EC-4035 (650-0983) Features Faxback Doc. 8535 Your new Radio Shack EC-4035 Engineering Scientific Calculator is one of the most complete and compact calculators available! Your calculator answers problems in anything from basic math to trigonometry, statistics and complex numbers. It can judge which arithmetic operation must be performed first and lets you use up to 18 parentheses at six levels. The calculator saves you time by converting from one unit to another (fraction to decimals, minutes and seconds to degrees to radians or grads, hexadecimals to decimals, by automatically turning itself off if you don't use it for 6 minutes. Your calculator's seven memory registers hold information for later use- even after you turn it off. We want your EC-4035 to become your problem-solving right hand! Following the examples in the manual is the first step toward that goal. (RLR-10/28/93)