The Casio DJ-240D Plus Go to product viewer dialog for this item.
: It includes dedicated keys for automatic tax calculations (plus/less tax) and profit margin percentages, making it a staple for retail and office environments. Practical Resources DJ-240D Plus - CASIO Casio Dj-240d User Manual
: An interesting highlight of this model is the Recheck with Sound Assist function. If you perform a second calculation to verify results and hit a different key than the first time, a buzzer sounds to immediately alert you to the discrepancy. The Casio DJ-240D Plus Go to product viewer