Jdragon

Margin rate (Net Profit/Cost)

Jdragon

Coin Flip: Coin Toss-Head/Tail

Jdragon

illuminometer-Brightness check

Jdragon

Scoreboard-Horizontal/Vertical

Jdragon

Prime Factorization

Jdragon

Divisor (GCD/LCM calculator)

Jdragon

Vote (O/X majority voting)

Jdragon

Fraction: Automatic Calculator

Jdragon

Clock (Fullscreen Table Clock)

Jdragon

Protractor+Telescope/Magnifier

Jdragon

2,4star

Trigonometry (Trigonometric)

Jdragon

Light-Flashlight+Burn-in check

Jdragon

Circle (area/circumference)

Jdragon

Buddhism 108 bows- 108 counter

Jdragon

Division (quotient/remainder)

Jdragon

Date (D-day/Anniversary/exam)

Jdragon

Heraing - Hearing aid battery

Jdragon

Celsius Fahrenheit Kelvin

Jdragon

Standard deviation(statistics)

Jdragon

Dustbin ( Unused app remover)

Jdragon

4,1star