The plus-minus symbol is used in math to represent both positive and negative results from a calculation. It also indicates the error or uncertainty in measurements.

The plus–minus sign or plus-or-minus sign (±) and the complementary minus-or-plus sign (∓) are symbols with broadly similar multiple meanings. In mathematics, the ± sign generally indicates …

In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and …

The ± symbol is a compact way of representing both positive and negative deviations or directions from a given value. This is particularly useful in contexts where precision is paramount, but a …

The list below has some of the most common symbols in mathematics. However, these symbols can have other meanings in different contexts other than math. [source?]

List of all math symbols and meaning - equality, inequality, parentheses, plus, minus, times, division, power, square root, percent, per mille,...

The left right arrow is used to indicate that two statements are logically equivalent, meaning that they are both true or both false.

Double Arrow Symbols are text icons that you can copy and paste like regular text. These Double Arrow Symbols can be used in any desktop, web, or phone application. To use Double Arrow …

Select one or more arrow symbols (← ↑ → ↓ ↚ ) using the arrow text symbol keyboard of this page. Copy the selected arrow symbols by clicking the editor green copy button or CTRL+C. …

Copy and paste Bidirectional symbols easily. List of Unicode bidirectional text symbols that you can copy or download in SVG and PNG format.