Decorators and Notations

In Corca, a decoration stays attached to the expression it modifies. You can edit the expression, remove the decoration, or replace it with another one without breaking the mathematical structure.

Most decorations are applied from the right panel after selecting an expression.

Applying decorators

Decorators are applied to selected expressions. In practice, the workflow is straightforward. You select the expression, open the right panel, and choose a decorator. The change appears immediately, and the expression remains editable.

For example, selecting the expression x+y and applying an absolute value produces: |x+y|. The expression itself does not change — only its interpretation and presentation.

Brackets and delimiters

Brackets and delimiters group expressions and define structure. They control order of operations and make formulas easier to read.

Delimiters automatically adjust to match the size of the enclosed expression. This prevents layout problems in large formulas.

Hats and tildes

Hats and tildes are commonly used to mark estimates, approximations, unit vectors, or transformed values.

Arrows

Norms and absolute values

Norms and absolute values represent magnitude. Absolute value applies to scalar quantities, while norms apply to vectors or functions.

Group decorators

Group decorators apply a visual mark to an entire expression or group of elements.

They are commonly used in derivations, proofs, and teaching materials to show relationships between terms or identify intermediate steps.

Group decorators are applied from the right panel or the suggest, when the entire expression is selected.

Cancelled decorators

Cancelled decorators place a visual strike-through on an expression. They are used to indicate removed terms, cancelled factors, or simplification steps. This makes transformations easier to follow, especially in teaching or documentation.

Boxed decorator

A boxed decorator places a visible border around an expression. It is commonly used to highlight final answers, important identities, or key results.

(x=(-b±√(,b2-4*a*c))/(2*a))

The boxed decorator does not change the mathematical meaning. It only emphasizes the result.