Specifying Significant Digits to be Stored in Excel File with Python.NET

Possible Usage Scenarios

By default, Aspose.Cells stores 17 significant digits of double values inside the Excel file, unlike MS-Excel which stores only 15 significant digits. You can change this behavior from 17 to 15 significant digits using the CellsHelper.significant_digits attribute.

Specifying Significant Digits to be stored in Excel file

The following sample code enforces Aspose.Cells to use 15 significant digits while storing double values. Check the output excel file (change extension to .zip to inspect stored values). The screenshot below shows how this setting affects stored values:

Sample Code

from aspose.cells import Workbook, CellsHelper
import aspose.cells
import os
import pytest

# Set significant digits to 15
CellsHelper.set_significant_digits(15)

# Create new workbook
workbook = Workbook()

# Access first worksheet
worksheet = workbook.worksheets[0]

# Set value with extended precision
cell = worksheet.cells.get("A1")
cell.put_value(1234567890123456.001234567890123456)

# Save modified workbook
workbook.save("output.xlsx")

import os
from aspose.cells import Workbook, CellsHelper

# The path to the documents directory.
current_dir = os.path.dirname(os.path.abspath(__file__))
data_dir = os.path.join(current_dir, "data")

# Set significant digits to 15 like MS-Excel
CellsHelper.set_significant_digits(15)

# Create workbook
workbook = Workbook()

# Access first worksheet
worksheet = workbook.worksheets[0]

# Access cell A1
c = worksheet.cells.get("A1")

# Put double value with 15 significant digits
c.put_value(1234567890.123451711)

# Save the workbook
output_dir = os.path.join(current_dir, "output")
if not os.path.exists(output_dir):
    os.makedirs(output_dir)

workbook.save(os.path.join(output_dir, "out_SignificantDigits.xlsx"))