Calculator with Printable Tape
Use this online calculator to perform calculations and print the results with a tape for your records.
Add
Subtract
Multiply
Divide
function calculate() {
const num1 = parseFloat(document.getElementById(‘number1’).value);
const num2 = parseFloat(document.getElementById(‘number2’).value);
const operation = document.getElementById(‘operation’).value;
let result;
switch(operation) {
case ‘add’:
result = num1 + num2;
break;
case ‘subtract’:
result = num1 – num2;
break;
case ‘multiply’:
result = num1 * num2;
break;
case ‘divide’:
if(num2 !== 0) {
result = num1 / num2;
} else {
result = ‘Error: Division by zero’;
}
break;
}
document.getElementById(‘result’).value = result;
}
function printTape() {
const num1 = document.getElementById(‘number1’).value;
const num2 = document.getElementById(‘number2’).value;
const operation = document.getElementById(‘operation’).value;
const result = document.getElementById(‘result’).value;
const tapeContent = `
Number 1: ${num1}
Number 2: ${num2}
Operation: ${operation}
Result: ${result}
`;
document.getElementById(‘tape-content’).innerHTML = tapeContent;
document.getElementById(‘printable-tape’).style.display = ‘block’;
}
