Remove the left side screw.

Screw: 4-48 x 1/4", head 1/4" x 1/16"

Put it in a bag!

You should label each bag with the model number and serial number.

You can find the serial number by turning the calculator upside down and peering into the slot cut into the bottom, which gives you the model number and serial number.

Label the bag 1 so that you know where in the sequence this part was pulled off.