DOC: fix RT03,SA01,ES01 for pandas.set_eng_float_format (#60135)

ci/code_checks.sh

@@ -144,7 +144,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.io.stata.StataWriter.write_file SA01" \
         -i "pandas.plotting.andrews_curves RT03,SA01" \
         -i "pandas.plotting.scatter_matrix PR07,SA01" \
-        -i "pandas.set_eng_float_format RT03,SA01" \
         -i "pandas.tseries.offsets.BDay PR02,SA01" \
         -i "pandas.tseries.offsets.BQuarterBegin.is_on_offset GL08" \
         -i "pandas.tseries.offsets.BQuarterBegin.n GL08" \

pandas/io/formats/format.py

@@ -1926,6 +1926,9 @@ def set_eng_float_format(accuracy: int = 3, use_eng_prefix: bool = False) -> Non
     """
     Format float representation in DataFrame with SI notation.
 
+    Sets the floating-point display format for ``DataFrame`` objects using engineering
+    notation (SI units), allowing easier readability of values across wide ranges.
+
     Parameters
     ----------
     accuracy : int, default 3
@@ -1936,6 +1939,13 @@ def set_eng_float_format(accuracy: int = 3, use_eng_prefix: bool = False) -> Non
     Returns
     -------
     None
+        This method does not return a value. it updates the global display format
+        for floats in DataFrames.
+
+    See Also
+    --------
+    set_option : Set the value of the specified option or options.
+    reset_option : Reset one or more options to their default value.
 
     Examples
     --------