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Add calculator.js file with basic calculator functions #81

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2cf4136
Added working Calculator module for functions challenge
chitra-dongare Oct 17, 2025
3bdb2a9
Added working Calculator module for functions challenge
chitra-dongare Oct 17, 2025
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29 changes: 29 additions & 0 deletions web/src/app/challenges/functions/calculator.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
// Calculator module that performs basic arithmetic operations
function Calculator(num1, num2) {
function sum() {
return num1 + num2;
}

function difference() {
return num1 - num2;
}

function product() {
return num1 * num2;
}

function dividend() {
if (num2 === 0) return "Error: Division by zero!";
return Math.floor(num1 / num2);
}


return { sum, difference, product, dividend };
}

// Example usage
const calc12And5 = Calculator(12, 5);
console.log("Sum:", calc12And5.sum());
console.log("Difference:", calc12And5.difference());
console.log("Product:", calc12And5.product());
console.log("Dividend:", calc12And5.dividend());