Jdragon

Margin rate (Net Profit/Cost)

Jdragon

Coin Flip: Coin Toss-Head/Tail

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illuminometer-Brightness check

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Scoreboard-Horizontal/Vertical

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Prime Factorization

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Divisor (GCD/LCM calculator)

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Trigonometry (Trigonometric)

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Vote (O/X majority voting)

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Fraction: Automatic Calculator

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Clock (Fullscreen Table Clock)

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Protractor+Telescope/Magnifier

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2,4star

Light-Flashlight+Burn-in check

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Circle (area/circumference)

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Division (quotient/remainder)

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Buddhism 108 bows- 108 counter

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Date (D-day/Anniversary/exam)

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Heraing - Hearing aid battery

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Celsius Fahrenheit Kelvin

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Standard deviation(statistics)

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Dustbin ( Unused app remover)

Jdragon

4,1star