Handy Counter | Control volume 对比 Time Delay calculator 的使用情况和统计数据
The counter can be operated with only the volume buttons.
Good feeling of pressing buttons with realistic operation!
Let's count things while having fun without stress!
- Apple 应用商店
- 免费
- 公共事业
商店排名
- -
A calculator that can display calculation results with a delay to practice mental arithmetic.
>Mental arithmetic practice mode
Tap the timer key to turn on mental math practice mode.
Enter the formula as usual.
*Tap the timer key again to turn off the mental arithmetic practice mode.
Return to normal calculator mode.
- Apple 应用商店
- 免费
- 公共事业
商店排名
- -
Handy Counter | Control volume VS. 
Time Delay calculator三月 13, 2025