diff --git a/src/article/main.md b/src/article/main.md
index 25e813d..ca4e021 100644
--- a/src/article/main.md
+++ b/src/article/main.md
@@ -264,7 +264,7 @@
 
 %English
 One can also obtain the specific energy levels for this wave function:
-%Germany
+%German
 Man kann auch die speziellen Energieniveaus dieser Wellenfunktion erhalten:
 
 %common

diff --git a/src/article/main.md b/src/article/main.md
index 25e813d..ca4e021 100644
--- a/src/article/main.md
+++ b/src/article/main.md
@@ -264,7 +264,7 @@
 
 %English
 One can also obtain the specific energy levels for this wave function:
-%Germany
+%German
 Man kann auch die speziellen Energieniveaus dieser Wellenfunktion erhalten:
 
 %common
diff --git a/src/build.js b/src/build.js
index 45ef943..0239405 100644
--- a/src/build.js
+++ b/src/build.js
@@ -2,42 +2,30 @@
 import { exec } from "child_process"
 import {processMarkdown} from './markdown.js'
 
+const links = {
+  "../../node_modules/reveal.js/dist/reveal.css": "build/css/",
+  "../../node_modules/reveal.js/dist/theme/moon.css": "build/css/",
+  "../../node_modules/reveal.js/dist/reveal.js": "build/js/",
+  "../../src/static/css/style.css": "build/css/",
+}
+
 const buildFolder = "build"
-const articleFolder = "src/article"
 
 const flags = {
   German:  '🇩🇪',
   English: '🇬🇧',
 }
-
 const languages = Object.keys(flags)
 
-console.log("clearing the build folder...");
+const formats = ['article', 'presentation']
 
-rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
-if (!existsSync(buildFolder)) {
-  mkdirSync(buildFolder);
+function readDirectory(directory) {
+  return readdirSync(directory).reduce((o, fileName) => ({
+    ...o,
+    [fileName.replace(".md", "")]: processMarkdown(readFileSync(`${directory}/${fileName}`, 'utf8').split("\n"), languages)
+  }), {});
 }
 
-console.log("linking static files...");
-exec(`ls src/static | while read in; do ln ../src/static/$in ${buildFolder} -s; done`)
-
-console.log("reading article files...");
-const articleEntries = readdirSync(articleFolder).reduce((o, fileName) => ({
-  ...o,
-  [fileName.replace(".md", "")]: readFileSync(`${articleFolder}/${fileName}`, 'utf8').split("\n")
-}), {});
-
-console.log("processing article entries...");
-
-var result = Object.keys(articleEntries).reduce((o, name) => ({
-  ...o,
-  [name]: processMarkdown(articleEntries[name], languages)
-}), {})
-
-console.log("loading template...");
-const template = readFileSync('src/template.html', 'utf8');
-
 function generateLanguageSwitch(name) {
   var result = ""
   for (const [language, flag] of Object.entries(flags)) {
@@ -46,12 +34,43 @@
   return result
 }
 
-console.log("writing articles...");
-for (const [name, data] of Object.entries(result)) {
-  for (const [language, text] of Object.entries(data)) {
-    writeFile(`${buildFolder}/${name}_${language}.html`, 
-                  template.replace("<DATA />", text)
-                          .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
-                  (error) => {});
+console.log("clearing the build folder...");
+
+rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
+if (!existsSync(buildFolder)) {
+  mkdirSync(buildFolder);
+}
+if (!existsSync(buildFolder + "/css")) {
+  mkdirSync(buildFolder + "/css");
+}
+if (!existsSync(buildFolder + "/js")) {
+  mkdirSync(buildFolder + "/js");
+}
+
+console.log("linking static files...")
+for (const [from, to] of Object.entries(links)) {
+  exec(`ln ${from} ${to} -s`)
+}
+
+console.log("reading files...")
+const data = formats.reduce((o, format) =>  ({
+  ...o,
+  [format]: {
+    data: readDirectory(`src/${format}/`),
+    template: readFileSync(`src/template_${format}.html`, 'utf8')
+  }
+}), {})
+
+console.log("writing files...");
+for (const [format, formatData] of Object.entries(data)) {
+  for (const [name, data] of Object.entries(formatData.data)) {
+    for (const [language, text] of Object.entries(data)) {
+      writeFile(`${buildFolder}/${format}_${name}_${language}.html`, 
+                formatData.template
+                .replace("<DATA />", text)
+                .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
+              (error) => {});
+
+    }
   }
 }

