diff --git a/Package.swift b/Package.swift
index 2aac1ac..19b152f 100644
--- a/Package.swift
+++ b/Package.swift
@@ -17,15 +17,30 @@ let package = Package(
             name: "PMCalc",
             dependencies: [
                 .product(name: "Adwaita", package: "adwaita-swift"),
-                .product(name: "Localized", package: "localized")
+                .product(name: "Localized", package: "localized"),
+                "CMath"
             ],
-            path: "Sources",
+            path: "Sources/PMCalc",
             resources: [
                 .process("Localized.yml")
             ],
+            cSettings: [
+                .headerSearchPath("Sources/CMath/include")
+            ],
+            linkerSettings: [
+                .unsafeFlags([
+                    "-L./Sources/CMath/lib/",
+                    "-lcmath"
+                ])
+            ],
             plugins: [
                 .plugin(name: "GenerateLocalized", package: "localized")
             ]
+        ),
+        .systemLibrary(
+            name: "CMath",
+            path: "Sources/CMath",
+            providers: []
         )
     ],
     swiftLanguageModes: [.v5]
diff --git a/Sources/CMath/include/add_nums.h b/Sources/CMath/include/add_nums.h
new file mode 100644
index 0000000..6c98505
--- /dev/null
+++ b/Sources/CMath/include/add_nums.h
@@ -0,0 +1,13 @@
+//
+//  add_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __ADD_NUMS_H
+#define __ADD_NUMS_H
+
+double add_nums(double a, double b);
+
+#endif // __ADD_NUMS_H
diff --git a/Sources/CMath/include/div_nums.h b/Sources/CMath/include/div_nums.h
new file mode 100644
index 0000000..f9167c5
--- /dev/null
+++ b/Sources/CMath/include/div_nums.h
@@ -0,0 +1,13 @@
+//
+//  div_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __DIV_NUMS_H
+#define __DIV_NUMS_H
+
+double div_nums(double a, double b);
+
+#endif // __DIV_NUMS_H
diff --git a/Sources/CMath/include/mul_nums.h b/Sources/CMath/include/mul_nums.h
new file mode 100644
index 0000000..ccbc5a9
--- /dev/null
+++ b/Sources/CMath/include/mul_nums.h
@@ -0,0 +1,13 @@
+//
+//  mul_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __MUL_NUMS_H
+#define __MUL_NUMS_H
+
+double mul_nums(double a, double b);
+
+#endif // __MUL_NUMS_H
diff --git a/Sources/CMath/include/spc_nums.h b/Sources/CMath/include/spc_nums.h
new file mode 100644
index 0000000..8e456bc
--- /dev/null
+++ b/Sources/CMath/include/spc_nums.h
@@ -0,0 +1,17 @@
+//
+//  spc_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __SPC_NUMS_H
+#define __SPC_NUMS_H
+
+#define POOR_MANS_POW_GUESSES 12
+#define NEWTONIAN_DIV_GUESSES 12
+
+double pow(double x, double exp);
+double sqrt(double x);
+
+#endif // __SPC_NUMS_H
diff --git a/Sources/CMath/include/sub_nums.h b/Sources/CMath/include/sub_nums.h
new file mode 100644
index 0000000..00439e9
--- /dev/null
+++ b/Sources/CMath/include/sub_nums.h
@@ -0,0 +1,13 @@
+//
+//  sub_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __SUB_NUMS_H
+#define __SUB_NUMS_H
+
+double sub_nums(double a, double b);
+
+#endif // __SUB_NUMS_H
diff --git a/Sources/CMath/lib/libcmath.so b/Sources/CMath/lib/libcmath.so
new file mode 100755
index 0000000..ff37e52
Binary files /dev/null and b/Sources/CMath/lib/libcmath.so differ
diff --git a/Sources/CMath/module.modulemap b/Sources/CMath/module.modulemap
new file mode 100644
index 0000000..16d4599
--- /dev/null
+++ b/Sources/CMath/module.modulemap
@@ -0,0 +1,9 @@
+module CMath {
+    header "include/add_nums.h"
+    header "include/sub_nums.h"
+    header "include/mul_nums.h"
+    header "include/div_nums.h"
+    header "include/spc_nums.h"
+    export *
+    link "cmath"
+}
diff --git a/Sources/Localized.yml b/Sources/PMCalc/Localized.yml
similarity index 100%
rename from Sources/Localized.yml
rename to Sources/PMCalc/Localized.yml
diff --git a/Sources/PMCalc.swift b/Sources/PMCalc/PMCalc.swift
similarity index 99%
rename from Sources/PMCalc.swift
rename to Sources/PMCalc/PMCalc.swift
index f607410..ca0afc8 100644
--- a/Sources/PMCalc.swift
+++ b/Sources/PMCalc/PMCalc.swift
@@ -2,6 +2,7 @@
 // https://docs.swift.org/swift-book
 
 import Adwaita
+import CMath
 
 @main
 struct PMCalc: App {
diff --git a/Sources/ToolbarView.swift b/Sources/PMCalc/ToolbarView.swift
similarity index 100%
rename from Sources/ToolbarView.swift
rename to Sources/PMCalc/ToolbarView.swift
diff --git a/me.thealgorithm476.PMCalc.PMCalc.json b/me.thealgorithm476.PMCalc.PMCalc.json
index 9ce7bc5..d8aa641 100644
--- a/me.thealgorithm476.PMCalc.PMCalc.json
+++ b/me.thealgorithm476.PMCalc.PMCalc.json
@@ -46,7 +46,8 @@
         "install -Dm644 data/me.thealgorithm476.PMCalc.PMCalc.metainfo.xml $DESTDIR/app/share/metainfo/me.thealgorithm476.PMCalc.PMCalc.metainfo.xml",
         "install -Dm644 data/me.thealgorithm476.PMCalc.PMCalc.desktop $DESTDIR/app/share/applications/me.thealgorithm476.PMCalc.PMCalc.desktop",
         "install -Dm644 data/icons/me.thealgorithm476.PMCalc.PMCalc.svg $DESTDIR/app/share/icons/hicolor/scalable/apps/me.thealgorithm476.PMCalc.PMCalc.svg",
-        "install -Dm644 data/icons/me.thealgorithm476.PMCalc.PMCalc-symbolic.svg $DESTDIR/app/share/icons/hicolor/symbolic/apps/me.thealgorithm476.PMCalc.PMCalc-symbolic.svg"
+        "install -Dm644 data/icons/me.thealgorithm476.PMCalc.PMCalc-symbolic.svg $DESTDIR/app/share/icons/hicolor/symbolic/apps/me.thealgorithm476.PMCalc.PMCalc-symbolic.svg",
+        "install -Dm644 Sources/CMath/lib/libcmath.so /app/lib/libcmath.so"
       ]
     }
   ]