Insights
Practical notes for decisions that come before the build.
Clear explanations of calculation systems, workflow automation, and production AI—written for the people responsible for the process, not only for developers.
- Expert process systems6 min read
From spreadsheet to web app: preserve the logic before improving the interface
A practical method for converting a complex spreadsheet into a web application without losing formulas, exceptions, validation, or business control.
Read the insight - Workflow automation5 min read
Workflow automation: fix the handoffs before replacing the tools
How to find the repeated entry, invisible ownership, and fragile handoffs that cause workflow problems before choosing an automation platform.
Read the insight - Production AI5 min read
When AI should stay out of the calculation
A practical boundary between deterministic software and AI interpretation for systems that need accurate calculations and dependable business rules.
Read the insight - Production AI5 min read
Human approval in AI agents: put the boundary at the consequence
How to decide which AI-agent actions can run automatically and which should pause for human review, confirmation, and accountability.
Read the insight - Calculation systems6 min read
How to prove new software matches the original spreadsheet
A practical parity-testing approach for proving that a new calculation engine reproduces the outputs of a complex spreadsheet before launch.
Read the insight