{"id":7782,"date":"2021-09-30T12:00:07","date_gmt":"2021-09-30T06:30:07","guid":{"rendered":"https:\/\/python-programs.com\/?p=7782"},"modified":"2021-11-22T18:35:27","modified_gmt":"2021-11-22T13:05:27","slug":"python-program-to-make-a-simple-calculator","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-program-to-make-a-simple-calculator\/","title":{"rendered":"Python Program to Make a Simple Calculator"},"content":{"rendered":"
Want to excel in java coding? Practice with these Java Programs examples with output<\/a> and write any kind of easy or difficult programs in the java language<\/p>\n When it comes to working with numbers and evaluating mathematical equations, the Python programming language is an excellent choice. This quality can be used to create beneficial software.<\/p>\n This tutorial will walk you through creating a simple command-line calculator app in Python 3. While we’ll go over one method for creating this software, there are several ways to modify the code and develop a more sophisticated calculator.<\/p>\n To create our calculator, we’ll employ math operators, variables, conditional statements, functions, and user input.<\/p>\n Below are the steps to implement the simple calculator in python:<\/p>\n When a human enters equations for the computer to solve, it works best. We’ll begin developing our program where the human enters the numbers that they want the computer to operate with.<\/p>\n To accomplish this, we’ll use Python’s built-in input() function, which accepts user-generated keyboard input. We can supply a string to prompt the user inside the parenthesis of the input() function. The user’s input will be assigned to a variable.<\/p>\n We want the user to enter two numbers for this application, so make the software prompt for two numbers. We should include a space at the end of our string when asking for input so that the user’s input is separated from the prompting string.<\/p>\n If you run this program a few times with different input, you’ll find that when prompted, you can enter anything you want, including words, symbols, whitespace, or just the enter key. This is due to the fact that input() accepts data as strings and is unaware that we are seeking for a number.<\/p>\n We want to utilize a number in this software for two reasons:<\/p>\n Depending on the calculator’s requirements, we may want to convert the string returned by the input() function to an integer or a float. We’ll wrap the input() function in the int() method to convert the input to the integer data type, as whole numbers suit our needs.<\/p>\n Let’s now add operators to our Calculator software, such as addition, multiplication, division, and subtraction.<\/p>\n Below is the implementation:<\/strong><\/p>\n Output:<\/strong><\/p>\n If you look at the result above, you’ll note that as soon as the user enters number 1 as 19 and number 2 as 13, the calculator does all of its operations. So, to make the user realize what he or she is expected to choose, we’ll start by adding some information at the top of the program, along with a decision to make.<\/p>\n Below is the implementation:<\/strong><\/p>\n Output:<\/strong><\/p>\n Related Programs<\/strong>:<\/p>\n Want to excel in java coding? Practice with these Java Programs examples with output and write any kind of easy or difficult programs in the java language When it comes to working with numbers and evaluating mathematical equations, the Python programming language is an excellent choice. This quality can be used to create beneficial software. …<\/p>\nProgram to Implement Simple Calculator<\/h2>\n
\n
1)Taking input from user<\/h3>\n
# given two numbers\r\nnumber1 = input(\"Enter the first number of which we wan to do perform calculation: \")\r\nnumber2 = input(\"Enter the first number of which we wan to do perform calculation: \")<\/pre>\n
\n
# given two numbers\r\nnumber1 = int(input(\"Enter the first number of which we wan to do perform calculation: \"))\r\nnumber2 = int(input(\"Enter the first number of which we wan to do perform calculation: \"))<\/pre>\n
2)Defining and implementing mathematical operators<\/h3>\n
# given two numbers\r\nnumber1 = int(\r\n input(\"Enter the first number of which we wan to do perform calculation: \"))\r\nnumber2 = int(\r\n input(\"Enter the first number of which we wan to do perform calculation: \"))\r\n# adding the given two numbers\r\nprint('{} + {} = '.format(number1, number2))\r\nprint(number1 + number2)\r\n\r\n# subtracting the given two numbers\r\nprint('{} - {} = '.format(number1, number2))\r\nprint(number1 - number2)\r\n\r\n# multiplying the given two numbers\r\nprint('{} * {} = '.format(number1, number2))\r\nprint(number1 * number2)\r\n\r\n# dividing the given two numbers\r\nprint('{} \/ {} = '.format(number1, number2))\r\nprint(number1 \/ number2)\r\n<\/pre>\n
Enter the first number of which we wan to do perform calculation: 19\r\nEnter the first number of which we wan to do perform calculation: 13\r\n19 + 13 = \r\n32\r\n19 - 13 = \r\n6\r\n19 * 13 = \r\n247\r\n19 \/ 13 = \r\n1.4615384615384615<\/pre>\n
\nWe’ll have to utilize conditional statements and make the entire calculator software a user-choice based operation program if we want to limit the program to only performing one operation at a time.<\/p>\n3)Using conditional statements for user-choice based operation Program<\/h3>\n
givenChoice = input('''\r\nPlease select which type of operation which we want to apply\\n\r\nenter + for addition operation\\n\r\nenter - for subtraction operation\\n\r\nenter * for multiplication operation\\n\r\nenter \/ for division operation\\n''')\r\n# given two numbers\r\nnumber1 = int(\r\n input(\"Enter the first number of which we wan to do perform calculation: \"))\r\nnumber2 = int(\r\n input(\"Enter the first number of which we wan to do perform calculation: \"))\r\nif givenChoice == \"+\":\r\n # adding the given two numbers\r\n print('{} + {} = '.format(number1, number2))\r\n print(number1 + number2)\r\nelif givenChoice == \"-\":\r\n # subtracting the given two numbers\r\n print('{} - {} = '.format(number1, number2))\r\n print(number1 - number2)\r\nelif givenChoice == \"*\":\r\n # multiplying the given two numbers\r\n print('{} * {} = '.format(number1, number2))\r\n print(number1 * number2)\r\nelif givenChoice == \"\/\":\r\n # dividing the given two numbers\r\n print('{} \/ {} = '.format(number1, number2))\r\n print(number1 \/ number2)\r\nelse:\r\n print(\"You have entered the invalid operation\")\r\n<\/pre>\n
Please select which type of operation which we want to apply\r\n\r\nenter + for addition operation\r\n\r\nenter - for subtraction operation\r\n\r\nenter * for multiplication operation\r\n\r\nenter \/ for division operation\r\n+\r\nEnter the first number of which we wan to do perform calculation: 19\r\nEnter the first number of which we wan to do perform calculation: 13\r\n19 + 13 = \r\n32<\/pre>\n
\n