Ladder logic, a method of drawing electrical logic schematics.
The Ladder | Jacob's Ladder | Venn diagram | Jacob's Ladder (film) | The Ladder (band) | Phase diagram | Ladder Logic | Ladder logic | Function block diagram | Euler diagram | Coxeter–Dynkin diagram | Warnier/Orr diagram | Voronoi diagram | Satake diagram | Ribbon diagram of Sucrose Synthase-1 3S27 Structure, isolated from ''Arabidopsis thaliana | Lexis diagram | ladder seen in the dream of Ya'akov | ''K''5 is the Hasse diagram | Jacob's ladder#Judaism | Jacob’s Ladder | Hertzsprung–Russell diagram | Grotrian diagram | Function Block Diagram | Diagram of ''Trigonia costata'' James Parkinson | Control flow diagram | Campbell Diagram | Campbell diagram | Andy Diagram |
Programming followed the same formula, except that the instruction set was drastically reduced from the start to just a few languages, such as IL (Instruction List) or LD (Ladder Logic/Ladder diagram).