Texas Instruments BA II Plus Financial Calculator
Planning Tools

Texas Instruments

Texas Instruments BA II Plus Financial Calculator

The standard for retirement and investment calculations.

4.5(12,800 reviews)
$30–$45typical price range

Best for

Anyone who wants to do their own retirement projections, loan calculations, or investment analysis without relying entirely on online tools.

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Our Verdict

The BA II Plus is the calculator financial planners use. It handles the math behind retirement projections, loan payoff calculations, and investment returns — calculations that are tedious or impossible on a standard calculator. If you're managing your own retirement, it's a worthwhile tool to learn.

What We Like

  • Industry-standard financial calculator
  • Time-value of money functions
  • Approved for CFP exam
  • Calculates loan payments and amortization
  • Solar and battery powered

Watch Out For

  • Learning curve for financial functions
  • No graphing capability

Time-Value of Money

The most useful feature for retirement planning is the TVM (time-value of money) worksheet. Enter any four of five variables (present value, future value, payment, interest rate, number of periods) and it calculates the fifth. This answers questions like: "If I save $500/month at 6% for 15 years, how much will I have?"

Loan Calculations

The amortization worksheet shows exactly how much of each mortgage or loan payment goes to principal vs. interest, and how much you'll pay in total interest over the life of the loan. This is useful for deciding whether to pay off a mortgage early or refinance.

Learning Resources

The BA II Plus has a learning curve. YouTube has dozens of tutorials specifically for retirement and personal finance calculations. The investment of a few hours learning the basics pays off significantly for anyone managing their own finances.

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