Enhance your productivity with the Deli Calculator 39264. This sleek calculator features 14 digits and allows for efficient calculations. Its ergonomic design and large display make it easy to use, saving you time and reducing errors. Empower yourself with this reliable tool for all your mathematical needs. Heavy Duty Calculator with 14 Digit Display and 300 steps Check & Correct Calculator for office and Shops. Recheck Function: 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.