Developers model projects in fragile Excel files only the author understands. Scenarios run slow, sharing breaks the formulas, one wrong input sinks a million dollar deal.

A web calculator that turns the development proforma into something anyone runs in a browser: land, hard costs, financing, returns. No spreadsheet, no broken formulas.

Designed and built it end to end: financial logic, interface, deploy. Translated an 84 formula Excel model into a single TypeScript engine I would have killed for managing budgets.

• Analyzed 200+ real estate projects across 12+ cities
• Calculated $7,490M in project volume to date
• Cut a 2 hour Excel exercise down to 30 seconds average
• Turns shareable scenarios into qualified leads for Octar