echo Please enter an integer value of millimetres to be converted:read MMCM=$(echo "scale=1; $MM / 10" | bc)M=$(echo "scale=3; $MM / 1000" | bc)echo $MM millimetres is equal to $CM centimetres.if [ $MM -gt 999 ]then echo $MM millimetres is equal to $M metres.else echo $MM millimetres is equal to 0$M metres.fi