diff --git a/gaboshlib/g_num_is_between.sh b/gaboshlib/g_num_is_between.sh
new file mode 100644
index 0000000..3c0cc2d
--- /dev/null
+++ b/gaboshlib/g_num_is_between.sh
@@ -0,0 +1,47 @@
+function g_num_is_between {
+
+  local f_num=$1
+  local f_between1=$2
+  local f_between2=$3
+
+  # Check for integer (can be done with bash itself)
+  if [[ ${f_num} =~ ^[0-9]+$ ]] && [[ ${f_between1} =~ ^[0-9]+$ ]] && [[ ${f_between2} =~ ^[0-9]+$ ]]
+  then
+    # Check which is the low (from) and the high (to) number
+    if [ "${f_between1}" -lt "${f_between2}" ]
+    then
+      local f_from=${f_between1}
+      local f_to=${f_between2}
+    else
+      local f_from=${f_between2}
+      local f_to=${f_between1}
+    fi
+    # Check if given number is in or out range
+    if [ ${f_num} -lt ${f_from} ] || [ ${f_num} -gt ${f_to} ]
+    then
+      return 1
+    else
+      return 0
+    fi
+  fi
+
+  # Check for valid number
+  g_num_valid_number "$f_num" "$f_between1" "$f_between2" || return 1
+
+  # Check which is the low (from) and the high (to) number
+  if [ $(echo "${f_between1} < ${f_between2}" | bc -l) -ne 0 ]
+  then
+    local f_from=${f_between1}
+    local f_to=${f_between2}
+  else
+    local f_from=${f_between2}
+    local f_to=${f_between1}
+  fi
+  # Check if given number is in or out range
+  if [ $(echo "${f_num} < ${f_from}" | bc -l) -ne 0 ] || [ $(echo "${f_num} > ${f_to}" | bc -l) -ne 0 ] 
+  then
+    return 1
+  else
+    return 0
+  fi
+}