With everyone carrying less cash and increasingly depending on credit cards and digital wallets, demand is growing for tech-savvy tools to make tipping easier. With a few quick swipes on a smartphone, ...

Say goodbye to the awkwardness of figuring out what you owe at the end of a meal. Your Apple Watch’s Calculator app offers a simple solution for splitting the bill and calculating tips. With the Tip ...

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The best way to calculate a tip is simple: multiply the sales tax. After writing about math for five years, I'm surprised there's still so much variation in how people choose to do this everyday math.

Siri will calculate tips for you, just ask "$45.70 plus 20%" to get the amount, then follow up with "divide by three" to split. The Apple Watch has a built-in feature for calculating tips and ...