Accurate Calculations, Error-Free Confidence
The Casio DJ-120D Plus is a reliable check-and-correct desktop calculator, built for offices and businesses that need to verify calculations quickly and confidently.

300-Step Calculation Review
Review up to 300 calculation steps with a single button press. Jump directly to any specific step, and even edit values or operators mid-review to get a corrected result — no need to start over.

Recheck with Sound Assist
A built-in recheck function sounds a buzzer alert if you press an incorrect key while verifying a calculation, helping catch errors before they become costly mistakes.

Flexible Number Formatting
Localized number display lets you switch between different digit separator formats, keeping the calculator adaptable across regions and business needs.

Clear, Easy-to-Read Display
An extra-large 12-digit LCD display with 3-digit comma markers and function command signs (+, −, ×, ÷) makes tracking your calculations simple and accurate.

Reliable Dual Power
Solar-powered in sufficient light and battery-powered otherwise (LR44 battery included), the DJ-120D Plus stays ready to use whenever you need it, with UV-coated keys built for daily durability.