Emulation of a Register Machine by an Arithmetic System Rule

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This Demonstration shows that it is possible to emulate a register machine using an arithmetic system. From A New Kind of Science, page 673: "The arithmetic system takes the value that it obtains at each step, computes , and then depending on the result applies to one of the arithmetic operations specified by the rule [as shown in the rule icon]. The rule is set up so that if the value of is written in the form then the values of , and on successive steps correspond respectively to the position of the register machine in its program, and to the values of the two registers."

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The values of are indicated on the logarithmic scale.

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Contributed by: Abigail Nussey (March 2011)
Based on a program by: Todd Rowland
Open content licensed under CC BY-NC-SA


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For more information, see Stephen Wolfram's A New Kind of Science, pp. 664–673 (NKS|Online).



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