Kingson pocket calculator incorporating 2 x 6 bank registers manufactured in aluminium and steel (c.1965). A stylus is clipped to the side.
The Kingson Pocket Calculator is a 6-decade “Addiator” type calculator for use with totals up to 999,999, or, by putting the decimal point two places from the right, numbers up to 9,999.9. At the foot is a table to convert fractions to decimals. It came with a stylus and PVC sleeve.