"To use a calculator" means to use a device that helps with mathematical calculations. It's a tool that can quickly add, subtract, multiply, or divide numbers, making math easier and faster. Full definition
Write a letter to the school board to convince them that students should be able to use calculators in math class. (educationworld.com)
You can always use the calculators available on our site to get an idea of how much mortgage you can afford — but it's important to meet with us. (granitestatemortgagenh.com)
You can estimate some of the basic costs of a balance transfer by using your calculator here. (valuepenguin.com)