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Procurement & VendorsGenerated accuracy model review: 2026-05-06
Unused License Waste Calculator accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- Unused seats = max(0, purchased seats - active seats). Monthly waste = unused seats * per-seat monthly price. Recoverable credit = monthly waste * months remaining * recovery credit percent.
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Purchased Seats: 500
- Assigned Seats: 430
- Active Seats: 360
- Per-Seat Monthly Price: 38 $/seat
- Months Remaining: 6 mo
- Recovery Credit: 50%
Expected outputs
- Monthly License Waste: $5,320.00
- Annualized Waste: $63,840.00
- Recoverable Credit: $15,960.00
- Unused Seats: 140
Known limitations
- This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
- Use the result as a planning estimate unless the calculator page states a stricter purpose.
Assumptions
- All prices, thresholds, seat counts, and credits are entered by the user.
- The calculator does not pull live vendor pricing or interpret contract language.
- Inputs are processed locally in the browser and are not stored by Calwarden.
Unit handling
- Purchased Seats accepts numeric values.
- Assigned Seats accepts numeric values.
- Active Seats accepts numeric values.
- Per-Seat Monthly Price accepts values in $/seat.
- Months Remaining accepts values in mo.
- Recovery Credit accepts values in %.
- Monthly License Waste is displayed as currency.
- Annualized Waste is displayed as currency.
- Recoverable Credit is displayed as currency.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
- Currency outputs are displayed with standard US dollar formatting.
- Input precision follows configured step values where provided.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current unused-license-waste-calculator calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Unused License Waste Calculator.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.