How To Reset Casio Calculator Mj-120d Plus (2025)

The Casio MJ-120D Plus is a staple in offices, retail stores, and accounting desks worldwide. Known for its durable construction, large 12-digit display, and the useful "Metal Jacket" design, it is a reliable workhorse. However, like any electronic device, it can sometimes behave erratically.

use a small, pointed object (such as a paperclip or a pin) to press the Reset/Memory Clear button located on the back of the device how to reset casio calculator mj-120d plus

Before we dive into the reset process, it's essential to understand why you might need to reset your calculator. Here are some common reasons: The Casio MJ-120D Plus is a staple in