let calculationSteps = “”; function performCalculation() { const value = parseFloat(document.getElementById(“numberInput”).value); if (isNaN(value)) { alert(“Please enter a valid number.”); return; } const result = value * 2; // Example operation document.getElementById(“resultOutput”).value = result.toFixed(2); calculationSteps = `Input:
Value: ${value}

`; calculationSteps += `Formula:
Result = Value × 2

`; calculationSteps += `Result:
Calculated Value: ${result.toFixed(2)}
`; if (document.getElementById(“calculationSteps”).style.display === “block”) { document.getElementById(“calculationSteps”).innerHTML = calculationSteps; } } function resetCalculator() { document.getElementById(“numberInput”).value = “”; document.getElementById(“resultOutput”).value = “”; calculationSteps = “”; document.getElementById(“calculationSteps”).innerHTML = “

Not calculated yet.

“; } function toggleCalculationSteps() { const s = document.getElementById(“calculationSteps”); const a = document.getElementById(“toggleArrow”); if (s.style.display === “none” || s.style.display === “”) { s.style.display = “block”; a.style.transform = “rotate(180deg)”; s.innerHTML = calculationSteps || “

Not calculated yet.

“; } else { s.style.display = “none”; a.style.transform = “rotate(0deg)”; } }