About Northstar Numbers
A collection of interactive tools built to help people think through financial and real-world decisions more clearly.
What we do
Northstar Numbers focuses on high-quality interactive decision tools: modeling, visualization, scenario testing, and clarity over generic calculator spam. The goal is to build tools that are useful, fast, and genuinely worth sharing.
How to use the tools
These tools are intended to help you explore scenarios and compare options—not to replace your own judgment. Use them to clarify tradeoffs and test assumptions; always apply your situation and goals when making decisions.