How many decimal places should I display on the BA II Plus for CFA exam work?

Use enough decimal places that you can see whether the number is behaving sensibly. A zero-decimal display is usually too coarse for CFA calculations because it can hide rate, present value, yield, and statistic differences.

Many candidates prefer several decimals while working, then round the final answer to match the stem and choices. The exact display preference is less important than the discipline: do not let a rounded screen value become a rounded intermediate input unless the problem explicitly calls for it.

If answer choices are close, increase visible precision and recompute the setup.