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Added Prompt Box Calculator #618

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Added Prompt Box Calculator #618

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653957b
Create Prompt Box Calculator
JeninaAngelin Feb 28, 2024
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upload code files
JeninaAngelin Feb 28, 2024
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Delete Prompt box Calculator directory
JeninaAngelin Feb 28, 2024
f45104f
Create Prompt Box Calculator
JeninaAngelin Feb 28, 2024
72e8b11
adding codefiles
JeninaAngelin Feb 28, 2024
60d35a2
Update README.md
JeninaAngelin Feb 28, 2024
014e1b4
adding sample output
JeninaAngelin Feb 28, 2024
8336531
Update README.md
JeninaAngelin Feb 28, 2024
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Update README.md
JeninaAngelin Feb 28, 2024
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Update README.md
JeninaAngelin Feb 28, 2024
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Update README.md
JeninaAngelin Feb 28, 2024
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18 changes: 18 additions & 0 deletions Calculators/Prompt Box Calculator/README.md
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# Simple Calculator using JavaScript Operations

This is a basic calculator application built using JavaScript. It performs standard arithmetic operations such as addition, subtraction, multiplication, and division.

![ouput](./calc_output.PNG)

## Features

- Addition
- Subtraction
- Multiplication
- Division

## How It Works

- The calculator logic is implemented using JavaScript.
- Each button click triggers a corresponding function that updates the display with the result of the operation.
- The `eval()` function is used to evaluate the mathematical expression entered by the user.
24 changes: 24 additions & 0 deletions Calculators/Prompt Box Calculator/calc.js
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let op = prompt("Enter operation (+, -, *, /)");

if (op != "+" && op != "-" && op != "/" && op != "*") {
document.write("Invalid operation (please try again!)");
} else {
let firstNumber = prompt("Enter first number");
let secondNumber = prompt("Enter second number");

if (op == "+") {
document.write(+firstNumber + +secondNumber);
} else if (op == "-") {
document.write(+firstNumber - +secondNumber);
} else if (op == "*") {
document.write(+firstNumber * +secondNumber);
} else if (op == "/") {
document.write(+firstNumber / +secondNumber);
}
}






Binary file added Calculators/Prompt Box Calculator/calc_output.PNG
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6 changes: 6 additions & 0 deletions Calculators/Prompt Box Calculator/index.html
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<html>
<head>
<script src="calc.js"></script>
</head>
<body></body>
</html>
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