diff --git a/src/article/main.md b/src/article/main.md
index 25e813d..ca4e021 100644
--- a/src/article/main.md
+++ b/src/article/main.md
@@ -264,7 +264,7 @@
 
 %English
 One can also obtain the specific energy levels for this wave function:
-%Germany
+%German
 Man kann auch die speziellen Energieniveaus dieser Wellenfunktion erhalten:
 
 %common
diff --git a/src/build.js b/src/build.js
index 45ef943..0239405 100644
--- a/src/build.js
+++ b/src/build.js
@@ -2,42 +2,30 @@
 import { exec } from "child_process"
 import {processMarkdown} from './markdown.js'
 
+const links = {
+  "../../node_modules/reveal.js/dist/reveal.css": "build/css/",
+  "../../node_modules/reveal.js/dist/theme/moon.css": "build/css/",
+  "../../node_modules/reveal.js/dist/reveal.js": "build/js/",
+  "../../src/static/css/style.css": "build/css/",
+}
+
 const buildFolder = "build"
-const articleFolder = "src/article"
 
 const flags = {
   German:  '&#127465;&#127466;',
   English: '&#127468;&#127463;',
 }
-
 const languages = Object.keys(flags)
 
-console.log("clearing the build folder...");
+const formats = ['article', 'presentation']
 
-rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
-if (!existsSync(buildFolder)) {
-  mkdirSync(buildFolder);
+function readDirectory(directory) {
+  return readdirSync(directory).reduce((o, fileName) => ({
+    ...o,
+    [fileName.replace(".md", "")]: processMarkdown(readFileSync(`${directory}/${fileName}`, 'utf8').split("\n"), languages)
+  }), {});
 }
 
-console.log("linking static files...");
-exec(`ls src/static | while read in; do ln ../src/static/$in ${buildFolder} -s; done`)
-
-console.log("reading article files...");
-const articleEntries = readdirSync(articleFolder).reduce((o, fileName) => ({
-  ...o,
-  [fileName.replace(".md", "")]: readFileSync(`${articleFolder}/${fileName}`, 'utf8').split("\n")
-}), {});
-
-console.log("processing article entries...");
-
-var result = Object.keys(articleEntries).reduce((o, name) => ({
-  ...o,
-  [name]: processMarkdown(articleEntries[name], languages)
-}), {})
-
-console.log("loading template...");
-const template = readFileSync('src/template.html', 'utf8');
-
 function generateLanguageSwitch(name) {
   var result = ""
   for (const [language, flag] of Object.entries(flags)) {
@@ -46,12 +34,43 @@
   return result
 }
 
-console.log("writing articles...");
-for (const [name, data] of Object.entries(result)) {
-  for (const [language, text] of Object.entries(data)) {
-    writeFile(`${buildFolder}/${name}_${language}.html`, 
-                  template.replace("<DATA />", text)
-                          .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
-                  (error) => {});
+console.log("clearing the build folder...");
+
+rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
+if (!existsSync(buildFolder)) {
+  mkdirSync(buildFolder);
+}
+if (!existsSync(buildFolder + "/css")) {
+  mkdirSync(buildFolder + "/css");
+}
+if (!existsSync(buildFolder + "/js")) {
+  mkdirSync(buildFolder + "/js");
+}
+
+console.log("linking static files...")
+for (const [from, to] of Object.entries(links)) {
+  exec(`ln ${from} ${to} -s`)
+}
+
+console.log("reading files...")
+const data = formats.reduce((o, format) =>  ({
+  ...o,
+  [format]: {
+    data: readDirectory(`src/${format}/`),
+    template: readFileSync(`src/template_${format}.html`, 'utf8')
+  }
+}), {})
+
+console.log("writing files...");
+for (const [format, formatData] of Object.entries(data)) {
+  for (const [name, data] of Object.entries(formatData.data)) {
+    for (const [language, text] of Object.entries(data)) {
+      writeFile(`${buildFolder}/${format}_${name}_${language}.html`, 
+                formatData.template
+                .replace("<DATA />", text)
+                .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
+              (error) => {});
+
+    }
   }
 }
diff --git a/src/presentation/main.md b/src/presentation/main.md
new file mode 100644
index 0000000..16bdcb4
--- /dev/null
+++ b/src/presentation/main.md
@@ -0,0 +1,4 @@
+%German
+## Die Schr"odinger Gleichung
+%English
+## The Schrodinger Equation

