diff --git a/fibo.c b/fibo.c
new file mode 100644
index 0000000..933b472
--- /dev/null
+++ b/fibo.c
@@ -0,0 +1,34 @@
+// Fibonacci number generator in ANSI C using recursion
+#include <stdio.h>
+#include <time.h>
+
+long Fibo (long x);
+
+int main (int argc, const char * argv[]) {
+    
+    long fibo;
+    int i, count;
+    clock_t start, done;
+
+    count = 40;
+    start = clock();
+
+    printf("Lasketaan fibo %d \n", count);
+
+    for (i = 1; i <= count; i++) {
+        fibo = Fibo (i);
+        printf ("%d - %ld\n",i, fibo);
+    }
+
+    done = clock();
+    printf("aika: %f s\n",(done-start)/(double)(CLOCKS_PER_SEC));
+
+    return 0;
+}
+
+long Fibo (long x) {
+    if (x < 3)
+        return 1;
+    else
+        return Fibo (x-1) + Fibo (x-2);
+}
\ No newline at end of file