Excel Calculator — Internal Demonstration

An internal Boost Digital Factory prototype built with AI assistance and fictional data. This is not a paid client project.

The workbook calculates weighted averages and simulates replacing one grade while keeping coefficients unchanged. It shows the minimum required retake grade, the simulated result, input warnings and editable cells.

Example: 72 weighted points / 7 coefficients = 10.285714. With a target of 12/20 and a replacement subject coefficient of 3, the required retake grade is 12/20. A simulated grade of 14 gives 90/7 = 12.857143.

Deliverables created: an XLSX prototype, a visual preview, usage instructions and a verification record with 27 automated checks. Native Microsoft Excel validation was not performed. No school policy or real student data is assumed.

This example demonstrates formula design, input validation, clear reporting and documented checks.