Functions and Formulas

**Ackermann**- It’s named after Wilhelm Ackermann, is one of the simplest and earliest-discovered examples of a total computable function that is not primitive recursive...click here to read more.

**Dwyer**-
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**Exponential**- The exponential function arises whenever a quantity grows or decays at a rate proportional to its current value. One such situation is continuously compounded interest ...click here to read more.

**Gamma**-
In mathematics, the gamma function (represented by the capital Greek letter Γ) is an extension of the factorial function, with its argument shifted down by 1, to ....click here to read more.

**Power tower**- ...click here to read more.

**Reciprocal beta**-
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**Stirling**- ...click here to read more.

**Sudan**-
In the theory of computation, the Sudan function is an example of a function that is recursive, but not primitive recursive. This is also true of the better-known Ackermann function.....click here to read more.