Calculus and Differential Symbols

Copy integrals, differential operators, differentials, sums, and infinity for equations and technical notes.

The essential calculus marks live together here, including the plain-text differentials that are usually needed in the same line as an integral.

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Common calculus snippets

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Most-used notation

The integral, differentials, operators, sum, and infinity used in everyday calculus notes.

Definite integrals and change

Bounds, area and volume elements, partial derivatives, limits, and change notation.

Advanced integrals

Multiple, contour, closed-surface, and closed-volume integrals.

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Useful combinations for notes, equations, and documents. Copy one as-is, then edit it in your document.

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How do I copy these symbols?

Press any large symbol card or snippet. QuickSymbols copies it immediately and adds it to the copy tray, where you can combine several items.

Can I use these in Notion or Google Docs?

Yes. These are standard text characters, so you can paste them into Notion, Google Docs, email, notes, and most other text fields.

Do these work in Microsoft Word?

Yes. Paste them into Word like ordinary text. Their exact appearance can vary slightly with the selected font.

What is the difference between similar symbols?

The groups on this page explain the practical differences between the calculus symbols shown here, including which forms fit common notes and equations.