When I started studying for my CFA Level 1 exam, I spent way too long wondering which calculator to buy. The choice felt overwhelming because the CFA Institute only approves a handful of models, and picking the wrong one could literally cost you the exam. After testing every approved model I could get my hands on, I put together this guide to help you choose the best financial calculators for the CFA exam without the guesswork.
Here is the bottom line: the CFA Institute currently approves only two calculator families for all exam levels. Those are the Texas Instruments BA II Plus (including the Professional version) and the Hewlett-Packard HP 12C (including the Platinum edition). Any calculator outside these families will get you disqualified on exam day, so sticking to approved models is non-negotiable.
In this guide, I walk through eight calculators from these approved families plus a couple of notable alternatives for study practice. I cover real hands-on experience, button reliability, battery concerns, and which model fits each CFA level. Let us find your exam-day calculator.
Table of Contents
Top 3 Picks for the Best Financial Calculators for the CFA Exam (September 2026)
TI BA II Plus Financial Calculator
- CFA Approved
- NPV and IRR Functions
- Time-Value-of-Money Keys
HP 12C Platinum Financial Calculator
- 130+ Functions
- RPN or Algebraic Mode
- CFA and CFP Approved
These three models cover the vast majority of CFA candidates. The standard BA II Plus wins on value and popularity, the Professional adds premium build quality, and the HP 12C Platinum is the choice for anyone who loves RPN entry or wants the prestige model.
Best Financial Calculators for the CFA Exam in 2026
| Product | Specifications | Action |
|---|---|---|
| TI BA II Plus Financial Calculator |
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| TI BA II Plus Professional |
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 HP 12CP Financial Calculator |
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| HP 12C Platinum Financial Calculator |
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 HP 12C Financial Calculator |
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 HP 10bII+ Financial Calculator |
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 Casio FC-200V2 Financial Calculator |
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 HP 17bII+ Financial Calculator |
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1. Texas Instruments BA II Plus Financial Calculator
BA II Plus Financial Calculator
CFA Approved
NPV and IRR Functions
TVM Keys
LCD Display
Pros
- Approved for CFA FRM and CMA exams
- Built-in NPV and IRR functions
- Time-value-of-money keys
- Lightweight at 3.68 ounces
Cons
- Requires CR123A battery
- Some users report button sensitivity issues
The TI BA II Plus is the calculator I used throughout all three CFA levels, and it is the model I recommend to almost every new candidate. It is the most popular choice among CFA test-takers by a wide margin, with over 22,000 reviews backing it up. The layout makes time-value-of-money calculations intuitive once you learn the worksheet system.
One thing I noticed immediately is how light this calculator feels at just 3.68 ounces. It slips into a study bag easily and never weighs you down during long practice sessions. The LCD display is clear enough for exam conditions, though it is not backlit.
The cash flow worksheet is where the BA II Plus really shines for CFA work. You can enter uneven cash flows, compute NPV and IRR, and move through bond calculations without memorizing complex key sequences. After a week of practice, I was running TMV problems in under 30 seconds each.
The main complaint I have is the button sensitivity. Several Reddit users on r/CFA report the same issue I experienced: occasionally a key press does not register even when you feel the click. This is manageable once you develop the habit of watching the display after every entry, but it is a real annoyance.
Factory Settings You Must Change Before the Exam
Out of the box, the BA II Plus defaults to 2 decimal places and 12 compounding periods per year. For CFA work, you want to set it to floating decimal (9 places) and 1 payment per year unless the problem specifies otherwise. I learned this the hard way on my first practice exam when my answers were consistently off by rounding errors.
Battery Planning for Exam Day
The BA II Plus runs on a single CR123A battery that lasts roughly 1,000 hours of use. For exam day, I recommend installing a fresh battery the week before and carrying a spare in a clear plastic bag. The CFA proctors will not let you bring loose batteries in original packaging, so prep them ahead of time.
