How to Use the Stock Calculator App in Android 4.4.2 Kitkat

Samsung Galaxy S5: Calculator app is one of pre-installed applications in Samsung Galaxy S5. You can use this app to perform simple or complex calculations since this app combines basic and scientific calculators. All calculations you have made with this app will be saved in the calculations history. You can see the history to review your earlier calculations, or, if needed, you can copy the required calculation history and then paste it to other apps.
How to use the stock Calculator app?
You can do so by using the following steps:

1. Open the stock Calculator app.


2. 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.


3. 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.


4. 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.