">Ceres</a> (1985)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Workplaces</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Stanford_University" title="Stanford University">Stanford University</a> (1963–67)</li>
<li><a href="University_of_Zurich" title="University of Zurich">University of Zurich</a> (1963–67)</li>
<li><a href="ETH_Zurich" title="ETH Zurich">ETH Zurich</a> (1968–99)</li>
<li><a href="PARC_(company)" title="PARC (company)">Xerox PARC</a> (1976–77, 1984–85)</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Collaborators</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="J%C3%BCrg_Gutknecht" title="Jürg Gutknecht">Jürg Gutknecht</a></li>
<li><a href="Tony_Hoare" title="Tony Hoare">Tony Hoare</a></li>
<li><a href="https://de.wikipedia.org/wiki/Hanspeter_M%C3%B6ssenb%C3%B6ck" class="extiw external" title="de:Hanspeter Mössenböck">de:Hanspeter Mössenböck</a></li>
<li><a href="Larry_Tesler" title="Larry Tesler">Larry Tesler</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Awards</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Turing_Award" title="Turing Award">Turing Award</a></li>
<li><a href="SIGPLAN" title="SIGPLAN">SIGPLAN</a> Programming Languages Achievement Award</li>
<li>Fellow of the <a href="Computer_History_Museum" title="Computer History Museum">Computer History Museum</a></li>
<li><a href="Marcel_Benoist_Prize" title="Marcel Benoist Prize">Marcel Benoist Prize</a></li></ul>
</div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>
<ul><li><span class="noviewer" typeof="mw:File"><span title="Category"></span></span> <b>Category</b></li></ul>
</div></td></tr></tbody></table></div></div><!--htdig_noindex--><div><div class="zim-footer">
This article is issued from <a class="external text" title="Last edited on 2024-03-02" href="https://en.wikipedia.org/wiki/?title=Euler_(programming_language)&oldid=1211338183">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.
</div>
</div><!--/htdig_noindex--></div>
</div>
</main>
</div>
</div>
</div>
</body></html>