diff --git a/sci-calculators/qalculate/additional-files/qalculate_qt.rdef.in b/sci-calculators/qalculate/additional-files/qalculate_qt.rdef.in
new file mode 100644
index 000000000..8786b50ad
--- /dev/null
+++ b/sci-calculators/qalculate/additional-files/qalculate_qt.rdef.in
@@ -0,0 +1,91 @@
+
+resource app_flags B_MULTIPLE_LAUNCH | B_ARGV_ONLY;
+
+resource app_version {
+	major  = @MAJOR@,
+	middle = @MIDDLE@,
+	minor  = @MINOR@,
+
+	variety = B_APPV_FINAL,
+	internal = 0,
+
+	short_info = "SpeedCrunch",
+	long_info = "@LONG_INFO@"
+};
+
+resource app_signature "@APP_SIGNATURE@";
+
+resource vector_icon {
+	$"6E6369660B05CD0400190400330200160230CE013DAE84BDAD4030CEF7C95ECD"
+	$"49FAB0004DFF4D020006020000003EAF44BE6ECB00000047224A49F66A00D427"
+	$"9FFFFA3DA302001202B5100C000000000000B5C8DE4A187549B9C4000000FF00"
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+	$"BBA2C369BAE2C298B9F1C263BA72C263B968C263B89DC30BB8F7C29BB843C379"
+	$"B817C4B4B817C407B817C531B853C60AB82BC5A3B87BC671B939C6E3B8C8C6B9"
+	$"B941C755B94FC83AB948C7C8B87BC83AB6D3C83AB7A7C83AB6D3C7C3B6D3C6D6"
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+	$"B81BB41EB83FB41EB82DB419B491B828B431B47EB431BD38B431C756B431C247"
+	$"B431CB01B431CB61B83FCB61B491CB61B82DCB61B80ACB61B81BCB61B45CC756"
+	$"B3FBCB01B3FBC247B3FBB828B3FBBD38B3FBB828B3FB0209B829CB46B829CB46"
+	$"B47ECB46B41EC738B419CAE6B41EC726B41EC703B41EC715B419CAB1B829CB11"
+	$"B47ECB11BD38CB11C756CB11C247CB11CB01CB11CB61C703CB61CAB1CB61C715"
+	$"CB61C738CB61C726CB61CAE6C756CB46CB01CB46C247CB46B829CB46BD38CB46"
+	$"B829CB460205C2ACC0BBC2ACC0BBC2ACC11AC2ACC1D6C2ACC178C498C1D6C870"
+	$"C1D6C684C1D6C870C178C870C0BBC870C11AC684C0BBC2ACC0BBC498C0BBC2AC"
+	$"C0BB0205C2ACBD6DC2ACBD6DC2ACBDCBC2ACBE87C2ACBE29C498BE87C870BE87"
+	$"C684BE87C870BE29C870BD6DC870BDCBC684BD6DC2ACBD6DC498BD6DC2ACBD6D"
+	$"110A000100000A000101000A000102000A000103000A000104000A010105000A"
+	$"0A010512401183000000000000401189C02FBBC02FEA01158200040A02010600"
+	$"0A0303070809000A04010A000A05010B000A06010C000A07010D000A07010E00"
+	$"0A08010F000A020110000A0902111200"
+};
diff --git a/sci-calculators/qalculate/qalculate_qt-3.21.0.recipe b/sci-calculators/qalculate/qalculate_qt-3.21.0.recipe
new file mode 100644
index 000000000..d8ba95096
--- /dev/null
+++ b/sci-calculators/qalculate/qalculate_qt-3.21.0.recipe
@@ -0,0 +1,88 @@
+SUMMARY="The ultimate desktop calculator"
+DESCRIPTION="Qalculate! is a multi-purpose cross-platform desktop calculator. \
+It is simple to use but provides power and versatility normally reserved for \
+complicated math packages, as well as useful tools for everyday needs (such \
+as currency conversion and percent calculation). Features include a large \
+library of customizable functions, unit calculations and conversion, symbolic \
+calculations (including integrals and equations), arbitrary precision, \
+uncertainty propagation, interval arithmetic, plotting, and a user-friendly \
+interface (Qt, and CLI)."
