Model modernisation & calculation engines
Hathigen modernises legacy spreadsheet models and calculators. We reverse-engineer the logic of a workbook that only one person truly understands, rebuild it as a clean, documented calculation engine, prove it matches the original value by value, and wrap it in a fast, transparent app for your team, customers or partners.
From RM 8,000 · typically 2–6 weeks
Model modernisation & calculation engines, done properly.
Many companies depend on a legacy spreadsheet or calculator that only one person truly understands. We reverse-engineer its logic, rebuild it as a clean, documented calculation engine, prove it matches the original value by value, and wrap it in a fast, transparent app that your team, customers or partners can use with confidence.
- Legacy workbook logic reverse-engineered and fully documented
- A clean calculation engine, verified value by value against the original
- Every result traceable back to its inputs and formulas
- Sensitivity ranking ("which inputs matter most") and what-if scenarios
- Licensed, locked copies for customers, distributors or sites
- Built-in course so new users learn the thinking behind the model
An example, running live.
Please note: this live demo animates only part of how this service works, using sample data. It is not the real interface, and it shows a small fraction of what we deliver. It is meant to give you an intuitive idea of how it works. Contact us to see the real work.
Where a modernised calculation engine pays off
Engineering & design
Sizing, selection and design calculators that engineers and sales teams can trust and share.
Process & manufacturing
Capacity, yield and process calculations turned into tools operators can use safely.
Energy & utilities
Load, efficiency and costing calculations with clear scenarios for planning.
Pharma & food
Formulation and batch calculations as clear, auditable applications.
Quality & compliance
Calculation records with full traceability, ready for audits and reviews.
Sales & customer tools
Quotation and configuration engines released as locked, branded apps for customers and partners.
How a project runs.
Share
Send drawings, process flows or the spreadsheet.
Prototype
See an interactive first version quickly.
Refine
Iterate with your engineers and operators.
Hand over
Deploy, train and support.
From RM 8,000, typically 2–6 weeks. Every project gets a fixed-price quotation: 40% at the start, 40% at the working prototype and 20% at hand-over. Discovery and scoping is RM 1,500 for 1–2 days, credited to the project if it goes ahead. Prices in MYR, excluding SST where applicable.
