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Formulon is a headless spreadsheet calculation engine. Start by running a small formula, then try one real workbook in the runtime closest to your product.

Start with a real workbook

The quickest way to understand Formulon is to recalculate a workbook you already use. The compatibility pages are there to explain differences when something does not match Excel.

1. Install2. Evaluate oneformula3. Recalculate oneworkbookResult matches Excel?no → check coverage /file support / errormodel, then retrystep 34. Move to a use case1. Install2. Evaluate one formula3. Recalculate one workbookResult matches Excel?no → check coverage / filesupport / error model, then retrystep 34. Move to a use case
  1. Install the package for your runtime.
  2. Run one formula through Formulon.
  3. Recalculate one workbook.
  4. If the result differs from Excel, check Formula coverage, File format support, and Error model.
  5. Move to a concrete Use case.

First tasks

TaskPage
Install packagesInstall
Evaluate a single formulaEvaluate a formula
Recalculate a workbookRecalculate a workbook
Pick WASM, Python, Native Node, CLI, or C ABIChoose a runtime
Fix common integration failuresTroubleshooting
Start from a concrete workflowScenarios

Product-specific reading order

After the first run, read by concern: