EC-358 Personal Data Directory/Clock/Scheduler (650-0867) Specifications Faxback Doc. # 18502 Display......................................................Liquid Crystal (Two Lines) Calculations.................................................Add, Subtract, Multiply, Divide, Memory Add, Memory Subtract, Memory Recall, and Percentage Power Source.................................................Two 3V Lithium Batteries, Cat. No. 23-160 Battery Life..............................................About 6,300 Hours Automatic Power-Off.........................................About 7 Minutes Working Temperature.........................32 degrees F to 139.2 degrees F Dimensions......................................4 1/4 x 2 3/4 x 7/16 Inches Weight (with batteries).............................................2.25 oz (JC 11/10/95)