Input
Math Expression
Math
Evaluates a mathematical expression and returns a constant number
Docs for v2.1.17, the latest version.
Ports
Inputs
1
What the node takes in, from wires or typed values.
x
Number
Numeric input for the expression
Outputs
1
What the node gives out, to wire into other nodes.
Number
Number
Resulting constant number from the expression
Config
1
Settings on the node itself, changed in its panel.
Expression
String
Mathematical expression to be evaluated
Creation Method#
There are three options for creating a Math Expression node.#
- The first way to create a Math Expression node is by using the search list, which is opened by double left-clicking in the workspace. You can write the name of the node you need or words associated with this node.
- Keywords: math, formula, mathematical
- The second way is to select a Math Expression node from the menu that opens from the top left.
- Menu > Math > Math Expression
- The third way is to create a node using the search list, which is opened by double left-clicking in the workspace. You can write the expression you need, and the node will be created with this expression.
Steps#
- Create a Math Expression node.
- Replace the input area with the desired mathematical expression, and the node will evaluate and return the result.
Example#
expression: '2 * x + sin(x)'
See also#
Range Input
Select
Text Area Input
Text Input
Boolean
Color Input
History
First documented in v2.1.17
Oct 20, 2026
Versions before it were published before changes were recorded.