System Variable FPC

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Floating Point Control

Z←⎕FPC returns the current value of the Floating Point Control precision.
Z is an integer scalar that represents the current value of the number of bits of precision used for VFP numbers.


⎕FPC←R sets the value of the Floating Point Control precision to R.
⎕FPC←⍬ sets the value of the Floating Point Control precision its system default state.


The minimum value for ⎕FPC is 53; the maximum value is the largest positive integer 9223372036854775807.

The system default value is 53.

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