Scientific Calculator TI-84
This is an online version of the TI-84 scientific calculator, designed for students and professionals to solve a variety of mathematical problems.
let display = document.getElementById(‘display’);
let currentInput = ”;
function addToDisplay(value) {
currentInput += value;
display.value = currentInput;
}
function clearDisplay() {
currentInput = ”;
display.value = ”;
}
function calculate() {
try {
currentInput = eval(currentInput).toString();
display.value = currentInput;
} catch (error) {
display.value = ‘Error’;
}
}
const buttons = document.querySelectorAll(‘.calculator-keys button’);
buttons.forEach(button => {
button.addEventListener(‘click’, () => {
if (button.textContent === ‘=’) {
calculate();
} else if (button.textContent === ‘C’) {
clearDisplay();
} else {
addToDisplay(button.textContent);
}
});
});
