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A Big database for small calculators.

Last database update :
04-21-2014


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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                                                



   RFT

East German company : VEB Röhrenwerk Mühlhausen in Kombinat VEB Mikroelektronik Erfurt
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                                                
minirex 73  <=1973>=19734 funct2007_10_12N0 5N18LED8NNNNNAMI S2144 139x81x34 4xsealedY    Uses some kind of docking bay (170x130x55) to recharge the batteries.
minirex 74  <=1974>=19744 funct2007_10_12N0 5N18LED8NNNNNU820D139x81x34 4xsealedY    Uses some kind of docking bay (170x130x55) to recharge the batteries.
minirex 75 1<=1975>=19754 funct2007_10_12N0 4N17LED8 1/2NNNNNTI TMS0105NC 139x81x34 4xsealedY    Uses some kind of docking bay (170x130x55) to recharge the batteries.
minirex 75 2<=1975>=19754 funct2007_10_12N0 5N18LED8 1/2NNNNNTI TMS0105NCD139x81x34 4xsealedY    Uses some kind of docking bay (170x130x55) to recharge the batteries.
MR201  <=1974?>=1980?4 funct2010_03_23N0 4N17LED8 1/2NNNNNU821D 150x76x21174gr4xsealed batY  GDR (DDR)  
Konkret 100  1975 4 funct2007_06_09N0 4N17LED8 1/2NNNNN  165x86x40 4xAA      
Konkret 200  197x 4 funct2007_06_09N0 4N17LED NNNNN  165x86x40        
Konkret 400  <=1975197x4 funct2007_06_09N0 6N20LED8 1/2NNNNN 1/x Sqrt165x86x40310gr4xsealed batY     
Konkret 600  ~1975 Scient2007_10_03N1 21+2memN20LED8 1/2 or 7 1/2 + 2 1/2NNNNN n +/- e^x x^y sin cos tan asin acos atan Sqrt lg 1/x ln x<>y x->m m->x165x86x40 4xY Elektronika B3-19M  RPN
MR410  198x 4 funct2007_06_09N1 11+4memN28LCD8+indicNNNNN Pi x^2 Sqrt 1/x y^x % +/- M+ M- MR MC         
MR411  198x 4 funct+time2007_06_09N1 7+4mem+6timeN31LCD8+indicNNNNY Sqrt % +/- MC MR M- M+ ST/SP DT TM DY TM_CALL LA_RE     RFT MR413  Exists with or without 'time CALCULATOR' label.
MR412  198x 4 funct2010_02_10N1 12+3memN28LCD8+indicNNNNN % Sqrt x^2 y^x 1/x EEX Pi +/- MR x-M M+  YN  GDR (DDR)  
MR413time CALCULATOR 198x 4 funct+time2010_02_10N1 7+4mem+6timeN31LCD8+indicNNNNY Sqrt % +/- MC MR M- M+ ST/SP DT TM DY TM_CALL LA_RE  YN RFT MR411GDR (DDR)  
MR420MR 420 198x-199x 4 funct2011_07_10N1 7+4memN27LCD8+indicNNNNN +/- Sqrt % M+ M- MR MC  3VN     
MR510     2007_06_09        N               
MR511  198x 4 funct+time2007_06_09N1  N26YLCD8+indicNNNNY  62x95x6 2xbutton cellN     
MR513  198x 4 funct+time2007_06_09N1 7+4mem+7timeN26LCD8+indicNNNNY Sqrt % +/- MC MR M- M+ TC TM DY DT SEC ST/SP LA_RE62x95x6 YN     
MR609  198x Scient2007_06_09N1 22+3memN34LCD8+indicNNNNN sin asin cos acos tan atan ln e^x lg 10^x % Sqrt x^2 y^x 1/x EEX Pi +/- MR x-M M+  2xbutton cellN RFT SR1   
MR610 11980198xScient+stat2009_06_30N1 42+5memN40YLCD8+2+indicNNNNN Scient+stat142x70x870gr2x1.5VcellN    Black case.
MR610 2~1980198xScient+stat2009_06_30N1 42+5memN40LCD8+2+indicNNNNN Scient+stat142x70x870gr2x1.5VcellN    White case.
MR4110MR 4110 198x 4 funct+time2010_02_10N1 7+4mem+7timeN26LCD8+indicNNNNY Sqrt +/- % MC MR M- M+ TC TM DY DT SEC ST/SP LA_RE  YN  GDR (DDR) Exists in 2 colors variations.
MR4130  198x 4 funct+time2007_06_09N1 7+4mem+7timeN26LCD8+indicNNNNY Sqrt % +/- MC MR M- M+ TC TM DY DT SEC ST/SP LA_RE         
MR6090  198x-199x Scient2007_06_09N1 25+3memN37LCD NNNNN EEX Pi % MDS sin asin lg 10^x 1/x DMS cos acos ln e^x y^x DEG tan atan x^2 Sqrt +/- MR x-M M+80x117x10        
LC80  ~1984 Learncomputer2007_06_09Y   N25LED6.NYNNN    NY    Programmation learning kit.
SR1SCHULRECHNER 198x Scient2010_02_10N1 22+3memN34LCD8+indicNNNNN sin asin cos acos tan atan ln e^x lg 10^x % Sqrt x^2 y^x 1/x EEX Pi +/- MR x-M M+132x70x870gr2x1.5VcellN RFT MR609GDR (DDR)  



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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).