calculator | Simple calculator built with React | Apps library

 by   ahfarmer JavaScript Version: style-import License: MIT

kandi X-RAY | calculator Summary

kandi X-RAY | calculator Summary

calculator is a JavaScript library typically used in Apps, React Native, React applications. calculator has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

Created with create-react-app. See the full create-react-app guide.
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            kandi-support Support

              calculator has a medium active ecosystem.
              It has 1150 star(s) with 1763 fork(s). There are 42 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 13 open issues and 8 have been closed. On average issues are closed in 126 days. There are 75 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of calculator is style-import

            kandi-Quality Quality

              calculator has no bugs reported.

            kandi-Security Security

              calculator has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              calculator is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              calculator releases are not available. You will need to build from source code and install.
              Installation instructions are available. Examples and code snippets are not available.

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            calculator Key Features

            No Key Features are available at this moment for calculator.

            calculator Examples and Code Snippets

            Demonstrates how to use the System Calculator .
            javadot img1Lines of Code : 51dot img1License : Permissive (MIT License)
            copy iconCopy
            public static void main(String[] args) {
            
                    System.out.println("---------------------------------- \n" + "Welcome to Basic Calculator \n" + "----------------------------------");
                    System.out.println("Following operations are supported :   
            input for calculator
            javascriptdot img2Lines of Code : 15dot img2License : Non-SPDX
            copy iconCopy
            function Calculator() {
            
              this.read = function() {
                this.a = +prompt('a?', 0);
                this.b = +prompt('b?', 0);
              };
            
              this.sum = function() {
                return this.a + this.b;
              };
            
              this.mul = function() {
                return this.a * this.b;
              };
            }  
            Main function for the calculator .
            pythondot img3Lines of Code : 12dot img3License : Permissive (MIT License)
            copy iconCopy
            def main():
                """Main function."""
                # Create an instance of `QApplication`
                pycalc = QApplication(sys.argv)
                # Show the calculator's GUI
                view = PyCalcUi()
                view.show()
                # Create instances of the model and the controller
                model  

            Community Discussions

            QUESTION

            Positioning a line with text between two divs
            Asked 2021-Jun-15 at 09:40

            I've been redesigning a calculator for my website and there's a feature that I'd like to add to it. I have two divs next to each other and another div that I'd like to put in between them. I've been using the float function but nothing obvious seems to work. Aside from that, the div is supposed to contain two lines over and under text (I'll elaborate a bit more later) and I'm not sure what to do to achieve this, can someone please help?

            Below is an image of what my issue is (red boxes are just to show the divs).

            Below is what I'm trying to achieve (red boxes are just showing each div - not actually part of the design). I want a line above and below "OR" that separates the divs on either side and it has to resize relative to the size of the whole thing. For example: if the window is resized (if that makes sense).

            If you need additional information then please ask.

            ...

            ANSWER

            Answered 2021-May-27 at 11:33

            I wouldn't recommend you to use float since it has a strange behaviour sometimes. I would rather use flexboxes to achieve the layout.

            1. Create the HTML Structure:

            Source https://stackoverflow.com/questions/67721079

            QUESTION

            Check quantity of item and append correct price either Sales price or Regular price based on sales variable
            Asked 2021-Jun-15 at 05:53

            The task is to build an accurate price calculator which accounts for a sales price based on quantity. I've built a gross price calculator using compiledCart.reduce() method, (below) however I can't figure out how to add the sales functionality.

            If the user buys 1 Candy, the price is $3.97, if the user buys 2, the price is $5.00. If the user buys 3, then first two are $5.00 and the 3rd is $3.97. Same thing if the user buys 5. The first 4 are $10 and the 5th one is $3.97

            My compiledCart variable looks like this:

            ...

            ANSWER

            Answered 2021-Jun-15 at 05:53

            if the quantity is greater than 2 then:

            divide the quantity by 2 and multiply by salesPrice

            Source https://stackoverflow.com/questions/67960570

            QUESTION

            How to call api url with question marks in Laravel?
            Asked 2021-Jun-14 at 21:58

            I am trying to call an url with question mark in Laravel... I am working on a calculator api that uses the following url, for example:

            ...

            ANSWER

            Answered 2021-Jun-14 at 21:58

            From what I know, you can't do this.

