Site Map

1. Financial Calculators (English)

Primary calculation engine with instant outputs, live capital allocation visualizer, formula breakdown, and 5 interactive modes.

Calculates geometric compound annual growth rate across multi-year holding periods to normalize investments held over different durations.

Evaluates total asset gains, gross proceeds, capital return multiples, and net percentage performance.

2. ROI Educational Guides & Case Studies

Central educational library indexing all tutorials, benchmark comparisons, and practical financial analysis walkthroughs.

Core definitions, arithmetic formulas, percentage conversions, and interpretation of positive versus negative return ratios.

In-depth guide on compound annual growth rate formulas, why time duration matters, and multi-year investment comparisons.

Evaluating stock, ETF, and bond returns against historical benchmarks like the S&P 500, risk-free Treasury yields, and inflation.

Evaluating physical real estate: unlevered Cap Rate versus leveraged Cash-on-Cash Return with mortgage debt service and vacancy.

Evaluating commercial investments, hurdle rates, internal rate of return (IRR) principles, and equipment payback periods.

Distinguishing top-line advertising return on ad spend (ROAS) from bottom-line net profit after product COGS and fulfillment.

Measuring customer acquisition cost (CAC) and campaign contribution margins across paid advertising channels.

Discounted cash flow mechanics, hurdle rates, and why the reinvestment rate assumption makes NPV superior to IRR in corporate finance.

Subscription unit economics: CAC Payback Period in months, LTV:CAC benchmarks, and Net Revenue Retention compounding.

Analyzing private capital returns: time-agnostic cash multiples (MOIC/TVPI) versus time-weighted IRR, plus DPI cash realizations.

A century of empirical market data: 10.2% nominal vs 7.1% real CAGR, dividend reinvestment, and DCA vs. lump sum probabilities.

Calculating real purchasing power using the exact Fisher Equation, and understanding the tax drag on phantom nominal capital gains.

Measuring real purchasing-power returns after fund expense ratios, advisory fees, and capital gains taxes.

Evaluating renovation cost recoupment rates versus residential solar PV installations with federal tax credits.

Real-world case studies showing how hidden fees, misapplied time horizons, and gross vs. net errors distort decision-making.

3. Methodology & Mathematical Standards

Mathematical definitions, step-by-step formula derivations, edge-case bounds, and deterministic rounding standards.

Academic references, SEC guidelines, CFA Institute performance standards, and Federal Reserve benchmarks.

Our commitment to mathematical accuracy, continuous code validation, objective neutrality, and user error reporting.

4. About & Contact

Project overview, independent computational mission, and free accessible tooling commitment without paywalls.

Direct contact email, user feedback form, technical bug report channel, and open-source GitHub repository.

5. Legal, Privacy & Compliance Disclosures

GDPR, CCPA & COPPA compliant privacy standards: zero financial data storage, client-side processing only.

Acceptable use terms, intellectual property ownership, and disclaimer of implied warranties.

Explicit notices that calculations are educational models and do not constitute financial, investment, or tax advice.

Digital Millennium Copyright Act compliance, designated agent contacts, notice requirements, and counter-notification procedure.

Transparent disclosure of advertising partnerships, cookie policies, and TCF v2.2 consent management.