This simple and effective iPhone Tip Calculator is great for when you are dining out and want to divide the guest check amongst your group. Just pick the number of people in your party and pick a tip percentage.

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Free online calculator website featuring a basic calculator, a handy tip calculator, a mortgage loan calculator, a calorie calculator and a scientific calculator. New calculators will be updated weekly.

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This is a full text scientific calculator. Just enter your formula in the text box and tap the ‘=’ button. You can use the Google calculator as well (e.g. for unit conversions).

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Monitor and protocol your Blood Sugar Glucose level and Insulin dose on the iPhone. Displays your data graphically over several time periods.

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