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experts freemium $60.0 / Monthly (Professional tier)

Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.

experts

Helping you make rational decisions, one calculation at a time.

experts

An elegant calculator for the web.

experts Open Source

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.

nominated