Model | Deviz Service Auto Excel

One of Excel’s greatest strengths is its flexibility. A basic model can be expanded to include multi-currency support for international clients, real-time parts cost linking (if integrated with supplier databases), and historical estimate tracking across multiple worksheets. For a growing auto service business, the same model can evolve into a lightweight management system: linking estimates to work orders, tracking approval rates, and even calculating technician commissions. Unlike off-the-shelf garage management software, an Excel model requires no subscription fees and can be tailored by an owner with intermediate spreadsheet skills.

MDD for Excel separates three concerns:

| Layer | Description | Excel Analogy | | :--- | :--- | :--- | | Computational Model | Abstract rules, formulas, and cross-sheet dependencies (in JSON/YAML). | Hidden backend. | | View Model | Layout, styling, pivot tables, named ranges. | Template design. | | Automation Service | Execution engine, data injection, export/import. | VBA/Macro replacement. | model deviz service auto excel

It’s an Excel-based tool with three core layers: One of Excel’s greatest strengths is its flexibility

The result: change one exchange rate cell, and all part costs + service quotes in local currency update instantly. Output: A production-ready

# Example: Model definition (model.yaml)
model:
  name: "SalesCommission"
  inputs:
    - name: "revenue"
      type: "float"
      cell: "B2"
    - name: "quota"
      type: "float"
      cell: "B3"
  formulas:
    - name: "commission_rate"
      expression: "IF(revenue >= quota, 0.15, 0.05)"
      target_cell: "B4"
    - name: "commission"
      expression: "revenue * commission_rate"
      target_cell: "B5"