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+# code C
+
+https://mbebenita.github.io/WasmExplorer/
+
+```
+int doubler(int a) {
+    return 2*a;
+}
+
+int square(int a) {
+    return a*a;
+}
+
+int half(int a) {
+    return a/2;
+}
+
+int add(int a, int b) {
+    return a+b;
+}
+
+int sub(int a, int b) {
+    return a-b;
+}
+
+int product(int a, int b) {
+    return a*b;
+}
+
+int divise(int a, int b) {
+    return a/b;
+}
+```
+
+