Unofficial Disclaimer

Unofficial practice tool. Not affiliated with or endorsed by Texas Instruments or CFA Institute. BA II Plus is a trademark of Texas Instruments. Not permitted in proctored exams.

Not affiliated

Keysheet is an independent, unofficial study aid. It is not produced by, endorsed by, or affiliated with Texas Instruments Incorporated, CFA Institute, or any other calculator manufacturer or exam organizer.

Trademarks

“BA II Plus”, “BA II PLUS”, “TI” and the Texas Instruments logo are trademarks of Texas Instruments Incorporated. “CFA” and “Chartered Financial Analyst” are trademarks of CFA Institute. FRM is a registered trademark of the Global Association of Risk Professionals. All other marks belong to their respective owners. Keysheet’s keyboard and interface are an original design and do not imitate the trade dress of any hardware product.

Exams

Closed-book and proctored exams (CFA, FRM, CFP and similar) only permit the physical calculators listed in each exam organizer’s current candidate policies. This website cannot be used in an exam room. Exam policies change — always verify with the current official candidate handbook before your exam date.

Accuracy

The calculation engine is unit-tested against independently verified reference values, but this site is provided “as is”, without warranty of any kind, as study support. It is not investment, legal, or professional advice, and nothing here is legal advice.