Suitable for temporary food kiosk, coffee shops, or retail cashier. No longer need to invest in bulky cash register, or punch the traditional calculator multiple times to do a summation of the customer's order.

You also do not need to rely on mental calculations to derive the change.

This calculator works like a CASH REGISTER.

Scenario:

Customer selects 3 items in the basket and hands over a SGD $50 note to cashier.

(a) Item at $2.90

(b) Item at $3.50

(c) Item at $2.20

To use the calculator - simply key in $2.90 X qty, $3.50 x Qty, and $2.20 x Qty. Followed by Grand Total, and Key $50 CHANGE. You will then get the answer as $41.40.