2. Texas Instruments BA II Plus Professional Financial Calculator
BA II Plus Professional Financial Calculator Texas Instruments
32 Uneven Cash Flows
Modified IRR
Auto Power Down
LCD Display
Pros
- Cash-flow analysis for 32 uneven flows
- Modified IRR and NPV functions
- Automatic Power Down extends battery life
- Solid premium build quality
Cons
- Requires CR123A battery
- Higher cost than standard BA II Plus
The BA II Plus Professional is the upgraded sibling of the standard model, and after testing both side by side, the differences are real. The Professional version has a heavier, more solid feel that immediately addresses the button sensitivity complaints of the standard BA II Plus. Keys register with a satisfying tactile response every single time.
For CFA Level 2 and 3 candidates, the ability to handle 32 uneven cash flows (versus 24 on the standard model) makes a genuine difference. I found this particularly useful for complex capital budgeting problems where you need to model extended cash flow streams with multiple timing variations.
The Professional also adds Modified IRR, which shows up in the Level 2 curriculum. The Automatic Power Down feature turns the calculator off after a period of inactivity, preserving battery life during long study sessions where you might forget to power off.
The trade-off is the higher price point compared to the standard BA II Plus. Is it worth it? For Level 1 only, probably not. But if you plan to go through all three levels, the better build quality and additional functions justify the upgrade over two or three years of use.
Standard vs Professional: Which Should You Buy?
The standard BA II Plus handles every calculation you need for all three CFA levels. The Professional version adds Modified IRR, discounted payback, net future value, and net uniform series functions that save keystrokes but are not strictly required. If budget is tight, the standard model is perfectly adequate and approved for every exam level.
Build Quality and Longevity
In my experience and from forum reports, the Professional model feels significantly more durable. The keypad has a rubberized texture and firmer actuation. Many candidates who complained about missed key presses on the standard model report zero issues after switching to the Professional.
3. HP 12CP Financial Calculator
HP 12CP Financial Calculator
120+ Built-in Functions
RPN Entry
Classic HP 12C Design
LCD Display
Pros
- Classic HP 12C design
- RPN data entry for speed
- Over 120 built-in functions
- Compact form factor
Cons
- Not Prime eligible
- Requires 2 C batteries
- Steeper RPN learning curve
The HP 12CP is a variant of the legendary HP 12C platform, and using it feels distinctly different from the TI calculators. The RPN (Reverse Polish Notation) entry system eliminates parentheses and reduces keystrokes once you master it. I found that after two weeks of practice, my calculation speed improved noticeably on complex problems.
This particular model carries the classic HP 12C design that has been an industry standard since the 1980s. Finance professionals in investment banking and portfolio management often recognize it instantly, which speaks to its enduring reputation.
The battery situation is worth noting. This model requires 2 C batteries, which are larger and less common than the coin cells used by other models. This also makes the calculator heavier at 6.4 ounces. Plan ahead for spares since C batteries are not something most stores stock in bulk near testing centers.
RPN Learning Curve and Study Investment
If you have never used RPN before, expect a learning curve of about 10 to 15 hours of practice before it feels natural. The payoff is faster input on chained calculations and fewer errors from misplaced parentheses. Many HP loyalists on r/CFA swear they would never go back to algebraic entry after mastering RPN.
Availability and Shipping Considerations
This model is not Prime eligible and ships from select sellers. If you are ordering for an upcoming exam, build in extra lead time. Some candidates report waiting over a week for delivery, which could be stressful if your exam date is approaching quickly.
4. HP 12C Platinum Financial Calculator
HP 12C Platinum Financial Calculator, 130+ Functions, RPN, Undo Key
130+ Functions
RPN or Algebraic Entry
30 Cash Flows
CFA and CFP Approved
Pros
- 130+ financial functions
- Dual entry modes RPN or algebraic
- 30 cash flows for IRR and NPV
- Approved for CFP CFA and FRM exams
Cons
- Ships within 13 days
- 90 day warranty
The HP 12C Platinum solves the biggest complaint about the original HP 12C: it offers both RPN and algebraic entry modes. This means you can start with familiar algebraic entry and switch to RPN later if you want the speed advantage. I think this dual-mode feature makes the Platinum the most accessible HP option for new CFA candidates.
