From 8298d66e42228e66758733b436339505001b322d Mon Sep 17 00:00:00 2001
From: erikbackman <erikbackman@users.noreply.github.com>
Date: Tue, 27 Apr 2021 19:05:57 +0200
Subject: [PATCH 1/2] (maintainer-list): add myself

---
 maintainers/maintainer-list.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 1cdd23872a0..aacdb42fedb 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -3017,6 +3017,12 @@
       fingerprint = "F178 B4B4 6165 6D1B 7C15  B55D 4029 3358 C7B9 326B";
     }];
   };
+  erikbackman = {
+    email = "contact@ebackman.net";
+    github = "erikbackman";
+    githubId = 46724898;
+    name = "Erik Backman";
+  };
   erikryb = {
     email = "erik.rybakken@math.ntnu.no";
     github = "erikryb";

From 95b40e4143c3f1eccbeb54631b042fdbcfb9cdd4 Mon Sep 17 00:00:00 2001
From: erikbackman <erikbackman@users.noreply.github.com>
Date: Tue, 27 Apr 2021 19:07:25 +0200
Subject: [PATCH 2/2] (numworks-epsilon): init at 15.3.2

---
 .../science/math/numworks-epsilon/default.nix | 53 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 +
 2 files changed, 55 insertions(+)
 create mode 100644 pkgs/applications/science/math/numworks-epsilon/default.nix

diff --git a/pkgs/applications/science/math/numworks-epsilon/default.nix b/pkgs/applications/science/math/numworks-epsilon/default.nix
new file mode 100644
index 00000000000..9ec41386da5
--- /dev/null
+++ b/pkgs/applications/science/math/numworks-epsilon/default.nix
@@ -0,0 +1,53 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, libpng
+, xorg
+, python3
+, imagemagick
+, gcc-arm-embedded
+, pkg-config
+}:
+
+stdenv.mkDerivation rec {
+  pname = "numworks-epsilon";
+  version = "15.3.2";
+
+  src = fetchFromGitHub {
+    owner = "numworks";
+    repo = "epsilon";
+    rev = version;
+    sha256 = "1q34dilyypiggjs16486jm122yf20wcigqxvspc77ig9albaxgh5";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [
+    libpng
+    xorg.libXext
+    python3
+    imagemagick
+    gcc-arm-embedded
+  ];
+
+  makeFlags = [
+    "PLATFORM=simulator"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mv ./output/release/simulator/linux/{epsilon.bin,epsilon}
+    mkdir -p $out/bin
+    cp -r ./output/release/simulator/linux/* $out/bin/
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Emulator for Epsilon, a High-performance graphing calculator operating system";
+    homepage = "https://numworks.com/";
+    license = licenses.cc-by-nc-sa-40;
+    maintainers = with maintainers; [ erikbackman ];
+    platforms = [ "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 61b0646ef9a..344d19b7b5b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -569,6 +569,8 @@ in
 
   nix-gitignore = callPackage ../build-support/nix-gitignore { };
 
+  numworks-epsilon = callPackage ../applications/science/math/numworks-epsilon { };
+
   ociTools = callPackage ../build-support/oci-tools { };
 
   octant = callPackage ../applications/networking/cluster/octant { };