A Big database for small calculators. Last database update : 04-21-2014 Home Presentation Database How to ... Gallery Links Thanks Updates Changer de langue		Commodore  SR4148R  aka SR-4148R   (5 pictures)   Exist with oblong or rounded corners square keys.   Introduction date <=1974 End date >=1977 Type Scientific Last update date 2011_02_28 Programmable N RAM size 2 ROM size Number of functions 30+7mem Alpha capabilities N Number of keys 48 Display type LED Number of digits on display 10 1/2+2 1/2 Graphical (X x Y) N Extention(s) N Printer N Saving N Date or clock capabilities N Microprocessor Commodore G-04 or GHU-03A + GHU-01A ESR-T + 2x ITT546A-5N Functions list EE EEv EE^ ( ) Sqrt x^2 y^(1/x) 10^x log e^x ln y^x d-r sin cos tan asin acos atan 1/x ->P ->R x<>y +/- Pi STO1 RCL1 Sum1 STO2 RCL2 Meanx-sigma xn Size (length x width x thickness) 152x81x30 Weight 158gr Batteries 3xAA sealed External power 6VDC Power consumption 400mA Twin Made in England, USA Link(s) Page displayed once since 2023-09-25.

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