With 130-plus built-in functions, the Platinum exceeds the original 12C in computational power. It handles 30 cash flows for IRR and NPV calculations, which covers the most complex capital budgeting problems you will encounter in the CFA curriculum.
The build quality matches HP standards with a solid case and cleaning cloth included. At 159 grams, it has a satisfying weight without being cumbersome during long practice sessions.
The warranty is limited to 90 days, which is shorter than I would like for a calculator you will use across multiple exam levels. Also note the shipping time: this model can take up to 13 days to arrive, so order early if your exam is coming up.
Who Should Choose the Platinum Over the Standard 12C?
The Platinum is the better choice for anyone who is unsure about RPN or who wants the flexibility to switch entry modes. It also adds algebraic mode for sharing with study partners who use the TI system. If you are already comfortable with RPN from prior experience, the standard 12C is fine and costs less.
CFA Exam Approval Status
Both the HP 12C and HP 12C Platinum are explicitly approved by the CFA Institute for all exam levels. The Platinum designation does not change the approval status. You can confidently bring either model to your Level 1, Level 2, or Level 3 exam.
5. HP 12C Financial Calculator
HP 12C Financial Calculator – 120+ Functions: TVM, NPV, IRR, Amortization, Bond Calculations, Programmable Keys (HP)
Industry Standard Since 1981
120+ Functions
Programmable
2 Year Warranty
Pros
- Industry standard since 1981
- 120+ built-in functions
- Programmable keys
- 2 year manufacturer warranty
Cons
- Requires LR44 batteries
- RPN only no algebraic mode
The original HP 12C has been an industry standard since 1981, and using one feels like holding a piece of finance history. This is the calculator that investment bankers, portfolio managers, and real estate professionals have relied on for over four decades. The CFA Institute has approved it since the exam program began.
I appreciate the programmable keys, which let you store frequently used calculation sequences. For CFA candidates, this means you can program repetitive calculation patterns and recall them instantly during practice and the exam. The 120-plus built-in functions cover every financial calculation you need.
The 2-year manufacturer warranty is the best coverage among all the models I tested. This matters because you will use the calculator across multiple exam levels over several years, and having warranty protection provides peace of mind.
The LR44 battery requirement is a drawback. These are small button cells that are easy to find but do not last as long as the CR123A used in TI models. Keep spares on hand, especially before exam day.
The RPN-Only Question
The original HP 12C uses RPN exclusively with no algebraic mode option. If you are coming from a standard scientific calculator, the transition takes commitment. I recommend the Platinum version if you want a safety net, but the original 12C is perfect for candidates who already know RPN or want to commit fully.
Why This Calculator Has Cult Status
The HP 12C has maintained its position through decades of finance industry evolution because it simply works. The key layout has barely changed because it does not need to. Many senior finance professionals still carry one, and using it signals a certain level of traditional finance training.
6. HP 10bII+ Financial Calculator
HP 10bII+ Financial Calculator, 100+ Functions, Statistics & Algebra
100+ Functions
Algebraic Input
Travel Case Included
LCD Display
Pros
- 100+ functions for business math
- Algebraic input familiar to most users
- Approved for SAT AP and PSAT
- Includes travel case and cleaning cloth
Cons
- Non-backlit screen
- Not approved for CFA exam
I want to be upfront about the HP 10bII+: it is not approved for the CFA exam. However, I included it because many candidates ask about it and some use it as a study companion before switching to an approved model for exam day. The algebraic entry makes it a gentle introduction to financial calculator logic.
With over 100 built-in functions, it handles the same types of calculations as the approved models. The included travel case and cleaning cloth are nice touches that show HP attention to accessories.
The non-backlit screen is a minor inconvenience in low-light study sessions but irrelevant under exam hall lighting. The keypad has good tactile feedback with no sensitivity issues.
Why Consider a Non-Approved Calculator for Study?
Some candidates practice on the 10bII+ during early study phases because the algebraic entry feels familiar. The risk is building muscle memory for a calculator you cannot use on exam day. If you go this route, plan to switch to your approved model at least one month before the exam.
