diff --git a/code-files/calculate-fibonacci.sh b/code-files/calculate-fibonacci.sh
new file mode 100644
index 0000000..709ff90
--- /dev/null
+++ b/code-files/calculate-fibonacci.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+maxint=9223372036854775807
+root=3037000499
+destination=255
+found=0
+
+rm -f fibonacci.list
+
+SECONDS=0
+
+destination=65535
+n=1
+l=1
+t=0
+
+echo "0001 1" >> fibonacci.list
+
+while [[ $n -le $destination ]]; do
+  t=$((l+n))
+  l=$n
+  n=$t
+  if [[ $n -le $destination ]]; then
+    clear
+    ((found++))
+    hex=$(printf "%04X" "$n")
+    echo "Number $n of $destination is FIBONACCI [$((n*100/destination)) %]"
+    echo "$hex $n" >> fibonacci.list
+    rate=$((SECONDS*1000000/n))
+    estsec=$((rate*destination/1000000))
+    remsec=$((estsec-SECONDS))
+    echo "Running Time: $((SECONDS/86400)) days, $(((SECONDS%86400)/3600)) hours, $(((SECONDS%3600)/60)) minutes and $(((SECONDS%60))) seconds..."
+    echo "Remaining Time: $((remsec/86400)) days, $(((remsec%86400)/3600)) hours, $(((remsec%3600)/60)) minutes and $(((remsec%60))) seconds..."
+    echo "Found $found FIBONACCI numbers at an average rate of $((found/(SECONDS+1))) per second..."
+  fi
+done
+