diff --git a/pkgs/games/pro-office-calculator/default.nix b/pkgs/games/pro-office-calculator/default.nix
new file mode 100644
index 000000000000..f7eebea75630
--- /dev/null
+++ b/pkgs/games/pro-office-calculator/default.nix
@@ -0,0 +1,30 @@
+{ stdenv, fetchFromGitHub, tinyxml-2, cmake, qtbase, qtmultimedia, fetchpatch }:
+stdenv.mkDerivation rec {
+  version = "1.0.6";
+  name = "pro-office-calculator-${version}";
+
+  src = fetchFromGitHub {
+    owner  = "RobJinman";
+    repo   = "pro_office_calc";
+    rev    = "v${version}";
+    sha256 = "1irgch6cbc2f8il1zh8qf98m43h41hma80dxzz9c7xvbvl99lybd";
+  };
+
+  buildInputs = [ qtbase qtmultimedia tinyxml-2 ];
+
+  # This fixes a bug resulting in "illegal instruction"
+  patches = [(fetchpatch {
+    url = https://github.com/RobJinman/pro_office_calc/commit/806180d69d4af6b3183873f471c57bfdaf529560.patch;
+    sha256 = "1rcdjy233yf3kv4v18c82jyg08dykj2qspvg08n5b3bir870sbxz";
+  })];
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with stdenv.lib; {
+    description = "Just an ordinary calculator. Nothing to see here...";
+    homepage = http://proofficecalculator.com/;
+    maintainers = [ maintainers.pmiddend ];
+    platforms = platforms.linux;
+    license = licenses.gpl3;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2ebb6f6f7b48..a4ddfce10e65 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4446,6 +4446,8 @@ in
 
   pnmixer = callPackage ../tools/audio/pnmixer { };
 
+  pro-office-calculator = libsForQt5.callPackage ../games/pro-office-calculator { };
+
   pulsemixer = callPackage ../tools/audio/pulsemixer { };
 
   pwsafe = callPackage ../applications/misc/pwsafe { };