Next | Continued Fraction Arithmetic | 37 |

Instead of

*z*=*z*(*x*), we will have*z*=*z*(*x*,*y*)Instead of we will have

We will abbreviate this to

*z*can do three things:Input a term

*p*from*x*:

Input a term

*q*from*y*:

Output a term

*r*:

Summary:

is quite similar to , but with two variables instead of one

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