It happens several times a week. You are out eating a meal, or in a taxi, or receiving a receiving a pizza. In these situations, social norms dictate the necessity for a tip. But how much? Leave too little and you've offended your service provider... too much and you've offended your wallet. This application can help! It will calculate a tip based off a percentage with simplicity and ease. Nothing more than a tap of your finger or toes. Simple and easy to use. Never leave a bad tip again!