A Big database for small calculators. Last database update : 04-21-2014 Home Presentation Database How to ... Gallery Links Thanks Updates Changer de langue		Pictures Model Aka Version Intro date End date Type Last update Progr RAM ROM Nb functions Alpha Nb keys Display type Display Graph XY Ext Print Sav Clock             Microprocessor                                     Functions                         Size Weight Batteries Ext power Power Twin Made in Link(s)                                                 Remarks                                                    Sinclair Sinclair Radionics of Cambridge UK Pictures Model Aka Version Intro date End date Type Last update Progr RAM ROM Nb functions Alpha Nb keys Display type Display Graph XY Ext Print Sav Clock             Microprocessor                                     Functions                         Size Weight Batteries Ext power Power Twin Made in Link(s)                                                 Remarks                                                 Executive   1 08/1972 >=1972 4 funct 2010_01_16 N 0   5 N 18 LED 8 1/2 N N N N N TI GLS 1802, 22 Transitors, 50 Res, 17 Cap +/- 138x56x9 71gr 4xbutton           Sinclair's first calculator. Executive   2 08/1972 >=1972 4 funct 2010_01_16 N 0   5 N 18 LED 8 1/2 N N N N N TI GLS 1802, 22 Transitors, 50 Res, 17 Cap K 138x56x9 71gr 4xbutton           Sinclair's first calculator. Executive Memory     11/1973 >=1974 4 funct 2011_05_26 N 1   4+1mem N 18 LED 8 1/2 N N N N N   M 138x56x9   3xbutton           Exixts in (at least 3 versions) black with black or silver keyboard, or white with black keyboard. Cambridge   1 08/1973 >=1974 4 funct 2007_08_14 N 0   5 N 18 LED 8. N N N N N GI (General Instruments) C550 K 112x51x18   4xAAA N         C and K keys. Cambridge   2 1973 >=1974 4 funct 2007_08_14 N 0   4 N 18 LED   N N N N N TI TMS0801NC   112x51x18   4xAAA N         C and CE keys. Cambridge   3 <=1974 >=1974 4 funct 2010_02_02 N 0   5 N 18 LED 8 1/2 N N N N N GIMT5 CZL550 (1974) or CZ550 (1975) K 112x51x18 90gr with batt 4xAAA N     England   C/CE and K keys. Cambridge   4 <=1975 >=1977 4 funct 2007_08_14 N 0   5 N 19 LED 8 1/2 N N N N N GI (General Instruments) G-595 % 112x51x18   2xAAA N         C, CE and % keys. Cambridge Programmable     1974? >=1978 Scient+prog 2007_08_14 Y 1mem+36steps   51 N 19 LED 8 1/2 or 5 1/2 + 2 1/2 N N N N N NS MM5799EHY/N & DS7784N Scient+prog 112x51x25 90g 1x9V Y   Radio Shack EC-4001 Programmable       Scientific     04/1974 >=1975 Scient-- 2008_11_28 N 0   17 N 18 LED 8 1/2 or 5 1/2 + 2 1/2 N N N N N TI TMC0805NC log arclog tan atan sin asin cos acos E Sqrt x^(1/y) x^y 112x51x18 56gr 4xAAA N         RPN. Cambridge Memory   1 1974 >=1974 4 funct 2010_01_16 N 1   4+1mem N 18 LED 8 1/2 ? N N N N N GI (General Instruments) G-595L1 RM/CM 112x51x18   4xAAA N         C/CE and RM/CM keys. Cambridge Memory Cambridge Memory % 2 1975 >=1975 4 funct 2010_01_16 N 1   5+1mem N 19 LED 8 1/2 ? N N N N N GI (General Instruments) G-595 RM/CM % 112x51x18   2xAAA N         C/CE, RM/CM and % keys. Cambridge Memory   3 1976 >=1976 4 funct 2007_08_14 N 1   5+1mem N 19 LED 8. N N N N N Mostek MK50321 or MK50321N % M 112x51x25 44gr 1x9V N         M, C/CE and % keys. Oxford 100   LED 03/1975 >=1975 4 funct 2011_05_27 N 0   5 N 19 LED 8. N N N N N   K 156x74x32 120gr 1x9V Y   Gillette GPA England     Oxford 100   VFD <=1975 >=1975 4 funct 2007_08_14 N 0   5 N 19 VFD   N N N N N   K 156x74x32   1x9V             Oxford 150     ~1975   4 funct 2007_08_14 N 0   6 N 19 LED 8 1/2 N N N N N   % SQRT 156x74x32 108gr 1x9V Y   Radionics Products Ltd Radionic       Oxford 200   LED <=1974 >=1975 4 funct 2007_08_14 N 1   5+5mem N 19 LED 8 1/2 N N N