diff --git a/pisi-index.xml b/pisi-index.xml
index 2da0d3d4b1..b07e98c9b1 100644
--- a/pisi-index.xml
+++ b/pisi-index.xml
@@ -56288,6 +56288,125 @@ to create header files and sources from protocol files.</Description>
             </Update>
         </History>
     </SpecFile>
+    <SpecFile>
+        <Source>
+            <Name>qalculate-gtk</Name>
+            <Homepage>https://qalculate.github.io/</Homepage>
+            <Packager>
+                <Name>Blue Devil</Name>
+                <Email>bluedevil@sctzine.com</Email>
+            </Packager>
+            <License>GPLv2+</License>
+            <IsA>app:gui</IsA>
+            <PartOf>science.mathematics</PartOf>
+            <Summary xml:lang="en">GTK frontend for libqalculate.</Summary>
+            <Description xml:lang="en">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 type="targz" sha1sum="f0daa860a2469a0b99b26f0949a9219dc46bec31" name="v3.10.0.tar.gz">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>
+            <SourceURI>science/mathematics/qalculate-gtk/pspec.xml</SourceURI>
+        </Source>
+        <Package>
+            <Name>qalculate-gtk</Name>
+            <Summary xml:lang="en">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>
+    </SpecFile>
+    <SpecFile>
+        <Source>
+            <Name>sundials</Name>
+            <Homepage>https://computing.llnl.gov/projects/sundials</Homepage>
+            <Packager>
+                <Name>Blue Devil</Name>
+                <Email>bluedevil@sctzine.com</Email>
+            </Packager>
+            <License>BSD</License>
+            <IsA>library</IsA>
+            <PartOf>science.mathematics</PartOf>
+            <Summary xml:lang="en">Suite of nonlinear differential/algebraic equation solvers.</Summary>
+            <Summary xml:lang="tr">Doğrusal olmayan diferansiyel ve cebirsel eşitlik çözücüsü</Summary>
+            <Description xml:lang="en">sundials provides a suite of nonlinear differential/algebraic equation solvers.</Description>
+            <Description xml:lang="tr">sundials, doğrusal olmayan diferansiyel ve cebirsel eşitlik çözücüleri içeren bir kitaplıktır.</Description>
+            <Archive type="targz" sha1sum="a33d5a9f19fad4e4a257a8c9ae1c321550885996" name="sundials-5.3.0.tar.gz">https://computation.llnl.gov/projects/sundials/download/sundials-5.3.0.tar.gz</Archive>
+            <BuildDependencies>
+                <Dependency>cmake</Dependency>
+                <Dependency>libquadmath</Dependency>
+                <Dependency>python-devel</Dependency>
+                <Dependency>openmpi-devel</Dependency>
+                <Dependency>suitesparse-devel</Dependency>
+            </BuildDependencies>
+            <SourceURI>science/mathematics/sundials/pspec.xml</SourceURI>
+        </Source>
+        <Package>
+            <Name>sundials</Name>
+            <Summary xml:lang="en">A program that automatically solves layouts of Freecell and similar variants of Card Solitaire</Summary>
+            <RuntimeDependencies>
+                <Dependency>openmpi</Dependency>
+                <Dependency>libgomp</Dependency>
+                <Dependency>suitesparse</Dependency>
+            </RuntimeDependencies>
+            <Files>
+                <Path fileType="data">/usr/share</Path>
+                <Path fileType="library">/usr/lib</Path>
+                <Path fileType="doc">/usr/share/doc</Path>
+                <Path fileType="executable">/usr/bin</Path>
+            </Files>
+        </Package>
+        <Package>
+            <Name>sundials-devel</Name>
+            <Summary xml:lang="en">Development files for sundials</Summary>
+            <RuntimeDependencies>
+                <Dependency release="1">sundials</Dependency>
+            </RuntimeDependencies>
+            <Files>
+                <Path fileType="header">/usr/include</Path>
+                <Path fileType="library">/usr/lib/pkgconfig</Path>
+            </Files>
+        </Package>
+        <History>
+            <Update release="1">
+                <Date>2020-05-26</Date>
+                <Version>5.3.0</Version>
+                <Comment>First release.</Comment>
+                <Name>Blue Devil</Name>
+                <Email>bluedevil@sctzine.com</Email>
+            </Update>
+        </History>
+    </SpecFile>
     <SpecFile>
         <Source>
             <Name>cln</Name>
diff --git a/pisi-index.xml.sha1sum b/pisi-index.xml.sha1sum
index 0baaff4a4e..8eb315a682 100644
--- a/pisi-index.xml.sha1sum
+++ b/pisi-index.xml.sha1sum
@@ -1 +1 @@
-403ca898f2ac79bce4e41f50863a11727d9d0bfe
\ No newline at end of file
+e985ecdf82307317c55edf26474ee154c87d6033
\ No newline at end of file
diff --git a/pisi-index.xml.xz b/pisi-index.xml.xz
index 8855294904..70289dc1f8 100644
Binary files a/pisi-index.xml.xz and b/pisi-index.xml.xz differ
diff --git a/pisi-index.xml.xz.sha1sum b/pisi-index.xml.xz.sha1sum
index 3226f067da..9edd0b8aa0 100644
--- a/pisi-index.xml.xz.sha1sum
+++ b/pisi-index.xml.xz.sha1sum
@@ -1 +1 @@
-5260c670039fa43fc030edba9155cc8b702a5b0f
\ No newline at end of file
+9d3b8e186bd385c286f373d83a2fe0a4dc13a0d8
\ No newline at end of file
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
diff --git a/science/mathematics/sundials/actions.py b/science/mathematics/sundials/actions.py
new file mode 100644
index 0000000000..d9632cd0b2
--- /dev/null
+++ b/science/mathematics/sundials/actions.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env 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 pisitools
+from pisi.actionsapi import shelltools
+from pisi.actionsapi import cmaketools
+
+def setup():
+    shelltools.makedirs("build")
+    shelltools.cd("build")
+    cmaketools.configure("-DKLU_ENABLE=ON \
+                          -DMPI_ENABLE=ON \
+                          -DOPENMP_ENABLE=ON \
+                          -DPTHREAD_ENABLE=ON \
+                          -DF77_INTERFACE_ENABLE=ON \
+                          -DCMAKE_INSTALL_LIBDIR=lib \
+                          -DKLU_LIBRARY_DIR=/usr/lib \
+                          -DCMAKE_INSTALL_PREFIX=/usr \
+                          -DCMAKE_C_FLAGS='-fPIC -fcommon' \
+                          -DEXAMPLES_INSTALL_PATH=/usr/share/sundials/examples", sourceDir="..")
