Financial calculator includes more than 120 built-in functions & allows 20 different cash flows for internal rate of return & net present values. Calculate loan & mortgage payments, convert interest rates, & figure bond prices & yields. RPN keystrokes optimize data entry & calculation performance. Program up to 99 keystrokes into memory & then execute with the push of a single button. Other functions include depreciation, percent change, cumulative statistical analysis, standard deviation, mean, weighted mean, linear regression, forecasting, correlation coefficient, date arithmetic, undo, backspace keys, & power off memory protection. Calculator has a 1 line x 10 character, liquid crystal display (LCD). The enclosure material is made of plastic & brush aluminum, & the keytops are made of plastic. Calculator includes a battery (CR2032) to power the unit & a synthetic leather pouch.