The PLplot Plotting Library: Programmer's Reference Manual
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### `plgzax`: Get z axis parameters

`plgzax` (digmax, digits);

Identical to `plgxax`, except that arguments are flags for z axis. See the description of `plgxax` for more detail.

`digmax` (`PLINT *`, output)

  Pointer to variable with the maximum number of digits for the z axis. If nonzero, the printed label has been switched to a floating point representation when the number of digits exceeds ``digmax``.

`digits` (`PLINT *`, output)

  Pointer to variable with the actual number of digits for the numeric labels (z axis) from the last plot.

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`plgyax`: Get y axis parameters | Up | `plhist`: Plot a histogram from unbinned data