123 Calculator - Simple Calculator with Large Keys / Big Buttons

Thank you for making 123 Calculator a top 10 Utilities App in 5 countries (on iPad)!

123 Calculator is a simple, easy-to-use app. The keys are large for easy input.

To use the Apple Watch app, first enter the number. Then swipe left to move to the operations screen. Choose your operation and swipe right. Enter the next number and press the = button.