The Simple Calculator project is a web-based application that performs basic arithmetic operations such as addition, subtraction, multiplication, and division. The user interface is designed using ...

Basic arithmetic operations: Addition, subtraction, multiplication, and division. Clear button: Clears the input and resets the calculator. Delete button: Deletes the last character entered.

Many studies have shown that solving addition and subtraction problems can induce overt shifts of spatial attention. In particular, right-side targets are detected faster than left-side targets when ...

XtraMath helps kids gain fluency in addition, subtraction, multiplication, and division. The program is conceptually similar to flash cards. Credit: Ian Moore / mashable As COVID-19 was spreading last ...