+HOMEPAGE="https://qalculate.github.io/"
+COPYRIGHT="2003-2006, 2021 Hanna Knutsson"
+LICENSE="GNU GPL v2"
+REVISION="1"
+SOURCE_URI="https://github.com/Qalculate/qalculate-qt/releases/download/v$portVersion/qalculate-qt-$portVersion.tar.gz"
+CHECKSUM_SHA256="f14c2d8677b650fd03d8b96d82bcedbae406015f2f871222f94b827c5a0aeef6"
+SOURCE_DIR="qalculate-qt-$portVersion"
+ADDITIONAL_FILES="qalculate_qt.rdef.in"
+
+ARCHITECTURES="all !x86_gcc2"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	qalculate_qt$secondaryArchSuffix = $portVersion
+	app:qalculate_qt = $portVersion
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix
+	lib:libGL$secondaryArchSuffix
+	lib:libqalculate$secondaryArchSuffix
+	lib:libQt5Core$secondaryArchSuffix
+	lib:libQt5Gui$secondaryArchSuffix
+	lib:libQt5Network$secondaryArchSuffix
+	lib:libQt5Widgets$secondaryArchSuffix
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	devel:libGL$secondaryArchSuffix
+	devel:libqalculate$secondaryArchSuffix
+	devel:libQt5Core$secondaryArchSuffix
+	devel:libQt5Gui$secondaryArchSuffix
+	devel:libQt5Network$secondaryArchSuffix
+	devel:libQt5Widgets$secondaryArchSuffix
+	"
+BUILD_PREREQUIRES="
+	cmd:gcc$secondaryArchSuffix
+	cmd:lrelease$secondaryArchSuffix >= 5
+	cmd:make
+	cmd:pkg_config$secondaryArchSuffix
+	cmd:qmake$secondaryArchSuffix >= 5
+	"
+
+defineDebugInfoPackage qalculate_qt$secondaryArchSuffix \
+	$appsDir/Qalculate
+
+BUILD()
+{
+	qmake .
+	make $jobArgs
+}
+
+INSTALL()
+{
+	mkdir -p $appsDir
+	cp qalculate-qt $appsDir/Qalculate
+
+	local APP_SIGNATURE="application/x-vnd.qt5-qalculate_qt"
+	local MAJOR="`echo "$portVersion" | cut -d. -f1`"
+	local MIDDLE="`echo "$portVersion" | cut -d. -f2`"
+	local MINOR="`echo "$portVersion" | cut -d. -f3`"
+	local LONG_INFO="$SUMMARY"
+	sed \
+		-e "s|@APP_SIGNATURE@|$APP_SIGNATURE|" \
+		-e "s|@MAJOR@|$MAJOR|" \
+		-e "s|@MIDDLE@|$MIDDLE|" \
+		-e "s|@MINOR@|$MINOR|" \
+		-e "s|@LONG_INFO@|$LONG_INFO|" \
+		$portDir/additional-files/qalculate_qt.rdef.in > qalculate_qt.rdef
+
+	addResourcesToBinaries qalculate_qt.rdef $appsDir/Qalculate
+	addAppDeskbarSymlink $appsDir/Qalculate
+}
+
+TEST()
+{
+	cd build
+	make test
+}
diff --git a/sci-libs/libqalculate/libqalculate-3.21.0.recipe b/sci-libs/libqalculate/libqalculate-3.21.0.recipe
new file mode 100644
index 000000000..1c5f70569
--- /dev/null
+++ b/sci-libs/libqalculate/libqalculate-3.21.0.recipe
@@ -0,0 +1,121 @@
+SUMMARY="A modern multi-purpose calculator library"
+DESCRIPTION="libqalculate is math libary for expression evaluation with \
+units, variables and functions support and CAS functionality."
