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(dc.info)Parameters

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Parameters
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   DC has three parameters that control its operation: the precision,
the input radix, and the output radix.  The precision specifies the
number of fraction digits to keep in the result of most arithmetic
operations.  The input radix controls the interpretation of numbers
typed in; _all_ numbers typed in use this radix.  The output radix is
used for printing numbers.

   The input and output radices are separate parameters; you can make
them unequal, which can be useful or confusing.  The input radix must
be between 2 and 16 inclusive.  The output radix must be at least 2.
The precision must be zero or greater.  The precision is always
measured in decimal digits, regardless of the current input or output
radix.

`i'
     Pops the value off the top of the stack and uses it to set the
     input radix.

`o'
     Pops the value off the top of the stack and uses it to set the
     output radix.

`k'
     Pops the value off the top of the stack and uses it to set the
     precision.

`I'
     Pushes the current input radix on the stack.

`O'
     Pushes the current output radix on the stack.

`K'
     Pushes the current precision on the stack.