How to use the stock Calculator app?
You can do so by using the following steps:
- Open the stock Calculator app.
- If you hold the phone vertically, the basic calculation buttons will be displayed. You can use these buttons to perform basic mathematical operations, e.g: addition, subtraction, division, multiplication, etc.
- If you hold the phone horizontally, the advanced mathematical/scientific buttons will be displayed. You can use these buttons to perform complex mathematical operations, e.g: percentages, Sinus, Cosinus, Tangus, square root, etc. FYI, if the screen rotation feature in your phone is off, you can enable the scientific calculator by tapping
and then tap Scientific calculator. - Tap
above the keypad to view the calculations history and hide the keypad. While viewing the history, you can do these things: - Reviewing earlier calculations: swipe the screen up or down.
- Copying a calculation history: long tap the required calculation history and then tap Copy. Next, you can paste the copied calculation history to other apps.
- Deleting calculations history: tap the Clear history button.
- Tap
at the bottom of the screen to hide the calculations history and show the keypad.








