▸ Showcase · Tested math package
A payroll engine, reconciled to the cent.
This dashboard runs @deepgrade/nl-payroll — a pure, dependency-free engine for CRA federal and Newfoundland & Labrador deductions — live in your browser on synthetic crew. Drag the hours and rate; every figure recomputes through the same code that would sit behind a real settlement. It ships with unit tests against a known-good reference.
| Crew | Hrs | Gross | Deduct. | Net |
|---|---|---|---|---|
Mara Eklund Skipper · Vessel | 52 | $2,158.00 | −$661.66 | $1,496.34 |
Tomas Reyes Mate · Vessel | 50 | $1,650.00 | −$478.14 | $1,171.86 |
Priya Nandi Deckhand · Vessel | 48 | $1,272.00 | −$327.30 | $944.70 |
Sven Halvorsen Deckhand · Vessel | 46 | $1,150.00 | −$275.35 | $874.65 |
Aiko Tanaka Grade Lead · Plant | 42 | $1,302.00 | −$340.07 | $961.93 |
Daniel Osei Quality Inspector · Plant | 40 | $1,180.00 | −$288.13 | $891.87 |
Lucia Romano Line Hand · Plant | 38 | $836.00 | −$161.83 | $674.17 |
Cole Fraser Forklift Op · Plant | 44 | $1,078.00 | −$247.79 | $830.21 |
| Payroll total | $10,626.00 | −$2,780.27 | $7,845.73 |
Mara Eklund
Skipper · Vessel
Computed by @deepgrade/nl-payroll — annualizes weekly gross over 52 pay periods, applies CRA + Newfoundland & Labrador 2026 brackets, then divides back down. Same engine, server-side, behind a real settlement.
Note— Crew and wages are synthetic. Brackets and basic-personal-amounts are best estimates from standard indexation and must be verified against CRA’s official T4127 before running real payroll; CPP, EI, and vacation values are high-confidence. The point of the showcase is the shape of the work: math that lives in a tested package, not a spreadsheet.
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Crew shares, plant payroll, grading splits — whatever your domain math is.