Free utility

Linear Regression Calculator

Fit a bounded least-squares line to paired numeric points.

Processing stays on this device. Your input is not uploaded, sent to an external service, or saved by Crow Tech.

Workbench

Inputs stay on this page. Use the explicit action to validate and produce a result.

Calculates ordinary least-squares slope, intercept, Pearson correlation, and R² for at most 10,000 parsed x/y rows. It is not a causal model or forecast.