Jdragon

Margin rate (淨利潤計算器)

Jdragon

Fraction (分數計算器)

Jdragon

Divisor (公因數計算器)

Jdragon

Celsius Fahrenheit Kelvin 溫度轉換

Jdragon

Scoreboard (水平/垂直記分牌)

Jdragon

Buddhism 108 bows

Jdragon

Click One (抽籤)

Jdragon

Coin Flip (硬幣選擇)

Jdragon

Vote (O/X投票)

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Light (屏幕燈/氣氛照明/俱樂部照明/手電筒)

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Standard deviation: 標準差/方差/平均值

Jdragon

Trigonometry (三角函數計算器)

Jdragon

Mirror (照明鏡)

Jdragon

Prime Factorization (質因數分解計算器)

Jdragon

Circle (面積/周長計算器)

Jdragon

Protractor (量角器/放大鏡/望遠鏡)

Jdragon

2.4star

Square Root (平方根計算器)

Jdragon

Clock (大屏時鐘)

Jdragon

Stopwatch (多跑秒錶)

Jdragon

Division (除法計算器)

Jdragon