N N   % MC MEx M- MR M+ 156x74x32 124gr 1x9V Y           Oxford 200   VFD >=1975 >=1977 4 funct 2010_10_31 N 1   5+5mem N 19 VFD 8 1/2 N N N N N   % MC MEx M- MR M+ 156x74x32 132gr 1x9V Y     England     Oxford 300   LED 1975 >=1975 Scient 2010_01_16 N 1   17+5mem N 19 LED   N N N N N   EE ChN sin cos tan asin acos atan Sqrt ln e^x Pi 1/x MC MEx M- MR M+ 156x74x32   1x9V Y           Oxford 300   VFD >=1975 >=1975 Scient 2010_01_16 N 1   17+5mem N 19 VFD 8 1/2 or 5 1/2 + 2 1/2 N N N N N   EE ChN sin cos tan asin acos atan Sqrt ln e^x Pi 1/x MC MEx M- MR M+ 156x74x32 138gr 1x9V Y           Scientific Programmable     08/1975 >=1975 Scient+prog 2010_01_16 Y 1+24steps   19+3mem N 19 VFD 5+2 N N N N N   B/E exec sin cos atan 1/x Sqrt antilog log x^2 -x enter ./EE/- '' var sto x<>m rcl 155x73x34   1x9V Y           Oxford Scientific     1976 >=1977 Scient 2007_08_14 N 1   23+2mem N 19 VFD 8 1/2 or 5 1/2 + 2 1/2 N N N N N   +/- y^x EEx sin cos tan asin acos atan 1/x x^2 Sqrt ln log e^x Pi [( )] ChN sto rcl 156x74x32 124gr 1x9V Y           Oxford Universal     c1975/76   4 funct 2008_10_31 N 1   8+6mem N 19 VFD 8 N N N N N   % 1/x x^2 Sqrt CM sto MEx M- MR M+ 155x73x34   1x9V Y           Sovereign     1976 >=1977 4 funct 2007_08_14 N 1   8+5mem N 21 LED 8. N N N N N Mostek MK50321N % Sqrt x^2 1/x MR MEx M- M+ MC 141x36x12   2xbutton cell N         Exists in 3 colors variations (Chrom, black and gold plated). Cambridge Scientific     1976 >=1977 Scient 2007_08_14 N 1   17+5mem N 19 LED 8 1/2 ? N N N N N GI (General Instruments) CF596 EE ChN sin cos tan asin acos atan Sqrt ln e^x 1/x Pi MC MEx M- MR M+ 112x51x18   2xAAA N           Cambridge Universal     1977 >=1977 4 funct 2007_08_14 N 1   8+5mem N 19 LED 8. N N N N N Mostek MK50321A or MK50321N % Sqrt 1/x x^2 CM Mx M- MR M+ 112x51x25 46gr 1x9V N           Wrist Calculator   1 02/1977 >=1978 4 funct 2007_08_14 N 1   8+6mem N 10 LED 8. N N N N N Mostek MK50321N % Sqrt 1/x x^2 mc m mx mr m+ m- 39x74x18   6x N         Was only sold in kit. Wrist Calculator   2 03/1978 >=1978 4 funct 2010_02_10 N 1   13+5mem N 10 LED 8. N N N N N GI (General Instruments) C689D % Sqrt 1/x x^2 +/- () PI cm>in in>cm 5mem 39x74x18 19gr avec bracelet Y N     England   Was only sold in kit. enterprise     10/1977 >=1978 4 funct 2010_01_16 N 1   6+5mem N 24 LED 8. N N N N N GI (General Instruments) C689D Sqrt % MC MEx MR M- M+ 135x65x23   1x9V Y           President     02/1978 >=1978 4 funct 2010_01_16 N 1   13+6mem N 33 VFD 8 1/2 N N N N N   % PI x<>y 1/x x^2 Sqrt ( ) +/- MC MEx MS M- MR M+ 88x156x28   2xAA Y           President Scientific     >=1978 >=1978 Scient 2010_01_16 N 1   24+5mem N 40 VFD 8 1/2 N N N N N   sin cos tan asin acos atan ln e^x log 10^x EE x^2 Sqrt 1/x y^x +/- Pi [( )] ChN MR MEx M+ M- MC 88x156x28   2xAA             Enterprise Programmable     07/1978 >=1978 Scient+prog 2010_01_16 Y 7mem+79steps   30+3mem N 24 LED 8 1/2 N N N N N NS MM57146N MM57126N Scient+prog 135x65x23 110gr with batt 1x9V Y           The Sporting Life SETTLER     1978 >=1978 4 funct+betting 2010_01_16 N >=1   27? N 40 VFD 8 1/2 N N N N N NS DS8881N & MM5799NBX/N Betting functions 88x156x28   2xAA           "For betting calculations. ""The Sporting Life"" is a British weekly sports newpaper."

Copyright : all the pictures are my property. You can copy and save them but strictly for your own purpose. You are not authorized to modify, diffuse or use them (even partially) for another internet site, or for all other puplic diffusion. You are authorized to create links to MyCalcDB site, but I cannot garantee their reliability in the time. What I can garantee (exept errors) is only the database calculator's id number (for example: id=777 for the HP-55).