Snip a maths problem, land on a step-by-step solver with it filled in.
Where the ∫ appears
A small ∫ waits at the right edge of these sites — and only on pages
where it actually finds maths, so a login page stays clean. Snipping works
everywhere regardless: the toolbar button, ⌘⇧Y, or right-click →
Snip this maths problem. To add a site, open it and right-click the
toolbar icon.