Best Financial Calculators in the Market
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A good financial calculator pays for itself the first week of a finance, accounting, or real-estate course, no more wrestling with formulas or spreadsheets for time value of money. Below are the best financial calculators in 2026, including the models required for exams like the CFA.
At a glance
| Calculator | Best for | Type | Entry | Approved | |
|---|---|---|---|---|---|
| TI BA II Plus | Best overall | Financial | None | CFA, finance courses | Check price → |
| HP 12C | The finance-pro standard | Financial | RPN, programmable | CFA, CFP, FRM | Check price → |
| HP 10bII+ | Best for business class & value | Financial | None | SAT, AP, business courses | Check price → |
1. TI BA II Plus – Best overall
The BA II Plus is the standard financial calculator for business school and the CFA exam. It handles time value of money, cash flow analysis, NPV and IRR, amortization, and statistics, and stores your worksheet values so you don’t retype them. In finance, accounting, or economics, this is the one professors expect.
What’s good:
- The finance and CFA standard
- TVM, NPV, IRR built in
- Worksheet modes
- Affordable
Worth knowing:
- Not for graphing
- Plain one-line display
2. HP 12C – The finance-pro standard
The HP 12C has been the financial calculator since 1981, and it’s still what many bankers, real-estate agents, and accountants reach for. It handles time value of money, amortization, bond yields, NPV, and IRR, and its Reverse Polish Notation entry is famously fast once it clicks. It’s allowed on the CFA, CFP, and FRM exams.
What’s good:
- The 40-year finance standard
- Allowed on the CFA, CFP, and FRM exams
- Fast RPN entry
- Programmable keys
- Pocket-sized and durable
Worth knowing:
- RPN takes getting used to
- One-line display
3. HP 10bII+ – Best for business class & value
The HP 10bII+ is the friendlier, cheaper financial calculator, and a favorite in business classes. It covers time value of money, cash flows, NPV, IRR, and depreciation, and unlike most finance calculators it adds full statistics with probability distributions. It uses normal algebraic entry, so there’s no RPN learning curve, and it’s allowed on the SAT and AP exams.
What’s good:
- Easy algebraic entry (no RPN)
- Adds statistics and probability
- Approved on the SAT and AP exams
- Great value
- Light, with a protective case
Worth knowing:
- Not as iconic as the 12C for finance pros
- Plain one-line display
How to choose a financial calculator
- Check your exam. The CFA, for example, only allows the BA II Plus and the HP 12C, so confirm before you buy.
- RPN or algebraic? RPN (the HP 12C) is fast once learned; algebraic entry (BA II Plus, HP 10bII+) feels familiar from day one.
- Statistics. If your course needs stats, the HP 10bII+ includes more than most.
- Keep the manual. Financial calculators have deep worksheet modes that are worth learning.
If you’re studying for the CFA or CFP, get the TI BA II Plus or the HP 12C, since those are the ones allowed. For a business class where you also need statistics, the HP 10bII+ is the friendlier, cheaper pick. Learn its worksheet modes early and it’ll carry you through your degree.
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