            When you do url/something?a=123&b=456, you are able to then do:

            Source https://stackoverflow.com/questions/67977586

            QUESTION

            Summing columns in VBA/excel in for loop
            Asked 2021-Jun-14 at 17:41

            I'm trying to sum the contents of columns in Sheet1 that are 6 cells apart (i.e. the first is G19:G28, the second is M19:M28) using a for loop to define the column value. So, I want the sum of the G column, the sum of the M column, and so on, but only if the column value is greater than 0. The sums are then assigned to consecutive cells in a sheet called 'Calculator.' This is what I have so far, but it is not working. Any help is appreciated!

            ...

            ANSWER

            Answered 2021-Jun-14 at 17:41
            SumIf in VBA

            A Quick fix

            Source https://stackoverflow.com/questions/67973645

            QUESTION

            could not convert string to float: ''
            Asked 2021-Jun-14 at 11:00

            I am trying to program a calculator using python. It does not let me run the code because this error tells that: ValueError: could not convert string to float: '' This code was working but suddenly this error showed up. Could anyone help me with telling what I should change or add. This is the part of the code where the error occurs.

            ...

            ANSWER

            Answered 2021-Jun-14 at 08:51

            QUESTION

            Passing values from id element and calculate price
            Asked 2021-Jun-14 at 08:16

            I am trying to create a small pricing calculator. I am passing variables from id elements(complex,subject,number_quiz) to formula to calculate and output results to id variable total.

            I after passing variables to the formula, it's not calculating and not displaying any results.

            ...

            ANSWER

            Answered 2021-Jun-14 at 05:55

            First, I believe you mean var total = (com + subject) * n_q; rather than var total = (com + subject)n_q;.

            Second, all if clauses run the same code, so you can remove all the if statements and leave the code as.

            Third, you need to change getElementsById to getElementById.

            Source https://stackoverflow.com/questions/67965323

            QUESTION

            How to limit options based on a based on another , without changing values
            Asked 2021-Jun-14 at 02:05

            I have two selects, I want to configure them so that only a certain amount of options show in the second select, depending on which first selection is chosen.

            I found some code from this post and I've tried to edit it for my situation, as I need too keep the values as they are, because I'm using them in a calculator that needs them like that.

            If any one could help me fix/finish this code so it works, it would be much appreciated!

            What I'm trying to achieve:

            • If the user selects combo-x1, bench-x1 option only shows
            • If the user selects combo-x2, bench-x1 option + bench-x2 option only shows
            • If the user selects combo-x3, bench-x1 option + bench-x2 + bench-x3 option only shows
            • If the user selects combo-x4 up to combo-8, all options show

            Here is the JSFiddle: https://jsfiddle.net/mbxz186q/

            But here is the code so far as well:

            ...

            ANSWER

            Answered 2021-Jun-14 at 02:05

            Don't need jquery or complex javascript for this, most of it can be done via css:

            Source https://stackoverflow.com/questions/67963642

            QUESTION

            python creating a calculator, remembering input while resetting loop
            Asked 2021-Jun-13 at 03:36

            I would like for the input to remember the first number given to it even if you type something silly on the second input. While right now obviously the loop starts again and asks for both of the inputs again. Is there an easy way to do this?

            ...

            ANSWER

            Answered 2021-Jun-13 at 03:36

            Use separate try statements for each input with their own loops

            Source https://stackoverflow.com/questions/67918938

            QUESTION

            element.checked problem with if statement
            Asked 2021-Jun-12 at 17:25

            Hi guys i am making calculator app and i have got a problem. I made 3 radio buttons and want them to be checked with 'if statement' in JS file. It just does not work at all because 'main' does not get any class when input2 or 3 is clicked. Only the first one makes 'main' getting it but thats because of input1.checked is defaultly set to true (becaue i want the app to have a theme 1 at the start of the page). Can anyone help me, pls?

            Here is the link to the project on my github:

            ...

            ANSWER

            Answered 2021-Jun-12 at 17:25

            Select the radio inputs with document.querySelectorAll('input[name="theme"]'), loop through them with forEach() and add an event listener for change.