diff --git a/src/article/main.md b/src/article/main.md
index 25e813d..ca4e021 100644
--- a/src/article/main.md
+++ b/src/article/main.md
@@ -264,7 +264,7 @@
 
 %English
 One can also obtain the specific energy levels for this wave function:
-%Germany
+%German
 Man kann auch die speziellen Energieniveaus dieser Wellenfunktion erhalten:
 
 %common
diff --git a/src/build.js b/src/build.js
index 45ef943..0239405 100644
--- a/src/build.js
+++ b/src/build.js
@@ -2,42 +2,30 @@
 import { exec } from "child_process"
 import {processMarkdown} from './markdown.js'
 
+const links = {
+  "../../node_modules/reveal.js/dist/reveal.css": "build/css/",
+  "../../node_modules/reveal.js/dist/theme/moon.css": "build/css/",
+  "../../node_modules/reveal.js/dist/reveal.js": "build/js/",
+  "../../src/static/css/style.css": "build/css/",
+}
+
 const buildFolder = "build"
-const articleFolder = "src/article"
 
 const flags = {
   German:  '&#127465;&#127466;',
   English: '&#127468;&#127463;',
 }
-
 const languages = Object.keys(flags)
 
-console.log("clearing the build folder...");
+const formats = ['article', 'presentation']
 
-rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
-if (!existsSync(buildFolder)) {
-  mkdirSync(buildFolder);
+function readDirectory(directory) {
+  return readdirSync(directory).reduce((o, fileName) => ({
+    ...o,
+    [fileName.replace(".md", "")]: processMarkdown(readFileSync(`${directory}/${fileName}`, 'utf8').split("\n"), languages)
+  }), {});
 }
 
-console.log("linking static files...");
-exec(`ls src/static | while read in; do ln ../src/static/$in ${buildFolder} -s; done`)
-
-console.log("reading article files...");
-const articleEntries = readdirSync(articleFolder).reduce((o, fileName) => ({
-  ...o,
-  [fileName.replace(".md", "")]: readFileSync(`${articleFolder}/${fileName}`, 'utf8').split("\n")
-}), {});
-
-console.log("processing article entries...");
-
-var result = Object.keys(articleEntries).reduce((o, name) => ({
-  ...o,
-  [name]: processMarkdown(articleEntries[name], languages)
-}), {})
-
-console.log("loading template...");
-const template = readFileSync('src/template.html', 'utf8');
-
 function generateLanguageSwitch(name) {
   var result = ""
   for (const [language, flag] of Object.entries(flags)) {
@@ -46,12 +34,43 @@
   return result
 }
 
