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financial-calculator

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Run loan, investment, NPV, retirement, savings, and risk calculations with schedules and charts. Use for deterministic financial modeling tasks.

>_dkyazzentwatwa/chatgpt-skills/financial-calculator·commit 103b430

name: financial-calculator description: Run loan, investment, NPV, retirement, savings, and risk calculations with schedules and charts. Use for deterministic financial modeling tasks.

Financial Calculator

Use deterministic calculations instead of ad hoc spreadsheet math when the user needs precise financial outputs.

Use This For

  • Loan and mortgage math
  • Investment growth and savings goals
  • NPV, IRR, and payback analysis
  • Retirement projections and withdrawal planning
  • Monte Carlo style risk scenarios

Workflow

  1. Confirm units and assumptions first: rates, compounding, time horizon, taxes, and inflation.
  2. Use scripts/financial_calc.py as the source of truth for the computation.
  3. Return both the answer and the assumptions that materially drive it.

Guardrails

  • Treat outputs as calculations, not personalized financial advice.
  • Surface simplifying assumptions and scenario sensitivity.