            Source https://stackoverflow.com/questions/67951231

            QUESTION

            I am building a calculator in flutter. This is my code for the same. I am getting this error regarding the intialization
            Asked 2021-Jun-12 at 17:07
            import 'package:flutter/material.dart';
            
            void main() {
              runApp(MyApp());
            }
            
            class MyApp extends StatelessWidget {
              const MyApp({ Key? key }) : super(key: key);
              @override
              Widget build(BuildContext context) {
                return MaterialApp(
                  theme: ThemeData(
                    primaryColor:Colors.pink[300],
                  ),
                  home: Calculator(),
                  debugShowCheckedModeBanner: false,
                );
              }
            }
            
            class Calculator extends StatefulWidget {
              const Calculator({ Key? key }) : super(key: key);
            
              @override
              _CalculatorState createState() => _CalculatorState();
            }
            
            class _CalculatorState extends State {
              @override
              Widget build(BuildContext context) {
                return Scaffold(
                  appBar: AppBar(
                    title: Text('Calculator'),
                    centerTitle: true,
                  ),
                 body:Container(
                   child: Column(
                     children: [
                       Expanded(
                         child:Container(
                           padding: EdgeInsets.all(10.0),
                           alignment: Alignment.bottomRight,
                           child:Text(text,
                           style: TextStyle(
                             fontSize: 50.0,
                             fontWeight: FontWeight.w500,
                           ),
                           ),
                         )
                       ),
                         Row(
                           children: [ 
                             customElevatedButton('9',),
                             customElevatedButton('8',),
                             customElevatedButton('7',), 
                             customElevatedButton('+',),              
                           ],    
                         ),
                         Row(
                           children: [ 
                             customElevatedButton('6',),
                             customElevatedButton('5',),
                             customElevatedButton('4',), 
                             customElevatedButton('-',),              
                           ],              
                         ),
                         Row(
                           children: [ 
                             customElevatedButton('3'),
                             customElevatedButton('2'),
                             customElevatedButton('1'), 
                             customElevatedButton('X'),              
                           ],               
                         ),
                         Row(
                           children: [ 
                             customElevatedButton('C',),
                             customElevatedButton('0',),
                             customElevatedButton('=',), 
                             customElevatedButton('/',),              
                           ],              
                         ),
                     ],
                   ),
                 )
                );   
              }
            
              Widget customElevatedButton(num) {
                return Expanded(
                  child: RaisedButton(  
                            padding:EdgeInsets.all(25.0),
                            color:Colors.pink[100] ,             
                            onPressed:(){
                              operation(num);
                            },
                            child:Text(num,
                            style: TextStyle(fontSize: 40.0),             
                            ),
                            ),
                );
              }
            String text='';
            void operation(clickedButt)
            {
              String result;
              int first,second;
              String opp;
              if(clickedButt=='C'){
                result='';
                text='';
              }
              else if(clickedButt=='+'||clickedButt=='-'||clickedButt=='X'||clickedButt=='/'){
                first=int.parse(text);
                result='';
                opp=clickedButt;
              }
              else if(clickedButt=='='){
                second=int.parse(text);
                result='';
                if(opp=='+'){
                  result=(first+second).toString();
                }
                else if(opp=='-'){
                  result=(first-second).toString();
                }
                else if(opp=='*'){
                  result=(first*second).toString();
                }
                else if(opp=='/'){
                  result=(first/second).toString();
                }
                else{
                  result=int.parse(text+clickedButt).toString();
                }
                
              }
              else{
                result=text+clickedButt;
              }
              setState(() {
                text=result;
              });
            }
            
            
            
            }
            
            ...

            ANSWER

            Answered 2021-Jun-12 at 17:07

            With dart null safety you cannot assign null to the String opp;

            The error says you have initialized the variable opp; with null value. To avoid that either,

            1. change String opp; to String? opp;

            2. use late keyword before opp as late String opp; (in this case you have to make sure that you are assigning opp variable before is is used otherwise it will throw late initialization error again)

            3. assign value to opp variable at the declaration as String opp = "someString";

            Source https://stackoverflow.com/questions/67951045

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install calculator

            You can download it from GitHub.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            https://github.com/ahfarmer/calculator.git

          • CLI

            gh repo clone ahfarmer/calculator

          • sshUrl

            git@github.com:ahfarmer/calculator.git

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