iPhone Life magazine

Built-in Scientific Calculator

Create passcodes with random number generator

Issue: 

Calculator - Random Number GeneratorA scientific calculator was added to the iPhone and iPod touch with versions 2.0 and later of the OS. Among its functions is a random number generator. Press the “Rand” key at the bottom of the screen and Calc displays a random number with 15 decimal places, between 0 and 1. Developers could use this feature to create registration numbers; regular users could use it to create truly random passcodes or passwords. For example, if you wanted to create a random eight digit password, you could hit the Rand button and use the last eight digits of the random number for your password.

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