Case Study - Mortgage Loan Calculator
Client: Individual/Consulting Use Case (Confidential)
Project Type: Mortgage Loan Calculator in Excel
Tools Used: Microsoft Excel, VBA
Services: VBA Form Design, Logic Embedding, Custom Output Generation
Sector: Finance, Mortgage Advisory
About the Client
A professional or organization needing a flexible mortgage loan calculator built in Excel without relying on sheet-based formulas — ideal for non-technical users and customized outputs.
The Challenge
Design a clean entry form for loan input
Avoid traditional in-sheet formulas for maintainability
Embed all logic within VBA for modularity and control
Handle multiple input conditions and produce varied output formats
Our Solution
Created a user-friendly input form using VBA for capturing loan details
Encoded loan calculation logic (EMIs, interest, amortization) entirely in VBA
Customized output display on Excel sheets depending on user input
Ensured the workbook remained formula-free and secure from accidental edits
Implementation Highlights
Logic centralized in code, reducing spreadsheet complexity
Form-driven interaction improved usability for end users
Easily extendable structure for additional scenarios (e.g., prepayment logic)
No formula clutter in sheets — making the file cleaner and more maintainable
Demonstrated Expertise
Proficient in Excel VBA form creation and logic encapsulation
Delivered a highly usable mortgage tool with professional interface
Experience designing for non-technical users
Ability to convert manual calculations into repeatable, error-free workflows
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