# Friday Facts #88 - Combinators

*Source* · `src-wube-2015-fff-88-combinators` · status: **n/a**

| field | value |
|---|---|
| kind | Technical report / blog |
| venue | Factorio blog (Wube Software) |
| date | 2015-05-29 |
| url | https://factorio.com/blog/post/fff-88 |
| accessed | 2026-10-24 |

## Notes

Introduces arithmetic, decider, and constant combinators on the Factorio circuit network; red and green wire signals entering one entity are summed; stated aims include logic gates, memory cells, timers, lamp progress bars, and routing trains by outpost resource level.

## Backlinks (computed)

**cited by:** [Factorio](../game/factorio.md), [Signal circuits](../mechanic/signal-circuits.md)

## Citation

 (2015-05-29). *Friday Facts #88 - Combinators*. Factorio blog (Wube Software) https://factorio.com/blog/post/fff-88

---
Provenance: created in run `2026-10-24-taxonomy-m6`.