Differential Equation Symbols: Symbols,

Differential equation notation distinguishes ordinary and partial derivatives, operators, boundary data, and time-dependent state variables.

Symbol	Name and semantic role	LaTeX	Unicode
∫	IntegralAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.	`\int`	`U+222B`
∇	NablaAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.	`\nabla`	`U+2207`
∂	Partial DerivativeAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.	`\partial`	`U+2202`

Symbol

Name and semantic role

LaTeX

Unicode

Action

∫

IntegralAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.

\int

U+222B

∇

NablaAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.

\nabla

U+2207

∂

Partial DerivativeAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.

\partial

U+2202

Symbol	Name and semantic role	LaTeX	Unicode
∮	Contour IntegralAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.	`\oint`	`U+222E`
Δ	DeltaA Greek letter used as a variable, parameter, angle, coefficient, or field-specific label.	`\Delta`	`U+0394`
∬	Double IntegralAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.	`\iint`	`U+222C`
″	Double Prime SymbolAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.	`''`	`U+2033`
∘	Function CompositionAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.	`\circ`	`U+2218`
∭	Triple IntegralAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.	`\iiint`	`U+222D`

Symbol

Name and semantic role

LaTeX

Unicode

Action

∮

Contour IntegralAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.

\oint

U+222E

DeltaA Greek letter used as a variable, parameter, angle, coefficient, or field-specific label.

\Delta

U+0394

∬

Double IntegralAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.

\iint

U+222C

″

Double Prime SymbolAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.

''

U+2033

∘

Function CompositionAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.

\circ

U+2218

∭

Triple IntegralAn operator, relation, connective, or notation mark whose meaning depends on its operands and context.

\iiint

U+222D

Verified notation examples

∫\int_0^1 x^2\,dx

∇\nabla f

∂\frac{\partial f}{\partial x}

Frequently asked questions

How do I copy a differential equation symbols symbol?

Use the Copy button in the table, then verify the Unicode code point if the destination can substitute look-alike characters.

When should I use LaTeX or MathML instead?

Use LaTeX for editable equations and MathML for semantic web mathematics. Plain Unicode is best for short text where the destination preserves the exact code point.