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Bind · Do this to my work · it remembers

Element 29

29●›
Cn
Constrain

Make one thing depend on another, and keep it so.

constraints · formulas · snapping

First known

Opened

1963Sketchpad constraints: point at two lines, press a button, and relaxation makes them parallel.

See also: VisiCalc formulas, 1977–78.

Someone opened the dated document itself. The source.

  • ReadingValue

Specimen № 29 — operate freely

Make the frames level, then drag one. Then space them evenly.

Fig. 29 — Constrain

000 readings · idle

Down the Bind column

  1. it remembersCnConstrain
  2. it connectsLLink
  3. it guessesRtRelate
  4. it actsTrTrigger

Read down and Constrain gets heavier: each step is the same act, on a machine that keeps track of more.

Bodies

The act stays put while the hardware changes. These are some of the forms Constrain takes.

  • constraints
  • formulas
  • snapping

From the 2021 table

This was a tile of its own. On this table it is a form of Constrain, and its old address lands here.

  • BindRenamedThe same act, under a name that says what it does.