use if, elseif and else keyword to define the calculator condition in JavaScript. Use Standard mode for basic math, Scientific for advanced calculations, Programmer for binary code, Date calculation for working with dates, and options under Converter for converting units of measurement. Select the Open Navigation button to switch modes. You can make not only simple math calculations and calculation of. Use for work, school or personal calculations. Calculate the gross tax on your taxable income for the 201314 to 202223 income years. Let result // declaration of the variable. To get started, select the Start button, and then select Calculator in the list of apps. Large, easy and convenient online calculator. accept the number from the user through prompt boxĬonst number1 = parseFloat(prompt ('Enter the first number: ')) Ĭonst number2 = parseFloat(prompt ('Enter the second number: ')) take the operator from the user through prompt box in JavaScript.Ĭonst operator = prompt('Enter operator to perform the calculation ( either +, -, * or / ): ') program to create a simple calculator using the if.else.if in JavaScript. Else.If statement and display using the prompt dialog box. Note: If we want to remove all existing data from the Calculator, click on the Clear All button. Free math calculators with step-by-step explanations to solve problems for algebra, calculus, physics, trigonometry, statics, and more. In the given below image, we can see the results of the numbers. After this, click on the '=' (equal) button to get the operation result. ![]() We performed addition and subtraction operations in the above image by clicking on the numeric button and then addition & subtraction operations. In this project, you are going to develop a calculator that will have the following features: It will perform basic arithmetic operations like addition, subtraction, division, and multiplication. Now we perform some operation in the JavaScript program, as shown below. This calculator can perform basic mathematical operations like addition, subtraction, multiplication, and division. ![]() In this Calculator, we can perform basic operations like addition, multiplication, subtraction, and division. Here we have created a Calculator program using the JavaScript language, including HTML and CSS web programming. When the above program is executed on any browser, it shows the below image.
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