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PTBusiness Xpacks
The LLM writes. The code computes.
An Xpack is a business layer that reinforces the LLM: the model writes, verified code computes in a sandbox on your data. No invented figures — that's what justifies Premium.
Your files, your language
Drop an Excel, a PDF or describe your need. No upload: everything stays local.
The code runs the calculation
Verified, isolated code does the business arithmetic — not the LLM. Exact, reproducible results.
A written deliverable
The engine writes the report around the figures and exports it to Word or Excel.
Concrete case
"I drop my Excel, it computes, on my machine."
You drop inventory_june.xlsx
The file is read locally. It never leaves your machine.
You write your request
"Compare theoretical stock to physical and value the variance at WAC."
The Stock Xpack computes
Variance per reference, WAC/FIFO valuation, aggregates — run by the code, in a sandbox.
You get a report
Written, quantified, exported to XLSX/DOCX. Ready to send.
The catalogue at launch
Eight Xpacks, one invariant: the LLM writes, the code computes in a sandbox. Your files stay on your machine. The catalogue is growing.
Stock
Inventory variances, WAC / FIFO valuation, flagged refs, quantified report.
Purchasing
Multi-supplier quote comparison, best offer, price gaps.
App development
From idea to structured spec + implementation prompts.
Reporting / KPIs
Aggregates, indicators and quantified dashboards from your data.
Quotes & invoicing
Generate quotes and invoices, totals, VAT, due dates — verified calculations.
Small-business accounting
Entries, reconciliations and simple statements for very small businesses.
Property management
Rents, charges, adjustments and receipts — the code does the accounts.
Collections
Unpaid-invoice tracking, staged reminders, interest and schedule calculation.
Catalogue maintained and enriched
The Tifa Window team maintains and regularly enriches the Xpacks catalogue. Have a pack idea? Write to us.
Xpacks are included in Premium.
€39 for life — ≈ €23 with code 123TIFAWIN. 7-day trial.