diff --git a/sk2/Makefile b/sk2/Makefile
new file mode 100644
index 0000000..a1ea201
--- /dev/null
+++ b/sk2/Makefile
@@ -0,0 +1,9 @@
+CC = gcc
+CFLAGS = -Wall -Wextra -std=c99
+LIBS = -lm
+
+calculator: calculator.o main.o
+        $(CC) $(CFLAGS) $^ -o $@ $(LIBS)
+
+clean:
+        rm -f calculator *.o
\ No newline at end of file