The CFA financial calculator policy requires the use of HP or Texas Instruments calculators that are accurate, have a four-function capability, cannot correct entries and cannot store data. The following models are approved for use on all levels of the Exam: BA II Plus Professional BA II Business Analyst HP 10b ii+ HP 12c Platinum HP 17b II+ HP 20b Elite HP 30b HP 12c Platinum Financial Calculator (Finance and Mortgage Pack), FICO 82212 Texas Instruments TI-30XS MultiView Calculator (or XB battery), Texas Instruments BAII Plus Professional (no backspace or correction)