Help & Support
Learn how to use FinCalc Pro
Choose a Calculator
Select from TVM (Time Value of Money), Cash Flow, Equity Valuation, Portfolio Optimization, Bonds, Options, Risk Metrics, Loans, or Macroeconomics.
Enter Your Parameters
Fill in the required financial parameters like interest rate, periods, cash flows, etc.
Calculate & View Results
Click Calculate to see results. Export in CSV, JSON, or PDF formats.
TVM Calculator
Time Value of Money - Calculate PV, FV, PMT, NPER, and interest rate.
Cash Flow Analysis
NPV, IRR, and payback period calculations for investment projects.
Stock Valuation
DDM (Dividend Discount Model), CAPM, and WACC calculations.
Portfolio Optimization
Monte Carlo simulation for efficient frontier and optimal portfolios.
Bonds & Fixed Income
YTM, Duration, Convexity, and bond pricing calculations.
Options Pricing
Black-Scholes option pricing with Greeks (Delta, Gamma, Theta, Vega, Rho).
Risk Metrics
VaR (Value at Risk) and CVaR (Conditional VaR) calculations.
Loan Calculator
EMI calculation with amortization schedules (CPM and CAM methods).
How does calculation history work?
Calculation history is stored locally in your browser. Each time you perform a calculation, it is saved with a timestamp and inputs. You can access history from the bottom navigation on mobile or from the dedicated History page.
How do I export my calculations?
Click the Export menu button to export in CSV, JSON, or PDF format. The CSV and JSON options will download your data immediately. PDF export captures the calculation results as a formatted document.
How do I change between light and dark mode?
Click the theme toggle button in the header. You can choose Light, Dark, or follow your system preference.
How do I switch languages?
Click the language button in the header to toggle between English and Chinese (中文).
How do I use this on mobile?
The app is fully responsive. On mobile devices, the bottom navigation keeps quick access focused on Home, TVM, Portfolio, and History. Open Home to browse the full calculator directory.
Is my data stored on servers?
No. All calculation history is stored locally in your browser's localStorage. No data is sent to any server. You can export or clear your history at any time from the Settings page.
For questions, bug reports, or feature requests, please visit our GitHub repository.
github.com/louisgreen0726/financial-calc