-console.log("writing articles...");
-for (const [name, data] of Object.entries(result)) {
-  for (const [language, text] of Object.entries(data)) {
-    writeFile(`${buildFolder}/${name}_${language}.html`, 
-                  template.replace("<DATA />", text)
-                          .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
-                  (error) => {});
+console.log("clearing the build folder...");
+
+rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
+if (!existsSync(buildFolder)) {
+  mkdirSync(buildFolder);
+}
+if (!existsSync(buildFolder + "/css")) {
+  mkdirSync(buildFolder + "/css");
+}
+if (!existsSync(buildFolder + "/js")) {
+  mkdirSync(buildFolder + "/js");
+}
+
+console.log("linking static files...")
+for (const [from, to] of Object.entries(links)) {
+  exec(`ln ${from} ${to} -s`)
+}
+
+console.log("reading files...")
+const data = formats.reduce((o, format) =>  ({
+  ...o,
+  [format]: {
+    data: readDirectory(`src/${format}/`),
+    template: readFileSync(`src/template_${format}.html`, 'utf8')
+  }
+}), {})
+
+console.log("writing files...");
+for (const [format, formatData] of Object.entries(data)) {
+  for (const [name, data] of Object.entries(formatData.data)) {
+    for (const [language, text] of Object.entries(data)) {
+      writeFile(`${buildFolder}/${format}_${name}_${language}.html`, 
+                formatData.template
+                .replace("<DATA />", text)
+                .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
+              (error) => {});
+
+    }
   }
 }
diff --git a/src/presentation/main.md b/src/presentation/main.md
new file mode 100644
index 0000000..16bdcb4
--- /dev/null
+++ b/src/presentation/main.md
@@ -0,0 +1,4 @@
+%German
+## Die Schr"odinger Gleichung
+%English
+## The Schrodinger Equation
diff --git a/src/template.html b/src/template.html
deleted file mode 100644
index 3ad976d..0000000
--- a/src/template.html
+++ /dev/null
@@ -1,29 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-  <title></title>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <link href="css/style.css" rel="stylesheet">
-
-  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.css"
-    integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous">
-  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.js"
-    integrity="sha384-y23I5Q6l+B6vatafAwxRu/0oK/79VlbSz7Q9aiSZUvyWYIYsd+qj+o24G5ZU2zJz"
-    crossorigin="anonymous"></script>
-  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/contrib/auto-render.min.js"
-    integrity="sha384-kWPLUVMOks5AQFrykwIup5lo0m3iMkkHrD0uJ4H5cjeGihAutqP0yW0J6dpFiVkI" crossorigin="anonymous"
-    onload="renderMathInElement(document.body);"></script>
-</head>
-
-<body>
-  <p class="right">
-    <LANGUAGE_SWITCH />
-  </p>
-  <p>
-    <DATA />
-  </p>
-</body>
-
-</html>

diff --git a/src/article/main.md b/src/article/main.md
index 25e813d..ca4e021 100644
--- a/src/article/main.md
+++ b/src/article/main.md
@@ -264,7 +264,7 @@
 
 %English
 One can also obtain the specific energy levels for this wave function:
-%Germany
+%German
 Man kann auch die speziellen Energieniveaus dieser Wellenfunktion erhalten:
 
 %common
diff --git a/src/build.js b/src/build.js
index 45ef943..0239405 100644
--- a/src/build.js
+++ b/src/build.js
@@ -2,42 +2,30 @@
 import { exec } from "child_process"
 import {processMarkdown} from './markdown.js'
 
+const links = {
+  "../../node_modules/reveal.js/dist/reveal.css": "build/css/",
+  "../../node_modules/reveal.js/dist/theme/moon.css": "build/css/",
+  "../../node_modules/reveal.js/dist/reveal.js": "build/js/",
+  "../../src/static/css/style.css": "build/css/",
+}
+
 const buildFolder = "build"
-const articleFolder = "src/article"
 
 const flags = {
   German:  '&#127465;&#127466;',
   English: '&#127468;&#127463;',
 }
-
 const languages = Object.keys(flags)
 
-console.log("clearing the build folder...");
+const formats = ['article', 'presentation']
 
-rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
-if (!existsSync(buildFolder)) {
-  mkdirSync(buildFolder);
+function readDirectory(directory) {
+  return readdirSync(directory).reduce((o, fileName) => ({
+    ...o,
+    [fileName.replace(".md", "")]: processMarkdown(readFileSync(`${directory}/${fileName}`, 'utf8').split("\n"), languages)
+  }), {});
 }
 
