# Calc
compute with coordinates and data

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## Parameters
|name|description|type|
|-|-|-|
|formula|formula for computing data with exprtk (use result := {x,y,z} for vector output)|String|
|grid_formula|formula for computing grid coordinates|String|
|normal_formula|formula for computing grid normals|String|
|output_type|type of output (AsInput, AsInputGrid, Vec1, Vec3)|Int|
|species|species of output data|String|