EasyXLS

Calculate formulas

EasyXLS™ library allows you to calculate Excel formulas by defining formulas with functions or loading template Excel files with predefined formulas. The defined spreadsheet can be optionally exported to Excel.

The library can be used as Excel calculation engine. The engine provides all the functions supported by Excel as far as formulas are concerned. It provides arithmetic, logical and unary operators, formulas with numbers, dates and strings, formulas with cell references, formulas with cell ranges, formulas with names and with arrays.

Source code sample


The below example shows how to calculate Excel formulas and read the formula result.

The source code samples can be integrated in:
- ASP.NET web pages
- Windows applications
- Windows Forms (WinForms)
- Console applications
- Windows service applications
- ASP.NET MVC web applications
- PHP and ASP web pages
- Java applications
C#.NET
VB.NET
C++
Java
PHP
ASP
VB6
VBS
Coldfusion
Python

Excel functions

The calculation engine provides all the functions supported by Excel. The full list of formulas elements can be found at the following link.

Export to Excel with formulas calculation

EasyXLS allows you to export formulas to Excel file. The above code sample shows how to achieve this goal.

The formula is a cell value that must start with the "=" sign (i.e. =A1+C2).

Import Excel file with formulas

EasyXLS allows you to import an Excel file as a template with predefined formulas with functions, calculate spreadsheet formulas and read the formula result.

Getting started with EasyXLS Excel library

To download the trial version of EasyXLS Excel Library, press the below button:

Download EasyXLS™ Excel Library for .NET and Java

If you already own a license key, you may login and download EasyXLS from your account.



Available for: Professional, Excel Writer, Excel Reader
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EasyXLS Excel libraries:

.NET
.NET Excel Library
full .NET version to import, export or convert Excel files
COM+ Excel Library
full COM+ version to import, export or convert Excel files
-
Java
Java Excel Library
full Java version to import, export or convert Excel files
Download EasyXLS™ Excel Library for .NET and Java

File formats:

MS Excel 97 - 2003
MS Excel 2007 - 2019
MS Excel 2021
Office 365
XLSXXLSMXLSBXLS
XMLHTMLCSVTXT