-console.log("linking static files...");
-exec(`ls src/static | while read in; do ln ../src/static/$in ${buildFolder} -s; done`)
-
-console.log("reading article files...");
-const articleEntries = readdirSync(articleFolder).reduce((o, fileName) => ({
-  ...o,
-  [fileName.replace(".md", "")]: readFileSync(`${articleFolder}/${fileName}`, 'utf8').split("\n")
-}), {});
-
-console.log("processing article entries...");
-
-var result = Object.keys(articleEntries).reduce((o, name) => ({
-  ...o,
-  [name]: processMarkdown(articleEntries[name], languages)
-}), {})
-
-console.log("loading template...");
-const template = readFileSync('src/template.html', 'utf8');
-
 function generateLanguageSwitch(name) {
   var result = ""
   for (const [language, flag] of Object.entries(flags)) {
@@ -46,12 +34,43 @@
   return result
 }
 
-console.log("writing articles...");
-for (const [name, data] of Object.entries(result)) {
-  for (const [language, text] of Object.entries(data)) {
-    writeFile(`${buildFolder}/${name}_${language}.html`, 
-                  template.replace("<DATA />", text)
-                          .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
-                  (error) => {});
+console.log("clearing the build folder...");
+
+rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
+if (!existsSync(buildFolder)) {
+  mkdirSync(buildFolder);
+}
+if (!existsSync(buildFolder + "/css")) {
+  mkdirSync(buildFolder + "/css");
+}
+if (!existsSync(buildFolder + "/js")) {
+  mkdirSync(buildFolder + "/js");
+}
+
+console.log("linking static files...")
+for (const [from, to] of Object.entries(links)) {
+  exec(`ln ${from} ${to} -s`)
+}
+
+console.log("reading files...")
+const data = formats.reduce((o, format) =>  ({
+  ...o,
+  [format]: {
+    data: readDirectory(`src/${format}/`),
+    template: readFileSync(`src/template_${format}.html`, 'utf8')
+  }
+}), {})
+
+console.log("writing files...");
+for (const [format, formatData] of Object.entries(data)) {
+  for (const [name, data] of Object.entries(formatData.data)) {
+    for (const [language, text] of Object.entries(data)) {
+      writeFile(`${buildFolder}/${format}_${name}_${language}.html`, 
+                formatData.template
+                .replace("<DATA />", text)
+                .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
+              (error) => {});
+
+    }
   }
 }
diff --git a/src/presentation/main.md b/src/presentation/main.md
new file mode 100644
index 0000000..16bdcb4
--- /dev/null
+++ b/src/presentation/main.md
@@ -0,0 +1,4 @@
+%German
+## Die Schr"odinger Gleichung
+%English
+## The Schrodinger Equation
diff --git a/src/template.html b/src/template.html
deleted file mode 100644
index 3ad976d..0000000
--- a/src/template.html
+++ /dev/null
@@ -1,29 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-  <title></title>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <link href="css/style.css" rel="stylesheet">
-
-  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.css"
-    integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous">
-  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.js"
-    integrity="sha384-y23I5Q6l+B6vatafAwxRu/0oK/79VlbSz7Q9aiSZUvyWYIYsd+qj+o24G5ZU2zJz"
-    crossorigin="anonymous"></script>
-  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/contrib/auto-render.min.js"
-    integrity="sha384-kWPLUVMOks5AQFrykwIup5lo0m3iMkkHrD0uJ4H5cjeGihAutqP0yW0J6dpFiVkI" crossorigin="anonymous"
-    onload="renderMathInElement(document.body);"></script>
-</head>
-
-<body>
-  <p class="right">
-    <LANGUAGE_SWITCH />
-  </p>
-  <p>
-    <DATA />
-  </p>
-</body>
-
-</html>
diff --git a/src/template_article.html b/src/template_article.html
new file mode 100644
index 0000000..3ad976d
--- /dev/null
+++ b/src/template_article.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <title></title>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link href="css/style.css" rel="stylesheet">
+
+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.css"
+    integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous">
+  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.js"
+    integrity="sha384-y23I5Q6l+B6vatafAwxRu/0oK/79VlbSz7Q9aiSZUvyWYIYsd+qj+o24G5ZU2zJz"
+    crossorigin="anonymous"></script>
+  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/contrib/auto-render.min.js"
+    integrity="sha384-kWPLUVMOks5AQFrykwIup5lo0m3iMkkHrD0uJ4H5cjeGihAutqP0yW0J6dpFiVkI" crossorigin="anonymous"
+    onload="renderMathInElement(document.body);"></script>
+</head>
+
+<body>
+  <p class="right">
+    <LANGUAGE_SWITCH />
+  </p>
+  <p>
+    <DATA />
+  </p>
+</body>
+
+</html>

