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Advanced scientific calculator source code in python

By | 13.10.2020

Get the latest tutorials on SysAdmin and open source topics. Write for DigitalOcean You get paid, we donate to tech non-profits. DigitalOcean Meetups Find and meet other developers in your city. Become an author. The Python programming language is a great tool to use when working with numbers and evaluating mathematical expressions. This quality can be utilized to make useful programs. This tutorial presents a learning exercise to help you make a simple command-line calculator program in Python 3.

For this tutorial, you should have Python 3 installed on your local computer and have a programming environment set up on the machine. If you need to either install Python or set up the environment, you can do so by following the appropriate guide for your operating system.

Calculators work best when a human provides equations for the computer to solve. Inside of the parentheses of the input function we can pass a string to prompt the user. After writing our two lines, we should save the program before we run it. We can call this program calculator. You should be able to type into the terminal window in response to each prompt. Depending on our needs of the calculator, we may want to convert the string that comes in from the input function to either an integer or a float.

So far, we have set up two variables to store user input in the form of integer data types. You can also experiment with converting the input to floats.

advanced scientific calculator source code in python

We want the user to receive confirmation about the numbers they are entering and the operator that is being used alongside the produced result. At this point, you can add the rest of the operators to the program with the same format we have used for addition:.

If we run the program at this point, the program will execute all of the operations above.

How to Create Scientific Calculator in Python - Part 2 of 3

However, we want to limit the program to only perform one operation at a time. With our calculator. We could choose whatever symbols we want, though, like 1 for additionor b for subtraction.

Because we are asking users for input, we want to use the input function. Because of how we have structured our program, the if statement will be where the addition is performed, there will be 3 else-if or elif statements for each of the other operators, and the else statement will be put in place to handle an error if the person did not input an operator symbol.

To walk through this program, first it prompts the user to put in an operation symbol. Next, the program asks for 2 numbers, and the user inputs 58 and Join them; it only takes a minute: Sign Up. Advanced Scientific Calculator project is a desktop application which is developed in Python platform. This Python project with tutorial and guide for developing a code. Advanced Scientific Calculator is a open source you can Download zip and edit as per you need. If you want more latest Python projects here.

This is simple and basic level small project for learning purpose. Also you can modified this system as per your requriments and develop a perfect advance level project. Zip file containing the source code that can be extracted and then imported into pycharm community.

This script developed by cheeti suresh. It is developed using Tkinter,pytho and Database no database. This software code helpful in academic projects for final year students. We have a great collection of Python projects. This doucment file contains project Synopsis, Reports, and various diagrams. Also abstract pdf file inside zip so that document link below the page.

advanced scientific calculator source code in python

Complete ready made open source code free of cost download. You can find Top Downloaded Python projects here. This project is a command based which helps in creating user account and logins from the users input. This project is an interesting and simple project. The project is not com Django powered weather web app, to find weather conditions on earth with more accuracy of data.To make simple calculator in python to perform basic mathematical operations such as add, subtract, multiply, and divide two numbers entered by the user.

To make calculator in python, first provide 5 options to the user, the fifth option for exit. Here are some sample runs of the above python program to illustrates how to make a simple calculator.

This is the initial output giving users, some number of choices 5 choices to choose any one from all these 5 choices. Now let's first try for the addition task by choosing or typing 1 as input and then enter any two number say 1 and 2 and then press enter key to check it out:. Now let's re-run the calculator program to this time check it out for subtraction of two numbers say 2 and 1 as shown in the following sample run:.

Again re-run the same program, and this time, provide 4 as input to check for division task and supply two numbers, that is first number as 20 and second numbers as 3 then press enter key as shown here in the below sample run:. Tools Calculator. Python Program to Make Calculator. Make Calculator in Python To make simple calculator in python to perform basic mathematical operations such as add, subtract, multiply, and divide two numbers entered by the user.

Addition" ; print "2. Subtraction" ; print "3.

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Multiplication" ; print "4. Division" ; print "5. All Rights Reserved.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Code Review Stack Exchange is a question and answer site for peer programmer code reviews. It only takes a minute to sign up. Also, a case-insensitive match would be much better.

For that, you might want to check method lower or how to use regular expressions in Python. Judging from your use of printyou're aiming at Python 3. If this is the case, then - unlike in Python 2 - you don't need. However, even in that case, converting only one of these two variables to float is enough. Like most all?

This might help you significantly, but be careful to not pass on just any potentially junky user's input.

A Python Scientific Calculator

Why don't you first input x and yand then do if-elif block for the actual computation, or, at least, make a function to input x and y and return them functions in Python can return multiple values? You have functions for simple expressions which are called only once multiplication, subtraction, etcwhich seem completely unnecessary, but you don't make one for 12 lines of code which are invoked 4 times in your code.

Regarding your naming of functions, function names should be lowercase, with words separated by underscores as necessary to improve readabilityi. I like how you put dividemultiplyadd and subtract each into their own function, but it would be even better if the function returned the result instead of printing it. That way, you can do something else with the result instead of printing it if you want to, and still use the same function.

One thing that bothers me is that you have the same 12 lines of code 4 times. You should reuse the same lines as much as possible, so that if you want to change something, you only have to change it in one place.

This code should appear only once:. But that piece of code above still repeats twice what is essentially the same thing. We should also do something about that. I would use a function I'd put the function next to the other functions at the top. I would change that by making the content of operation lowercase as soon as possible:.

Now you don't need to care about case anymore. Note that this isn't exactly the same, though: it will also allow input such as MULtiplY. I think operations is a better name than thelist. And we can change our two checks for each operation to:. This post is already quite long, but one more thing: you should change your code to use 4 spaces per indent.

This is because tabs can be displayed in different ways, for example, they break the indentation on here stackexchange if you're not careful. Most editors have a setting so that when you hit the tab key, 4 spaces appear. To change the code you've already written, use the editor's replace option to replace each tab character with 4 spaces. A key concept for consolidating all that functionality is to define a BinaryOperation class. Then, instead of writing out the instructions explicitly, let the data drive the logic.

That function can then be assigned and passed around, just like any other value in Python.You seem to have CSS turned off. Please don't fill out this field. What this is, is an ongoing indie project for making a calculator.

Well, it has more functions then your average calculator Simple as that. There is no readme yet, but in the program, type features. Sorry, can't figure out formatting Please provide the ad click URL, if possible:. Help Create Join Login. Operations Management. IT Management. Project Management. Services Business VoIP. Resources Blog Articles Deals. Menu Help Create Join Login. Python Advanced Scientific Calculator Really, it is the title.

By an 11 year old kid Status: Alpha. Add a Review. Get project updates, sponsored content from our select partners, and more. Full Name. Phone Number. Job Title. Company Size Company Size: 1 - 25 26 - 99 - - 1, - 4, 5, - 9, 10, - 19, 20, or More.

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advanced scientific calculator source code in python

Resources Blog Articles Deals. Menu Help Create Join Login. Python Advanced Scientific Calculator Really, it is the title. By an 11 year old kid Status: Alpha. Download Latest Version calc7. Get project updates, sponsored content from our select partners, and more. Full Name. Phone Number. Job Title. Company Size Company Size: 1 - 25 26 - 99 - - 1, - 4, 5, - 9, 10, - 19, 20, or More.

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Learn More. Oh no!Join them; it only takes a minute: Sign Up. In this page list of Top downloaded Python projects with source code and report. In this page so many small application like a mini projects for beginner. Also large application like a major project for advance level Python.

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