---
title: "Calculater"  
description: "Calculater"  
author: "Harilal Yadav"  
published: 2018-07-17  
updated: 2018-07-18  
canonical: https://www.mindstick.com/forum/34621/calculater  
category: "android apps"  
tags: ["android", "android activity"]  
reading_time: 1 minute  

---

# Calculater

How could I use simultaneously addition subtractions [multiple](https://www.mindstick.com/blog/12797/iowa-is-expected-to-see-heavy-growth-in-multiple-sectors) division.

## Replies

### Reply by Prakash nidhi Verma

Creating a Calculator for Android devices :

Arithematic operations implemented: +,-,*,/

Boolean operations implemented: and, or, not, xor Primality check, finding mod, exponent, GCD operations have also been implemented.

Design a Interface :

First we will create the GUI of our application coz interface of any application is very major effective part in development.

- grid layout

- TextView

- res/layout

![Calculater](https://www.mindstick.com/mindstickforums/6d650b6b-4e38-4856-b1a1-1c802cdf7c64/images/8d972912-c0ba-4bb4-be31-f843bcaab9b0.jpg)

```
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android">
 <scale
 android:fromXScale="1.0"
 android:toXScale="2.0"
 android:fromYScale="1.0"
 android:toYScale="2.0"
 android:duration="50"
 android:pivotY="50%"
 android:pivotX="50%"
 android:repeatCount="1"
 android:repeatMode="reverse"/> </set>
```

![Calculater](https://www.mindstick.com/mindstickforums/6d650b6b-4e38-4856-b1a1-1c802cdf7c64/images/390dc7b7-5a51-48bd-995e-79e7af603790.jpg)\


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Original Source: https://www.mindstick.com/forum/34621/calculater

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