Texas Instruments Online Calculator Ti-84 Plus

function addToScreen(value) { document.getElementById(“screen”).value += value; } function clearScreen() { document.getElementById(“screen”).value = ”; } function calculateResult() { var expression = document.getElementById(“screen”).value; try { var result = eval(expression); document.getElementById(“screen”).value = result; } catch (e) { document.getElementById(“screen”).value = “Error”; } }