The first representative to appear from the Machine Kingdom.
- Computer Operation: The A Calculus is capable of commandeering electronics to do his bidding.
- Flight: When he keeps himself to a disembodied head, A Calculus is capable of flight.
- Mechanokinesis: As a creature of The Metal, A Calculus is capable of controlling all forms of metal, and can even transform organics into metal bodies such as the Machine Queen.
- Robot Body: Like his compatriots B Calculus, C Calculus, and Omega Calculus, A Calculus' mind exceeds that of his physical body, and can retreat to the safety of Servus on a moment's notice.
- A Calculus' speech consists of many allusions to television programmes such as The Muppet Show, "It ain't easy being green", and Speed Racer, "Go Speed Racer, go!". Similarly, there are references to films such as Short Circuit, "No disassemble! Number 5 is alive!".
- 7 Appearances of A Calculus (Prime Earth)
- 4 Images featuring A Calculus (Prime Earth)
- 2 Quotations by or about A Calculus (Prime Earth)
- Character Gallery: A Calculus (Prime Earth)
Swamp Thing and is predominantly seen in the Swamp Thing family of titles. This character may be part of the Swamp Thing's supporting cast, a minor acquaintance, or one of his adversaries. This template will automatically categorize articles that include it into the Swamp Thing Characters category.
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