LAB / PRACTICAL TOOLS
A small lab of tools that stayed useful.
Schedulers, trackers, calculators, and side builds that solved real problems well enough to keep around.
01
8 working apps
Inventory
Each card opens a real tool.
02
Tennis, planning, side builds
Scope
Different domains, same bias toward useful interfaces.
03
Secondary on purpose
Role
Useful enough to keep, not what leads the site.
04
Direct links
Format
Fast paths into the actual apps.
Round Robin
Build round-robin draws, enter results, and keep standings current without spreadsheet drift.
USE CASE
Made for tennis event days when pairings, results, and table math need to stay reliable.
PATH
round_robin.html
Tennis Tracker
Fast basic scorekeeping with point logging and match context in a browser-based tracker.
USE CASE
The original lightweight tracker, kept available for quick review sessions and simple match logs.
PATH
tennis_tracker.html
Tennis Tracker V2
Advanced live scoring with formats, No-Ad support, tiebreaks, undo, history, and derived match intelligence.
USE CASE
A richer courtside console that turns quick point entry into serve/return splits, clutch markers, streaks, and match flow.
PATH
/lab/tennis-tracker-v2
Mortgage Calculator
Compare payment, escrow, amortization, and total cost before the spreadsheet comes out.
USE CASE
Useful for fast housing decisions when the monthly reality matters more than the headline rate.
PATH
mortgage_calculator.html
Car Loan Calculator
Break down payment, fees, tax, interest, and payoff timing for a real financing scenario.
USE CASE
Built to compare loan terms quickly without rebuilding the same calculator every time.
PATH
car_loan_calculator.html
Asteroids
A responsive browser game kept here as a compact side build with real input and pacing work.
USE CASE
Not central to the site, but a real build worth keeping accessible.
PATH
asteroids.html
Galaga-Style Shooter
Arcade-style fixed shooter with formations, dive attacks, challenge rounds, capture beams, and dual-fighter rescue.
USE CASE
A crisp browser homage built with original vector art, score chasing, boss capture risk, and classic formation-shooter rhythm.
PATH
galaga.html
Sports Stroke Form
Local video markup for stroke review with lines, angles, circles, loupes, touch editing, and annotated frame export.
USE CASE
Built for fast form analysis across tennis, golf, baseball, and other movement-heavy sports.
PATH
sports_stroke_form.html