Finance Tools

Interactive calculators and reference guides to support your financial analysis and learning.

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Calculators

Run calculations for time value of money, valuation, and financial analysis.

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TVM Calculator

Present value, future value, payments, and interest rates. The foundation of all finance.

Essential
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NPV & IRR Calculator

Evaluate projects with uneven cash flows. Calculate net present value and internal rate of return.

Essential
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Bond Pricer

Price bonds, calculate YTM, current yield, duration, and convexity with full analytics.

Fixed Income
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Stock Valuation

DDM, Gordon Growth, and multi-stage dividend discount models for equity valuation.

Equity
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WACC Calculator

Calculate weighted average cost of capital with cost of equity and after-tax cost of debt.

Corporate
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Loan Amortization

Full amortization schedules showing principal, interest, and remaining balance over time.

Lending
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DuPont Analyzer

Decompose ROE into profit margin, asset turnover, and financial leverage components.

Analysis
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Ratio Dashboard

Comprehensive financial ratio analysis covering liquidity, profitability, and solvency.

Analysis

Reference Guides

Quick-reference materials to help you solve problems and use your tools effectively.

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Which Formula?

Interactive decision tree to help you identify the right formula for any TVM problem.

Start Here
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Sign Convention Guide

Master positive and negative signs in TVM problems. The #1 source of calculator errorsโ€”solved.

Essential
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TI BA II Plus Guide

Complete keystroke guide for the TI BA II Plus financial calculator. Every function explained.

Calculator
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Excel Functions Reference

Financial functions in Excel: PV, FV, PMT, RATE, NPV, IRR, and more with syntax and examples.

Excel