diff --git a/gaboshlib/g_num_is_between.sh b/gaboshlib/g_num_is_between.sh
index 302fcaf..b794c82 100644
--- a/gaboshlib/g_num_is_between.sh
+++ b/gaboshlib/g_num_is_between.sh
@@ -1,54 +1,47 @@
-function g_calc {
+function g_num_is_between {
 
-  # Use bc in backround for multiple bc's running much faster
-  if [ -z "${g_bc_running}" ]
+  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
-    g_rnd=$RANDOM
-    mkdir -p ${g_tmp}/${g_rnd}
-    [ -p ${g_tmp}/${g_rnd}/bc-in ] || mkfifo ${g_tmp}/${g_rnd}/bc-in
-    [ -p ${g_tmp}/${g_rnd}/bc-out ] || mkfifo ${g_tmp}/${g_rnd}/bc-out
-    [ -p ${g_tmp}/${g_rnd}/bc-sed-in ] || mkfifo ${g_tmp}/${g_rnd}/bc-sed-in
-    [ -p ${g_tmp}/${g_rnd}/bc-sed-out ] || mkfifo ${g_tmp}/${g_rnd}/bc-sed-out
-
-    # bc stream channel
-    { bc -ql <${g_tmp}/${g_rnd}/bc-in 2>&1 >${g_tmp}/${g_rnd}/bc-out & } 2>/dev/null
-    exec 3>${g_tmp}/${g_rnd}/bc-in 4<${g_tmp}/${g_rnd}/bc-out
-
-    # sed stream channel
-    { sed -su 's/^\./0./; s/^-\./-0./' <${g_tmp}/${g_rnd}/bc-sed-in >${g_tmp}/${g_rnd}/bc-sed-out & } 2>/dev/null
-    exec 5>${g_tmp}/${g_rnd}/bc-sed-in 6<${g_tmp}/${g_rnd}/bc-sed-out
-
-    g_bc_running="true"
-  fi 
-
-  # do bc
-  echo "scale=8; $@" >&3
-  local g_bc_out
-  if ! read -t 0.1 g_bc_out <&4
-  then
-    g_traceback "$@"
-    ( exec 3<&- ) 2>/dev/null
-    ( exec 4<&- ) 2>/dev/null
-    ( exec 5<&- ) 2>/dev/null
-    ( exec 6<&- ) 2>/dev/null
-    unset g_bc_running
-    return 1
-  fi 
-
-  # do sed
-  echo ${g_bc_out} >&5
-  local g_sed_out
-  if ! read -t 0.1 g_sed_out <&6
-  then
-    g_traceback "$@"
-    ( exec 3<&- ) 2>/dev/null
-    ( exec 4<&- ) 2>/dev/null
-    ( exec 5<&- ) 2>/dev/null
-    ( exec 6<&- ) 2>/dev/null
-    unset g_bc_running
-    return 1
+    # 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
 
-  # echo result
-  echo ${g_sed_out}
+  # Check for valid number
+  g_num_valid_number "$f_num" "$f_between1" "$f_between2" || return 1
+
+  # Check which is the low (from) and the high (to) number
+  if [ $(g_calc "${f_between1} < ${f_between2}") -ne 0 ]
+  then
+    local f_from=${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 [ $(g_calc "${f_num} < ${f_from}") -ne 0 ] || [ $(g_calc "${f_num} > ${f_to}") -ne 0 ]
+  then
+    return 1
+  else
+    return 0
+  fi
 }