Heavy Duty Calculator with 12 Digit Display and 300 steps Check & Correct Calculator for office and Shops.
The recheck function allows confirmation of errors by sound when checking calculations - if the user presses an incorrect key when performing a second calculation to check calculation results, a buzzer sounds to alert the user of the error.
- Extra large display.
- Two-way power (solar, battery).
- Key rollover.
- Durable metal faceplate.
- Tax calculation.
- Profit margin percent.
- Super command signs