Handy Counter | Control volume vs Time Delay calculator Uso & Estadísticas
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!
- App Store de Apple
- Gratis
- Servicios públicos
Clasificación de tiendas
- -
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.
- App Store de Apple
- Gratis
- Servicios públicos
Clasificación de tiendas
- -
Handy Counter | Control volume VS. 
Time Delay calculatormarzo 17, 2025