+
+def build():
+    shelltools.cd("build")
+    cmaketools.make()
+
+def install():
+    shelltools.cd("build")
+    cmaketools.rawInstall("DESTDIR=%s" % get.installDIR())
+    
+    shelltools.cd("..")
+
+    pisitools.dodoc("LICENSE", "NOTICE", "README*")
\ No newline at end of file
diff --git a/science/mathematics/sundials/pspec.xml b/science/mathematics/sundials/pspec.xml
new file mode 100644
index 0000000000..02e187c992
--- /dev/null
+++ b/science/mathematics/sundials/pspec.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" ?>
+<!DOCTYPE PISI SYSTEM "https://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<PISI>
+    <Source>
+        <Name>sundials</Name>
+        <Homepage>https://computing.llnl.gov/projects/sundials</Homepage>
+        <Packager>
+            <Name>Blue Devil</Name>
+            <Email>bluedevil@sctzine.com</Email>
+        </Packager>
+        <PartOf>science.mathematics</PartOf>
+        <License>BSD</License>
+        <IsA>library</IsA>
+        <Summary>Suite of nonlinear differential/algebraic equation solvers.</Summary>
+        <Description>sundials provides a suite of nonlinear differential/algebraic equation solvers.</Description>
+        <Archive sha1sum="a33d5a9f19fad4e4a257a8c9ae1c321550885996" type="targz">https://computation.llnl.gov/projects/sundials/download/sundials-5.3.0.tar.gz</Archive>
+        <BuildDependencies>
+            <Dependency>cmake</Dependency>
+            <Dependency>libquadmath</Dependency>
+            <Dependency>python-devel</Dependency>
+            <Dependency>openmpi-devel</Dependency>
+            <Dependency>suitesparse-devel</Dependency>
+        </BuildDependencies>
+    </Source>
+
+    <Package>
+        <Name>sundials</Name>
+        <Summary>A program that automatically solves layouts of Freecell and similar variants of Card Solitaire</Summary>
+        <RuntimeDependencies>
+            <Dependency>openmpi</Dependency>
+            <Dependency>libgomp</Dependency>
+            <Dependency>suitesparse</Dependency>
+        </RuntimeDependencies>
+        <Files>
+            <Path fileType="data">/usr/share</Path>
+            <Path fileType="library">/usr/lib</Path>
+            <Path fileType="doc">/usr/share/doc</Path>
+            <Path fileType="executable">/usr/bin</Path>
+        </Files>
+    </Package>
+    
+    <Package>
+        <Name>sundials-devel</Name>
+        <Summary>Development files for sundials</Summary>
+        <RuntimeDependencies>
+            <Dependency release="current">sundials</Dependency>
+        </RuntimeDependencies>
+        <Files>
+            <Path fileType="header">/usr/include</Path>
+            <Path fileType="library">/usr/lib/pkgconfig</Path>
+        </Files>
+    </Package>
+    
+    <History>
+        <Update release="1">
+            <Date>2020-05-26</Date>
+            <Version>5.3.0</Version>
+            <Comment>First 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/sundials/translations.xml b/science/mathematics/sundials/translations.xml
new file mode 100644
index 0000000000..341ce8cc48
--- /dev/null
+++ b/science/mathematics/sundials/translations.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" ?>
+<PISI>
+    <Source>
+        <Name>sundials</Name>
+        <Summary xml:lang="tr">Doğrusal olmayan diferansiyel ve cebirsel eşitlik çözücüsü</Summary>
+        <Description xml:lang="tr">sundials, doğrusal olmayan diferansiyel ve cebirsel eşitlik çözücüleri içeren bir kitaplıktır.</Description>
+    </Source>
+</PISI>
\ No newline at end of file