diff --git a/science/mathematics/qalculate-gtk/actions.py b/science/mathematics/qalculate-gtk/actions.py
new file mode 100644
index 0000000000..f65b30c00e
--- /dev/null
+++ b/science/mathematics/qalculate-gtk/actions.py
@@ -0,0 +1,24 @@
+#!/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.system("./autogen.sh")
+    autotools.configure()
+
+def build():
+    autotools.make()
+
+def check():
+    autotools.make("check")
+
+def install():
+    autotools.rawInstall("DESTDIR=%s" % get.installDIR())
+    pisitools.dodoc("COPYING", "README*")
\ No newline at end of file
diff --git a/science/mathematics/qalculate-gtk/pspec.xml b/science/mathematics/qalculate-gtk/pspec.xml
new file mode 100644
index 0000000000..3fc3d42300
--- /dev/null
+++ b/science/mathematics/qalculate-gtk/pspec.xml
@@ -0,0 +1,61 @@
+<?xml version="1.0" ?>
+<!DOCTYPE PISI SYSTEM "https://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<PISI>
+    <Source>
+        <Name>qalculate-gtk</Name>
+        <Homepage>https://qalculate.github.io/</Homepage>
+        <Packager>
+            <Name>Blue Devil</Name>
+            <Email>bluedevil@sctzine.com</Email>
+        </Packager>
+        <PartOf>science.mathematics</PartOf>
+        <License>GPLv2+</License>
+        <IsA>app:gui</IsA>
+        <Summary>GTK frontend for libqalculate.</Summary>
+        <Description>Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).</Description>
+        <Archive sha1sum="f0daa860a2469a0b99b26f0949a9219dc46bec31" type="targz">https://github.com/Qalculate/qalculate-gtk/archive/v3.10.0.tar.gz</Archive>
+        <BuildDependencies>
+            <Dependency>intltool</Dependency>
+            <Dependency>gtk3-devel</Dependency>
+            <Dependency>cairo-devel</Dependency>
+            <Dependency>pango-devel</Dependency>
+            <Dependency>gettext-devel</Dependency>
+            <Dependency>libxml2-devel</Dependency>
+            <Dependency>python3-devel</Dependency>
+            <Dependency>readline-devel</Dependency>
+            <Dependency>gdk-pixbuf-devel</Dependency>
+            <Dependency>libqalculate-devel</Dependency>
+        </BuildDependencies>
+    </Source>
+
+    <Package>
+        <Name>qalculate-gtk</Name>
+        <Summary>GTK frontend for libqalculate.</Summary>
+        <RuntimeDependencies>
+            <Dependency>gtk3</Dependency>
+            <Dependency>cairo</Dependency>
+            <Dependency>pango</Dependency>
+            <Dependency>libxml2</Dependency>
+            <Dependency>python3</Dependency>
+            <Dependency>gdk-pixbuf</Dependency>
+            <Dependency>libqalculate</Dependency>
+        </RuntimeDependencies>
+        <Files>
+            <Path fileType="data">/usr/share</Path>
+            <Path fileType="library">/usr/lib</Path>
+            <Path fileType="man">/usr/share/man</Path>
+            <Path fileType="executable">/usr/bin</Path>
+            <Path fileType="doc">/usr/share/doc/qalculate-gtk</Path>
+        </Files>
+    </Package>
+
+    <History>
+        <Update release="1">
+            <Date>2020-05-26</Date>
+            <Version>3.10.0</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/mathematics/qalculate-gtk/translations.xml b/science/mathematics/qalculate-gtk/translations.xml
new file mode 100644
index 0000000000..ed44b4b9bb
--- /dev/null
+++ b/science/mathematics/qalculate-gtk/translations.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" ?>
+<PISI>
+    <Source>
+        <Name>m4ri</Name>
+        <Summary xml:lang="tr">F2 üzerinden lineer cebir için algoritmalar.</Summary>
+        <Description xml:lang="tr">m4ri, F2 üzerinden lineer cebir için algoritmalar sunar.</Description>
+    </Source>
+
+    <Package>
+        <Name>m4ri-devel</Name>
+        <Summary xml:lang="tr">m4ri için geliştirme dosyaları</Summary>
+        <Description xml:lang="tr">m4ri-devel, m4ri için geliştirme dosyalarını içerir.</Description>
+    </Package>
+</PISI>
\ No newline at end of file