diff --git a/src/article/main.md b/src/article/main.md
index 25e813d..ca4e021 100644
--- a/src/article/main.md
+++ b/src/article/main.md
@@ -264,7 +264,7 @@
 
 %English
 One can also obtain the specific energy levels for this wave function:
-%Germany
+%German
 Man kann auch die speziellen Energieniveaus dieser Wellenfunktion erhalten:
 
 %common
diff --git a/src/build.js b/src/build.js
index 45ef943..0239405 100644
--- a/src/build.js
+++ b/src/build.js
@@ -2,42 +2,30 @@
 import { exec } from "child_process"
 import {processMarkdown} from './markdown.js'
 
+const links = {
+  "../../node_modules/reveal.js/dist/reveal.css": "build/css/",
+  "../../node_modules/reveal.js/dist/theme/moon.css": "build/css/",
+  "../../node_modules/reveal.js/dist/reveal.js": "build/js/",
+  "../../src/static/css/style.css": "build/css/",
+}
+
 const buildFolder = "build"
-const articleFolder = "src/article"
 
 const flags = {
   German:  '&#127465;&#127466;',
   English: '&#127468;&#127463;',
 }
-
 const languages = Object.keys(flags)
 
-console.log("clearing the build folder...");
+const formats = ['article', 'presentation']
 
-rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
-if (!existsSync(buildFolder)) {
-  mkdirSync(buildFolder);
+function readDirectory(directory) {
+  return readdirSync(directory).reduce((o, fileName) => ({
+    ...o,
+    [fileName.replace(".md", "")]: processMarkdown(readFileSync(`${directory}/${fileName}`, 'utf8').split("\n"), languages)
+  }), {});
 }
 
-console.log("linking static files...");
-exec(`ls src/static | while read in; do ln ../src/static/$in ${buildFolder} -s; done`)
-
-console.log("reading article files...");
-const articleEntries = readdirSync(articleFolder).reduce((o, fileName) => ({
-  ...o,
-  [fileName.replace(".md", "")]: readFileSync(`${articleFolder}/${fileName}`, 'utf8').split("\n")
-}), {});
-
-console.log("processing article entries...");
-
-var result = Object.keys(articleEntries).reduce((o, name) => ({
-  ...o,
-  [name]: processMarkdown(articleEntries[name], languages)
-}), {})
-
-console.log("loading template...");
-const template = readFileSync('src/template.html', 'utf8');
-
 function generateLanguageSwitch(name) {
   var result = ""
   for (const [language, flag] of Object.entries(flags)) {
@@ -46,12 +34,43 @@
   return result
 }
 
