Engineering.
Engineering decisions behind Viotus software and infrastructure. Explore its purpose, evidence and place in the wider Viotus development record.
Four Safeguards for Account Name Changes
A practical policy matrix that balances legitimate account renaming with impersonation, confusion and rapid-change abuse risks.
The Unit-and-Scale Check for Financial Calculations
A calculation may be arithmetically correct yet financially wrong. Use this unit-and-scale ledger to catch percentage, period, currency and magnitude mismatches.
Design Financial Inputs Around the Question
A question-first input contract makes required variables and assumptions understandable before a financial calculation begins.
Archive
How to Audit a Financial Calculator Result
A practical reverse audit for tracing one financial result through its units, dates, sources, assumptions, derived values and execution history.
Why Linked Financial Calculations Should Update Atomically
A linked calculation is only coherent when upstream changes reach every dependent result together—or leave the prior workspace intact.