Signs and symbols of operation : increment (laplacian operator)

This symbol can be used as an operator to either indicate the discriminant, the laplacian operator or the increment (change in a quantity).

In the Marburg, UEB and Woluwe codes it indicates the increment.
In the Spanish, Antoine Swedish and Chinese codes it indicates the laplacian operator.
In the Italian code, the first symbol indicates the laplacian operator, while the second symbol indicates the discriminant

Verbal Wording in Greek

μεταβολή (λαπλασιανός τελεστής, διακρίνουσα)

Verbal Wording in English

increment (laplacian operator, discriminant)

Category

Signs and symbols of operation

Unicode

u+2206

LaTeX

\increment

MathML Code

∆

MathML Example

∆ x = x_{2} - x_{1}

Nemeth Code

⠨⠠⠙

Nemeth Example

⠨⠠⠙⠭ ⠨⠅ ⠭⠆⠤⠭⠂

Marburg Code

⠯⠙

UEB Code

⠠⠨⠙

BAUK Code

Spanish Code

⠸⠦

Woluwe Code

⠸⠙

Antoine Code

⠨⠘⠙

Swedish Code

⠻⠰⠠⠙

Finnish Code

Italian Code

⠰⠙

Russian Code

Arabic Code

COM_CUSFIELD_CHINESE

⠸⠙

COM_CUSFIELD_CZECH

increment (laplacian operator)