Skill63 repo starsupdated 2mo ago

financial-calculator

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

View source Repository: chatgpt-skills

Install in Claude Code

Copy

git clone --depth 1 https://github.com/dkyazzentwatwa/chatgpt-skills /tmp/financial-calculator && cp -r /tmp/financial-calculator/financial-calculator ~/.claude/skills/financial-calculator

Then start a new Claude Code session; the skill loads automatically.

Definition

SKILL.md

# 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.

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