Observed arrival · 2026-08-21
PaymentCalcs: Australian calculators that show their working
A suite of 30 Australian pay, tax, mortgage, and business calculators built around cited rules and exact arithmetic.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
Why it surfaced
PaymentCalcs treats financial calculators like instruments rather than brochures: each result is designed to expose its formulas, assumptions, sources, and limitations. It also promises client-side calculations, versioned rule packs, and a fail-closed approach that refuses to guess when a verified rule set is unavailable.
A suite of 30 Australian pay, tax, mortgage, and business calculators built around cited rules and exact arithmetic.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
ƒJavaScriptBrowser-side code central
One card from the complete issue