Toybox

Tools that started as personal experiments.

A shelf for small, focused tools. Some are practical, some are just curiosity — all are built to answer real questions.

Forecasting Monte Carlo Immigration planning Personal finance

Estimate clearance timing with a two-regime mixture model and recency weighting.

Monte Carlo retirement simulation with fan charts, guardrails, and sensitivity analysis.

Map when work, travel, AC21 portability, and green-card approval freedoms unlock.

“It's not where you take things from -
it's where you take them to.”

Jean-Luc Godard