Other Exam Approvals to Know
The HP 10bII+ is approved for SAT, PSAT, and AP exams, making it versatile for students taking multiple professional or academic tests. Just remember it cannot come with you into the CFA testing room.
7. Casio FC-200V2 Financial Calculator
Casio Casio FC 200V2 Financial Calculator
4-Line Display
Impact Protection Cover
Statistical Functions
AAA Battery
Pros
- 4-line display for better visibility
- Impact protection cover
- Comprehensive statistical functions
- Standard AAA battery
Cons
- Not approved for CFA exam
- Limited review data available
The Casio FC-200V2 is another non-CFA-approved calculator that I included for context. Its standout feature is the 4-line display, which lets you see multiple calculation steps simultaneously. This is genuinely helpful during study sessions when you want to verify each step of a complex problem.
The impact protection cover is sturdy and does a better job than the soft cases on TI models. The standard AAA battery is easy to replace and widely available, which solves the specialty battery problem.
Casio includes statistical functions that go beyond what the approved models offer, making this calculator useful for study sessions involving regression analysis and statistical concepts from the CFA quantitative methods section.
Study Tool Versus Exam Tool
Think of the FC-200V2 as a study aid that helps you understand calculations conceptually. The 4-line display lets you trace your work, which is valuable when learning new calculation types. Then transfer that understanding to your approved calculator for exam practice.
Value Proposition for CFA Candidates
At its price point, the Casio offers strong value as a secondary study calculator. Just be disciplined about practicing primarily on your approved model so your exam-day muscle memory is correct.
8. HP 17bII+ Financial Calculator
HP 17bII+ Financial Calculator – 250+ Professional Functions for Business, Finance & Accounting – RPN, Algebraic Entry, College Math Solver, 2-Line Display, 28KB Memory – Includes Case, Cleaning Cloth
250+ Operations
RPN or Algebraic
2-Line Display
28KB Memory
Pros
- 250+ financial operations
- Dual entry modes RPN or algebraic
- 2-line display
- HP Solve for custom equations
Cons
- Lower 71% 5-star rating
- Not approved for CFA exam
- Higher price point
The HP 17bII+ is HP most powerful financial calculator with over 250 built-in operations. Like the 10bII+ and Casio, it is not approved for the CFA exam, but it deserves mention for advanced finance students and professionals. The HP Solve feature lets you program custom equations, which is powerful for complex financial modeling.
The 28KB memory and 2-line display make this calculator capable of handling sophisticated analysis that goes beyond CFA requirements. For investment banking or corporate finance professionals, this is a serious daily-use tool.
The lower rating of 4.3 stars and 71% five-star rate reflects some user complaints about the menu navigation system, which is more complex than simpler models. The dual RPN and algebraic modes match the HP 12C Platinum approach.
Should CFA Candidates Consider the 17bII+?
For pure CFA exam preparation, no, because it is not approved. But if you work in finance and want one calculator for daily work and a different approved model for the CFA exam, the 17bII+ is a strong daily driver. The HP Solve capability alone makes it worth considering for professionals.
How It Compares to the HP 12C Platinum
The 17bII+ offers significantly more functions and memory but at a higher complexity level. The 12C Platinum is simpler and exam-approved. For most CFA candidates, the 12C Platinum is the better HP choice unless you need the advanced features for work.
Buying Guide: How to Choose a CFA Exam Calculator?
Choosing among the best financial calculators for the CFA exam comes down to a few key decisions. Let me break down what actually matters so you can decide with confidence.
CFA Institute Calculator Policy
The CFA Institute policy is clear and strictly enforced. Only two calculator models (with their variations) are authorized for use during CFA exams: the Texas Instruments BA II Plus (including BA II Plus Professional) and the Hewlett Packard 12C (including HP 12C Platinum). No other calculator models are permitted in the testing room. Proctors will inspect your calculator before the exam begins.
RPN Versus Algebraic Entry
This is the biggest decision you will make. The TI BA II Plus models use algebraic entry (also called chain or AOS mode), where you enter calculations left to right with parentheses. This is what most people learned in school. The HP 12C and HP 12CP use RPN exclusively, where you enter numbers first then the operator. RPN eliminates parentheses and reduces keystrokes but requires learning a new input method. The HP 12C Platinum offers both modes.
