How to create a calculator in flutter using dart packages?

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In this blog, we are going to learn How to create a calculator in flutter full functionality. So, I already create a new project in flutter and open “lib/main.dart” in editor and import-

import ‘package:flutter/material.dart’;
import ‘package:flutter/rendering.dart’;

And using statelessWidget for title & theme color. After that using a statefulWidget and create an app like “MyHomePage();” his title name like “Calculator” and using Expand for equal space and fix between space on screen after that create a custom button and variable and assign that value integer and in Row of children’s custom button. After that create int and String for functionality and using if-else method Like that mention below-

Output-

Rajesh Kumar

I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow , and SEO strategies at Wizbrand.

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