Privacy

What happens to your data

• The calculator does all the math in your browser.
• It does not send the numbers that you enter to a server.
• Your history and your choice of digits are saved on your device, in the storage of your browser. They are not sent to a server.
• You can remove the history with the clear history button.
• It has no account and no sign-in.
• It sets no cookies.
• It keeps one anonymous count when a result shows or when you calculate a percentage.
• The count has the job name, the page pattern, a random number for this page view, the device type and the browser family.
• The count has no cookie, no IP address and no number that you entered.
• If your browser sends Do Not Track or Global Privacy Control, the tool sends no count.
• The host adds Cloudflare Web Analytics to the page. It counts visits without cookies.
• The page sends error reports to its server. A report has the error, the page pattern and the browser. It has no personal data.