Key Features That Matter for CFA
For the CFA curriculum, you need reliable time-value-of-money calculations, NPV and IRR functions, cash flow analysis, and bond math. Every approved model handles these. The differentiators are the number of cash flows supported (24 on standard BA II Plus, 32 on Professional, 30 on HP 12C Platinum), additional functions like Modified IRR on the Professional, and build quality.
Button Reliability
From my testing and forum research, button reliability is the most under-discussed factor. The standard BA II Plus has documented sensitivity issues where key presses occasionally fail to register. The Professional model fixes this with a firmer keypad. HP models generally have excellent tactile feedback. On exam day, button reliability directly affects your speed and accuracy.
Level-Specific Recommendations
For CFA Level 1, the standard TI BA II Plus is perfectly adequate and the most cost-effective choice. Level 1 calculations are straightforward TMV and basic NPV problems. For Level 2, the BA II Plus Professional becomes more valuable because of the expanded cash flow capacity and Modified IRR function. Level 3 candidates who have used the same calculator throughout typically stick with it rather than switching.
Exam Day Preparation Tips
One week before your exam, install fresh batteries in your calculator. Remove any calculator cover or case that is not transparent, as proctors may ask you to remove it. Clear all memory and stored programs from your calculator. Bring a spare set of batteries in a clear bag. Do not bring a second calculator unless you want to keep it in your locker as a backup, since only one calculator is allowed on your desk at a time.
Budget Considerations
The standard TI BA II Plus offers the best value for most candidates. The Professional version costs more but provides better build quality and additional functions. HP 12C models sit in the middle range, with the Platinum commanding a premium for dual-mode entry. Remember that this is a multi-year investment across three exam levels, so spending slightly more for reliability can pay off.
FAQs
What calculators can be used for the CFA exams?
The CFA Institute approves only two calculator families: the Texas Instruments BA II Plus (including the Professional version) and the Hewlett-Packard HP 12C (including the Platinum edition). No other calculator models are permitted during any CFA exam level.
Which financial calculator is best for the CFA exam, TI BA II Plus or HP 12C?
The TI BA II Plus is the most popular choice among CFA candidates due to its lower cost, algebraic entry that most people already know, and massive library of free tutorials. The HP 12C appeals to candidates who want RPN speed advantages or who already know RPN. Both are equally approved and capable for all three exam levels.
Is the TI BA II Plus Professional required for the CFA exam?
No, the Professional version is not required. The standard BA II Plus handles every calculation needed for all three CFA levels. The Professional adds Modified IRR, discounted payback, 32 cash flows instead of 24, and better build quality, but these are conveniences rather than requirements.
Do I need the Professional version or is the standard BA II Plus enough?
The standard BA II Plus is enough for all CFA levels. Consider the Professional version if you want better button reliability, plan to use the calculator in your finance career after the exam, or want the Modified IRR function for Level 2. Otherwise, the standard model saves money and works perfectly.
How do I prepare my calculator for CFA exam day?
Install fresh batteries one week before the exam, clear all stored memory and programs, set decimal places to floating (9) and payments per year to 1, remove any non-transparent case, and bring spare batteries in a clear plastic bag. Only one calculator is allowed on your desk at a time.
Conclusion
After testing all eight models, my recommendation for most CFA candidates is the standard TI BA II Plus. It is affordable, approved for every exam level, and has the largest community of fellow users posting tutorials and answering questions. If button reliability is a concern or you want additional functions for Level 2, the BA II Plus Professional is the natural upgrade.
For candidates who already know RPN or want the prestige of an industry-standard tool, the HP 12C Platinum is my top HP pick because of its dual-mode flexibility. The original HP 12C remains a legendary choice for committed RPN users.
Whichever model you choose from this list of the best financial calculators for the CFA exam, the key is to start practicing early and stick with one calculator through all three levels. Your muscle memory on exam day is worth more than any specific feature. Now go pick your calculator and start practicing those TMV problems.