Data Curve Fit Creator: Excel Regression Add-in

Key Features

• Data Curve Fit Creator Add-in is an easy-to-use data analysis add-in for Microsoft Excel.
• It adds curve fitting, interpolation, and data smoothing functions to Excel.
• Curve fitting functions include polynomial and versatile local regressions.
• Interpolations include linear, cubic spline, and a `flexible` spline for more control of the spline shape.
• Data smoothing functions include moving average, median filter, and Gaussian smoothing.

Technical Specifications

• **Publisher:** Srs1software.com
• **License:** Shareware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Business / Utilities