+HOMEPAGE="https://qalculate.github.io/"
+COPYRIGHT="2003-2007, 2008, 2016-2021  Hanna Knutsson"
+LICENSE="GNU GPL v2"
+REVISION="1"
+SOURCE_URI="https://github.com/Qalculate/libqalculate/releases/download/v$portVersion/libqalculate-$portVersion.tar.gz"
+CHECKSUM_SHA256="2a2b6f8de4b43acdff98efdda338436db1a3f7ecd994e1bc2a422a65fba03479"
+
+ARCHITECTURES="all !x86_gcc2"
+SECONDARY_ARCHITECTURES="x86"
+
+libVersion="22.14.2"
+libVersionCompat="$libVersion compat >= ${libVersion%%.*}"
+
+PROVIDES="
+	libqalculate$secondaryArchSuffix = $portVersion
+	lib:libqalculate$secondaryArchSuffix = $libVersionCompat
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix
+	cmd:gnuplot
+	lib:libcurl$secondaryArchSuffix
+	lib:libgettextpo$secondaryArchSuffix
+	lib:libgmp$secondaryArchSuffix
+	lib:libhistory$secondaryArchSuffix
+	lib:libiconv$secondaryArchSuffix
+	lib:libicudata$secondaryArchSuffix
+	lib:libicui18n$secondaryArchSuffix >= 66
+	lib:libicuuc$secondaryArchSuffix
+	lib:libintl$secondaryArchSuffix
+	lib:libmpfr$secondaryArchSuffix >= 6
+	lib:libreadline$secondaryArchSuffix
+	lib:libxml2$secondaryArchSuffix
+	"
+
+PROVIDES_devel="
+	libqalculate${secondaryArchSuffix}_devel = $portVersion
+	devel:libqalculate$secondaryArchSuffix = $libVersionCompat
+	"
+REQUIRES_devel="
+	libqalculate$secondaryArchSuffix == $portVersion base
+	devel:libgmp$secondaryArchSuffix
+	devel:libmpfr$secondaryArchSuffix >= 6
+	"
+
+SUMMARY_tools="$SUMMARY (Qalculate! binary)"
+DESCRIPTION_tools="
+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). Features include a \
+large library of customizable functions, unit calculations and conversion, \
+symbolic calculations (including integrals and equations), arbitrary \
+precision, uncertainty propagation, interval arithmetic, plotting, and a \
+user-friendly interface."
+PROVIDES_tools="
+	libqalculate${secondaryArchSuffix}_tools = $portVersion
+	cmd:qalc$secondaryArchSuffix = $portVersion
+	"
+REQUIRES_tools="
+	libqalculate$secondaryArchSuffix == $portVersion base
+	haiku$secondaryArchSuffix
+	$REQUIRES
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	devel:libcurl$secondaryArchSuffix
+	devel:libgettextlib$secondaryArchSuffix
+	devel:libgmp$secondaryArchSuffix
+	devel:libhistory$secondaryArchSuffix >= 8
+	devel:libicudata$secondaryArchSuffix
+	devel:libicui18n$secondaryArchSuffix >= 66
+	devel:libiconv$secondaryArchSuffix
+	devel:libicuuc$secondaryArchSuffix >= 66
+	devel:libintl$secondaryArchSuffix
+	devel:libmpfr$secondaryArchSuffix >= 6
+	devel:libreadline$secondaryArchSuffix >= 8
+	devel:libxml2$secondaryArchSuffix
+	"
+BUILD_PREREQUIRES="
+	cmd:awk
+	cmd:gcc$secondaryArchSuffix
+	cmd:intltoolize
+	cmd:make
+	cmd:pkg_config$secondaryArchSuffix
+	"
+
+defineDebugInfoPackage libqalculate$secondaryArchSuffix \
+	$libDir/libqalculate.so.$libVersion \
+	"$(getPackagePrefix tools)/$relativeBinDir"/qalc
+
+BUILD()
+{
+	runConfigure ./configure \
+		--disable-static
+	make $jobArgs
+}
+
+INSTALL()
+{
+	make install
+	rm $libDir/libqalculate.la
+
+	prepareInstalledDevelLib libqalculate
+	fixPkgconfig
+
+	# devel package
+	packageEntries devel \
+		$developDir
+	packageEntries tools \
+		$binDir \
+		$manDir
+}
+
+TEST()
+{
+	make check
+}