diff --git a/science/misc/ntl/actions.py b/science/misc/ntl/actions.py
new file mode 100644
index 0000000000..43cc3ddc50
--- /dev/null
+++ b/science/misc/ntl/actions.py
@@ -0,0 +1,28 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# Licensed under the GNU General Public License, version 3.
+# See the file http://www.gnu.org/licenses/gpl.txt
+
+from pisi.actionsapi import get
+from pisi.actionsapi import autotools
+from pisi.actionsapi import pisitools
+from pisi.actionsapi import shelltools
+
+def setup():
+    shelltools.cd("src")
+    autotools.rawConfigure("DEF_PREFIX=/usr SHARED=on NTL_GF2X_LIB=on NATIVE=off TUNE=x86 LIBTOOL=libtool")
+
+def build():
+    shelltools.cd("src")
+    autotools.make()
+
+def check():
+    shelltools.cd("src")
+    autotools.make("-k check")
+
+def install():
+    shelltools.cd("src")
+    autotools.rawInstall("DESTDIR=%s" % get.installDIR())
+    shelltools.cd("..")
+    pisitools.dodoc("README")
\ No newline at end of file
diff --git a/science/misc/ntl/pspec.xml b/science/misc/ntl/pspec.xml
new file mode 100644
index 0000000000..fdf77dd6f1
--- /dev/null
+++ b/science/misc/ntl/pspec.xml
@@ -0,0 +1,67 @@
+<?xml version="1.0" ?>
+<!DOCTYPE PISI SYSTEM "https://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<PISI>
+    <Source>
+        <Name>ntl</Name>
+        <Homepage>https://www.shoup.net/ntl/</Homepage>
+        <Packager>
+            <Name>Blue Devil</Name>
+            <Email>bluedevil@sctzine.com</Email>
+        </Packager>
+        <PartOf>science.misc</PartOf>
+        <License>LGPL</License>
+        <IsA>library</IsA>
+        <Summary>A Library for doing Number Theory.</Summary>
+        <Description>NTL is a high-performance, portable C++ library providing data structures and algorithms for manipulating signed, arbitrary length integers, and for vectors, matrices, and polynomials over the integers and over finite fields.</Description>
+        <Archive sha1sum="f4c7dc1fd448b499ef98549e8702b320ba6a7830" type="targz">https://www.shoup.net/ntl/ntl-11.4.3.tar.gz</Archive>
+        <BuildDependencies>
+            <Dependency>gmp-devel</Dependency>
+            <Dependency>gf2x-devel</Dependency>
+        </BuildDependencies>
+    </Source>
+
+    <Package>
+        <Name>ntl</Name>
+        <Summary>A Library for doing Number Theory.</Summary>
+        <RuntimeDependencies>
+            <Dependency>gmp</Dependency>
+            <Dependency>gf2x</Dependency>
+        </RuntimeDependencies>
+        <Files>
+            <Path fileType="library">/usr/lib/libntl*</Path>
+        </Files>
+    </Package>
+
+    <Package>
+        <Name>ntl-devel</Name>
+        <Summary>Development files for ntl</Summary>
+        <RuntimeDependencies>
+            <Dependency release="current">ntl</Dependency>
+        </RuntimeDependencies>
+        <Files>
+            <Path fileType="header">/usr/include</Path>
+            <Path fileType="data">/usr/lib/pkgconfig</Path>
+        </Files>
+    </Package>
+    
+    <Package>
+        <Name>ntl-docs</Name>
+        <Summary>Documentation files for ntl</Summary>
+        <RuntimeDependencies>
+            <Dependency release="current">ntl</Dependency>
+        </RuntimeDependencies>
+        <Files>
+            <Path fileType="doc">/usr/share/doc</Path>
+        </Files>
+    </Package>
+
+    <History>
+        <Update release="1">
+            <Date>2020-05-20</Date>
+            <Version>11.4.3</Version>
+            <Comment>First pisi release.</Comment>
+            <Name>Blue Devil</Name>
+            <Email>bluedevil@sctzine.com</Email>
+        </Update>
+    </History>
+</PISI>
\ No newline at end of file
diff --git a/science/misc/ntl/translations.xml b/science/misc/ntl/translations.xml
new file mode 100644
index 0000000000..f1f7c6cb84
--- /dev/null
+++ b/science/misc/ntl/translations.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" ?>
+<PISI>
+    <Source>
+        <Name>ntl</Name>
+        <Summary xml:lang="tr">Sayı kuramı için bir kitaplık.</Summary>
+        <Description xml:lang="tr">ntl, sayı kuramı için bir kitaplık sunar.</Description>
+    </Source>
+
+    <Package>
+        <Name>ntl-devel</Name>
+        <Summary xml:lang="tr">ntl için geliştirme dosyaları</Summary>
+        <Description xml:lang="tr">ntl-devel, ntl için geliştirme dosyalarını içerir.</Description>
+    </Package>
+
+    <Package>
+        <Name>ntl-docs</Name>
+        <Summary xml:lang="tr">ntl için belgelendirme dosyaları</Summary>
+        <Description xml:lang="tr">ntl-docs, ntl için belgelendirme dosyalarını içerir.</Description>
+    </Package>
+</PISI>
\ No newline at end of file