Deterministic workpaper skills for professionals

Understand any client CSV or XLSX in seconds — sheets, columns, and data-quality warnings before you rely on it.

Turn a messy export into a clean, review-ready workbook with every change logged.

Estimate net GST/HST and flag exceptions from a transaction export.

Build a reviewable Australian GST summary for the core Simpler BAS labels.

Build a reviewable New Zealand GST return summary with 15% rate checks.

Catch duplicate invoices, payments, and transactions before they reach the file.

Match bank activity to the GL and isolate unmatched items automatically.

Build ACB continuity, T1135 support, and journal entries from a broker export.

Roll forward GRIP, RDTOH, and CDA balances with review flags on every input.

Compare owner-manager salary and dividend scenarios on after-tax cash.

Reconcile safe income on hand to returns, retained earnings, and shareholders.

Explain any formula or spreadsheet error and get a safer alternative.

Screen OSHA PSM, EPA SWPPP, and SPCC applicability from structured project inputs.

Run rational-method peak flow and Manning pipe checks from structured design inputs.