-console.log("writing articles...");
-for (const [name, data] of Object.entries(result)) {
-  for (const [language, text] of Object.entries(data)) {
-    writeFile(`${buildFolder}/${name}_${language}.html`, 
-                  template.replace("<DATA />", text)
-                          .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
-                  (error) => {});
+console.log("clearing the build folder...");
+
+rmSync(`${buildFolder}`, { recursive: true, force: true }, (error) => {if (error) {console.error(error);}});
+if (!existsSync(buildFolder)) {
+  mkdirSync(buildFolder);
+}
+if (!existsSync(buildFolder + "/css")) {
+  mkdirSync(buildFolder + "/css");
+}
+if (!existsSync(buildFolder + "/js")) {
+  mkdirSync(buildFolder + "/js");
+}
+
+console.log("linking static files...")
+for (const [from, to] of Object.entries(links)) {
+  exec(`ln ${from} ${to} -s`)
+}
+
+console.log("reading files...")
+const data = formats.reduce((o, format) =>  ({
+  ...o,
+  [format]: {
+    data: readDirectory(`src/${format}/`),
+    template: readFileSync(`src/template_${format}.html`, 'utf8')
+  }
+}), {})
+
+console.log("writing files...");
+for (const [format, formatData] of Object.entries(data)) {
+  for (const [name, data] of Object.entries(formatData.data)) {
+    for (const [language, text] of Object.entries(data)) {
+      writeFile(`${buildFolder}/${format}_${name}_${language}.html`, 
+                formatData.template
+                .replace("<DATA />", text)
+                .replace("<LANGUAGE_SWITCH />", generateLanguageSwitch(name)),
+              (error) => {});
+
+    }
   }
 }
diff --git a/src/presentation/main.md b/src/presentation/main.md
new file mode 100644
index 0000000..16bdcb4
--- /dev/null
+++ b/src/presentation/main.md
@@ -0,0 +1,4 @@
+%German
+## Die Schr"odinger Gleichung
+%English
+## The Schrodinger Equation
diff --git a/src/template.html b/src/template.html
deleted file mode 100644
index 3ad976d..0000000
--- a/src/template.html
+++ /dev/null
@@ -1,29 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-  <title></title>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <link href="css/style.css" rel="stylesheet">
-
-  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.css"
-    integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous">
-  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.js"
-    integrity="sha384-y23I5Q6l+B6vatafAwxRu/0oK/79VlbSz7Q9aiSZUvyWYIYsd+qj+o24G5ZU2zJz"
-    crossorigin="anonymous"></script>
-  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/contrib/auto-render.min.js"
-    integrity="sha384-kWPLUVMOks5AQFrykwIup5lo0m3iMkkHrD0uJ4H5cjeGihAutqP0yW0J6dpFiVkI" crossorigin="anonymous"
-    onload="renderMathInElement(document.body);"></script>
-</head>
-
-<body>
-  <p class="right">
-    <LANGUAGE_SWITCH />
-  </p>
-  <p>
-    <DATA />
-  </p>
-</body>
-
-</html>
diff --git a/src/template_article.html b/src/template_article.html
new file mode 100644
index 0000000..3ad976d
--- /dev/null
+++ b/src/template_article.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <title></title>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link href="css/style.css" rel="stylesheet">
+
+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.css"
+    integrity="sha384-zB1R0rpPzHqg7Kpt0Aljp8JPLqbXI3bhnPWROx27a9N0Ll6ZP/+DiW/UqRcLbRjq" crossorigin="anonymous">
+  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.js"
+    integrity="sha384-y23I5Q6l+B6vatafAwxRu/0oK/79VlbSz7Q9aiSZUvyWYIYsd+qj+o24G5ZU2zJz"
+    crossorigin="anonymous"></script>
+  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/contrib/auto-render.min.js"
+    integrity="sha384-kWPLUVMOks5AQFrykwIup5lo0m3iMkkHrD0uJ4H5cjeGihAutqP0yW0J6dpFiVkI" crossorigin="anonymous"
+    onload="renderMathInElement(document.body);"></script>
+</head>
+
+<body>
+  <p class="right">
+    <LANGUAGE_SWITCH />
+  </p>
+  <p>
+    <DATA />
+  </p>
+</body>
+
+</html>
diff --git a/src/template_presentation.html b/src/template_presentation.html
new file mode 100644
index 0000000..d0352b0
--- /dev/null
+++ b/src/template_presentation.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <title></title>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+
+  <link rel="stylesheet" href="css/reveal.css">
+  <link rel="stylesheet" href="css/moon.css" id="theme">
+  <script src="js/reveal.js"></script>
+</head>
+
+<body class="reveal">
+  <div class="slides">
+    <section>
+      <p>
+        <DATA />
+      </p>
+    </section>
+  </div>
+</body>
+<script>
+  Reveal.configure({
+    keyboard: {
+      40: "next",
+      38: "prev",
+    },
+  });
+  Reveal.initialize({
+    hash: true,
+    transition: "none",
+    history: "true",
+    plugins: [],
+  });
+</script>
+
+</html>