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sum(group, value)

Operator Type: 

Operator Scope of Action: 

Operator Purpose: 

Operator First Added: 

Operator Altered: 

 Function   [other Function type actions]

 Group   [operators of similar scope]

 Mathematical   [other Mathematical operators]

 Already in v5.0.0



This computes the arithmetic sum of every value in a group. See sum_if() for a related conditional operator.

group may be any of {children,descendants,siblings,ancestors,all}.

In addition, group may be argument that designates a particular (single) note other than this.

value can be any expression, but is typically an attribute value.

For example,


constructs the current word count of the children of the note.

Possible relevant notes (via "Similar Notes" feature):

A Tinderbox Reference File : Actions & Rules : Operators : Full Operator List : sum(group, value)