Why assumptions matter in early-stage calculationsThe point of an early estimate is to make uncertainty easier to discuss—not to hide it behind a precise-looking number.Studio journal & observations
Notes from the work.
Practical observations on engineering tools, product design, working methods, and the ideas we are still figuring out.

Why assumptions matter in early-stage calculationsThe point of an early estimate is to make uncertainty easier to discuss—not to hide it behind a precise-looking number.
Why useful software winsSoftware earns its place when it makes a real task easier to understand, complete, or revisit.
Designing products that stay clear as they growGrowth should add capability without making the core task harder to see.
The case for local-first softwareFor some work, keeping data in the browser is a practical design decision—not a slogan.
What makes a small digital tool genuinely usefulA focused tool does not have to solve an entire workflow to make a meaningful difference.
Why transparency matters in calculation toolsVisible formulas, assumptions, and limits make a calculation more useful to review.