diff --git a/FusionCalculator.csproj b/FusionCalculator.csproj
index eddfd19..1d12d36 100644
--- a/FusionCalculator.csproj
+++ b/FusionCalculator.csproj
@@ -1,10 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
-    <RollForward>LatestMajor</RollForward>
-    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
-  </PropertyGroup>
+    <PropertyGroup>
+        <OutputType>Library</OutputType>
+        <TargetFramework>netstandard2.0</TargetFramework>
+        <LangVersion>latest</LangVersion>
+        <ImplicitUsings>disable</ImplicitUsings>
+        <Nullable>disable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <Compile Remove="out\MainClass.cs" />
+    </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/FusionCalculator.exe.csproj b/FusionCalculator.exe.csproj
new file mode 100644
index 0000000..2ffecb1
--- /dev/null
+++ b/FusionCalculator.exe.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <AssemblyName>FusionCalculator</AssemblyName>
+        <TargetFramework>net8.0</TargetFramework>
+        <LangVersion>latest</LangVersion>
+        <ImplicitUsings>disable</ImplicitUsings>
+        <Nullable>disable</Nullable>
+    </PropertyGroup>
+
+</Project>
\ No newline at end of file
diff --git a/build_c.sh b/build_c.sh
index d0ae125..79a1aa4 100644
--- a/build_c.sh
+++ b/build_c.sh
@@ -6,12 +6,25 @@ BIN_FILE="bin/FusionCalculator.exe"
 SRC_FILES="$(find src/ -name '*.fu')"
 WARNINGS="-Wall -Wno-unused-value -Wno-unused-function -Wno-unused-variable -Wno-discarded-qualifiers"
 INCLUDES="$(pkg-config --cflags glib-2.0)"
-COMPILER_ARGS="-O0 -g"
+
+if [[ $1 == '--debug' ]]; then
+    COMPILER_ARGS="-O0 -g"
+else
+    COMPILER_ARGS="-O2"
+fi
 LINKER_ARGS="$(pkg-config --libs glib-2.0) -lm"
 
 rm -rf out bin
 mkdir out bin
 
-fut -l c -D C -o "$OUT_FILE" $SRC_FILES
+args="-l c -D C -o "$OUT_FILE" $SRC_FILES"
+echo "------------[fut]------------"
+echo fut $args
+fut $args
 
-gcc $WARNINGS $COMPILER_ARGS "$OUT_FILE" -o "$BIN_FILE" $INCLUDES $LINKER_ARGS
+if [[ $1 != '--translate-only' ]]; then
+    echo "------------[gcc]------------"
+    args="$WARNINGS $COMPILER_ARGS "$OUT_FILE" -o "$BIN_FILE" $INCLUDES $LINKER_ARGS"
+    echo gcc $args
+    gcc $args
+fi
diff --git a/build_cs.sh b/build_cs.sh
index b1bab72..ecdaa4e 100644
--- a/build_cs.sh
+++ b/build_cs.sh
@@ -13,9 +13,13 @@ for src_file in $SRC_FILES; do
     echo "---------[$src_file]---------"
     out_file="out/$(basename $src_file .fu).cs"
     args="-l cs -D CS -n FusionCalculator $INCLUDES -o $out_file $src_file"
-    echo "fu $args"
+    echo fut $args
     fut $args
 done
 
-echo "---------[FusionCalculator.csproj]---------"
-dotnet build FusionCalculator.csproj  -o bin
+if [[ $1 != '--translate-only' ]]; then
+    echo "---------[FusionCalculator.csproj]---------"
+    args="build -c Release FusionCalculator.exe.csproj -o bin"
+    echo dotnet $args
+    dotnet $args
+fi