The PLplot Plotting Library: Programmer's Reference Manual
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### `plsxax`: Set x axis parameters

`plsxax` (digmax, digits);

Sets values of the ``digmax`` and ``digits`` flags for the x axis. See the Section called Annotating the Viewport in Chapter 3 for more information.

`digmax` (`PLINT`, input) Variable to set the maximum number of digits for the x axis. If nonzero, the printed label will be switched to a floating point representation when the number of digits exceeds ``digmax``. `digits` (`PLINT`, input) Field digits value. Currently, changing its value here has no effect since it is set only by `plbox` or `plbox3`. However, the user may obtain its value after a call to either of these functions by calling `plgxax`.

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`plsvpa`: Specify viewport in absolute coordinates | Up | `plsyax`: Set y axis parameters