• TARE: Subtracts the weight of a container or platform cover to reset the net weight to zero.
• ZERO: Resets minor zero-drift when the platform is empty.
• C (Clear): Erases the current unit price or resets calculation inputs.
• ADD: Accumulates multiple transaction totals up to 99 times.
• STORE / Memory keys (M1 to M7): Saves preset unit prices for frequently sold items