Casio Advanced Scientific Calculator FX-991EX
The Casio FX-991EX is a high-performance scientific calculator designed to support a wide range of mathematical and scientific calculations. With advanced features, it is ideal for students, engineers, and professionals. This calculator is known for its high-resolution display, ease of use, and exceptional functionality.
Addition Subtraction Multiplication Division function calculate() { const input = document.getElementById(“input”).value; const operation = document.getElementById(“operation”).value; let result; if (operation === “addition”) { result = parseFloat(input) + 10; } else if (operation === “subtraction”) { result = parseFloat(input) – 5; } else if (operation === “multiplication”) { result = parseFloat(input) * 2; } else if (operation === “division”) { result = parseFloat(input) / 3; } document.getElementById(“result”).innerText = “Result: ” + result; }