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Replace your stock calculator with this powerful 10+ calculators!
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Calculate tip per person easily.
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Solve MATH expressions FASTER! Brain training for math calculations!
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This minimalistic and beautiful Pomodoro Timer Clock will help you focus better.
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This game will make you smarter.
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The app for chess lovers: Play against AI or online at FICS or ICC
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Scientific and Programmer's Calculator with Fractions and Complex Numbers
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Evaluate the time required to charge your rechargeable batteries
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High-performance and arbitrary precision scientific calculator
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Learn how to use a compass for orientation and navigation.
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Engineering tool for geometric properties calculation
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Tool for Solar PV and Electrical calculations in your hand.
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Boost your brain with fun math games & puzzles! Train your mind & logic.
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360° Digital Level, Bubble Level, Clinometer, Protractor
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The notepad calculator. It's smarter and clearer than a traditional calculator.
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Multiple stopwatches and timers!
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Tradesman Calc from Calculated Industries, Inc.
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Notify by voice and music for time. It customizable.
No advertising display.
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Analyze chess games with Stockfish: view, edit & share PGN games as GIFs/videos
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Test the capabilities of your phone