GlyphIndex

Math symbols

Find operators and relations for arithmetic, sets, logic, and geometry. Compare similar-looking signs before copying them into a formula.

Arithmetic and comparison

Keep exact, approximate and unequal relations distinct.

Larger expressions

Add the missing bounds, terms and variables in the surrounding text.

Sets and logic

These symbols operate on defined sets or propositions.

Your line
♡→✦
3 code points
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How to choose

Choose the sign for the operation or relation you mean. Add parentheses to group longer expressions, and spell out index ranges that are difficult to show in plain text.

Examples

A tolerance note

Target length: 40 ± 1 mm

The example states both the value and the unit.

Different meanings

π is a Greek letter; ∏ is the product operator.

Choose the letter for a variable or constant, and the operator for a product.

Sources and method

Keep exploring

Plus-minus sign

The plus-minus sign ± gives two possible values or a tolerance, as in 80 ± 2 mm. State which meaning you intend.

Details

Minus sign

The mathematical minus sign − marks subtraction or a negative value. It is distinct from the keyboard hyphen-minus -.

Details

Product sign

The product sign ∏ means to multiply a set of factors. It is distinct from the Greek capital letter pi Π and the multiplication sign ×.

Details

Code Point Converter

Convert text to Unicode code points or turn hexadecimal and decimal values back into characters. Check complete sequences and invalid values.

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GlyphIndex · glyphindex.site · support@glyphindex.site

Copy manually

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Use your device’s Copy command, then paste the text where you need it.

Character details

Code points
UTF-8 bytes
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