[Calculator Name]

This calculator uses [explain the methodology]. The calculations are based on [data sources, tax tables, legal requirements, etc.].

The Formula

[Explain the core formula or calculation logic in plain English]

Data Sources

I use the following sources to ensure accuracy:

• [Source 1 - e.g., IRS Publication 15]
• [Source 2 - e.g., California Revenue and Taxation Code]
• [Source 3]

Assumptions

This calculator assumes [list key assumptions]. For situations outside these assumptions, consult a professional.

This calculator is most useful when you need to [primary use case].

Common Scenarios

• Scenario 1: [Description of when this applies]
• Scenario 2: [Description]
• Scenario 3: [Description]

Who Should Use This

[Describe the target audience - freelancers, business owners, investors, etc.]

[Concept 1 - e.g., "Capital Gains"]

[Definition and explanation - 50+ words]

[Concept 2 - e.g., "Holding Period"]

[Definition and explanation]

[Concept 3 - e.g., "Cost Basis"]

[Definition and explanation]

California-Specific Rules

[If applicable, explain how California law differs from federal]

When using this calculator, watch out for these common errors:

Mistake 1: [Title]

[Explanation of the mistake and how to avoid it]

Mistake 2: [Title]

[Explanation]

Mistake 3: [Title]

[Explanation]

When to Get Professional Help

Consider consulting a professional if [circumstances where a calculator isn't enough].