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Powerful Interpolation Methods
Master linear, polynomial, and spline interpolation techniques. Our Excel add-in brings advanced numerical methods directly to your spreadsheets.
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Built for Excel
Seamlessly integrates with Microsoft Excel using Excel-DNA technology. Works with Excel 2010 and later versions on Windows.
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Easy to Use
Simple functions that feel native to Excel. No complex setup required. Install the add-in and start interpolating your data immediately.
Perfect for Multiple Use Cases
From financial modeling to scientific research
💼 Finance
Yield curves, term structure modeling, and risk management calculations
🔬 Science
Experimental data analysis, curve fitting, and measurement interpolation
⚙️ Engineering
CAD/CAM applications, signal processing, and physical simulations
Ready to Transform Your Data Analysis?
Join professionals who trust Interpolation.net for their Excel workflows