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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                                                


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                                                
RoyalRoyal Litton1<=1972>=19734 funct2007_06_09N0 5N18VFD8.NNNNNGI (General Instruments) 251FK150x90x35334gr with bat6xAA sealed7V2-9VDC200mA    
RoyalRoyal Litton2<=1973>=19734 funct2007_06_09N0 6N20VFD NNNNN Sqrt %  4xAA      
Digital IIIRoyal Litton 1972>=19724 funct2011_05_23N0 6N19VFD4NNNNN <-> K165x81x39 6xAA sealed7.2VDC1.8W   Rather particular model which does not have a real keyboard (with keys), but the electrical contact is done through a wired pen.
Digital IVRoyal Litton 01/1972>=19724 funct2011_05_27N0 5N18LED8.NNNNNGeneral Instruments GI 251K165x81x39 6xAA sealed7.2VDC1.8W   Rather particular model which does not have a real keyboard (with keys), but the electrical contact is done through a wired pen.
Digital V  1972>=19734 funct2007_06_09N0 5N18LED8.NNNNNGeneral Instrument 251F or C-500K150x88x36 6xAA sealedY     
Digital 5  1972>=19724 funct2007_06_09N0 5N VFD8.NNNNNGeneral Instrument 251FK150x88x35 4xAA sealedY     
Digital 5-M  1972>=19734 funct2007_06_09N1 5+2memN20VFD8NNNNN % CM RM150x88x35 4xAAY     
Digital 5-TRoyal Litton Digital 5-T <=1973>=19734 funct2007_06_09N0 5N18VFD8.NNNNNGI (General Instruments) C-570K150x88x35184gr4xAAY     
Digital VIII-KUA785 c1974 4 funct2007_06_09N0  N VFD NNNNN  159x90x 4xAA      
Digital 88M  197x 4 funct2008_10_13N1 5+4memN22VFD8NNNNN % CM M- M+ RM152x90x 4xAA      
8MK-ADEC30 197x 4 funct2007_06_09N1  N VFD NNNNN % Sqrt +/-216x140x 4xC      
12HTUA221 197x Scient2007_06_09N1 ScientN VFD NNNNN Scient152x76x 4xAA      
Five GT  <=1974>=19744 funct2007_06_09N1 5+4memN22VFD8 1/2NNNNNWestern Digital LC1552% CM M- M+ RM156x92x39 4xAA      
Mini FiveRoyal Litton Mini Five <=1974>=19744 funct2007_06_09N0 5N18VFD8.NNNNNGI (General Instruments) C-556K157x87x37194gr4xAAY     
RC 82KRoyal Litton RC 82K 197x 4 funct2007_06_09N0 5N18  NNNNN K         
RC 83Royal Litton RC 83 <=1974>=19744 funct2007_06_09N0 5N18VFD8NNNNN K  4xAA      
galerie/Royal/ROYAL.Litton.RC_85MKRC 85MKRoyal Litton RC 85MK <=1974>=19744 funct2013_04_17N1 5+2memN20VFD8 + indicNNNNNRockwell A4130PA% CM RM150x90x36 4xAA6VDC0.5W    
RC 86MRoyal Litton RC 86M <=1974>=19744 funct2011_07_31N1 5+4memN22VFD8NNNNN % CM M- M+ RM  4xAA6VDC0.5W    
RC-87Royal Litton RC-87 <=1975>=19754 funct2010_02_10N1 3+2memN22VFD8 1/2NNNNNNec uPD277C+/- Sqrt % MRC M=158x90x38 4xAA6VDC0.5W Germany  
1010  <=1975>=19754 funct2007_06_09N1 6+4memN24VFD8NNNNN (-) % Mout CM M+ M-127x76x 2xAA      
Countess RoyalUA117 <=1975>=19754 funct2007_06_09N0 5N19VFD8 1/2NNNNN %93x63x2360gr3xAAAN    Powder blue case, it's a ladies model.
Special  <=1975>=19764 funct2010_02_10N0 6N20VFD8 1/2NNNNNSharp LI2006 (6C2 024)Sqrt %120x74x24 2xAAY  Japan  
RC-84Royal Litton RC-84 <=1976>=19764 funct2007_06_09N0 6N20VFD8.NNNNNTI TMS0855NLSqrt %158x87x37168gr4xAA6VDC0.5W    
12HTARoyal Litton 12HTA <=1976>=1976Scient2010_02_10N1 25+3memN37VFD8 1/2 +2 1/2NNNNNRockwell A4806CB (7615)x<>y (Sin Cos Tan ln log P>R Deg Sqrt)+INV Pi EE 1/x ( ) +/- y^x Sto M+ RCL150x85x25 4x1.5V6VDC ?  Japan Same functions and µProcessor than Rockwell 64RD.
galerie/TA/sir80KUA119 <=1975>=19754 funct2010_02_10N0 5N19VFD8 1/2NNNNNNec uPD941C%92x62x22 3xAAAN Triumph or Adler sir version 2   
81MUA127 <=1976>=19784 funct2007_06_09N1 5+1memN19VFD8 1/2NNNNNMitsubishi M58618-84P% M (M+ M- M= MC)102x62x2268gr3xAAAN Triumph or Adler sir version 1   
90KUA120 197x 4 funct2011_07_25N0 5N19VFD8 1/2NNNNN %114x70x 4xAAA   Japan Exists in 2 colors versions,
90SUA121 <=1976>=19764 funct2010_02_10N0 8N22VFD8 1/2NNNNNNec D1801C(-) % Sqrt Pi120x74x21 4xAAAY  Japan  
91KUA1221197x 4 funct2011_07_25N1 6+4memN24VFD8 1/2NNNNN (-) % CM Mout M- M+114x70x 4xAAA   Japan Black, blue and white keys, black keyboard
91K 2197x 4 funct2011_07_25N1 6+4memN24VFD8 1/2NNNNN (-) % CM Mout M- M+114x70x 4xAAAY  Japan Colorfull keys (black, blue, red and white), white keyboard
91SUA123 <=1976>=19764 funct2007_06_09N1 9+4memN27VFD8 1/2NNNNN Sqrt Pi (-) % X<>Y CM Mout M- M+114x70x 4xAAA      
99TUA126 197x Scient2007_06_09N1 ScientN VFD NNNNN Scient114x70x 4xAAA      
Award GT8Royal Litton Award GT8 197x 4 funct2007_06_09N1 5+2memN20VFD NNNNN % CM RM152x90x 4xAA      
Award MGT  197x 4 funct2007_06_09N1  N VFD NNNNN %152x90x        
D120Digital D120 197x 4 funct2007_06_09N1  N VFD10.NNNNN %165x152x 2xD  Compex EC-1000W, Unisonic 1000M   
D330  197x 4 funct2007_06_09N1  N VFD10.NNNNN %165x152x 2xD      
D330 IIbusiness calculator 197x 4 funct2007_06_09N1  N VFD10.NNNNN %165x152x 2xD      
LS 1002  197x Scient2012_05_01N1 38+5mem+12statN37YLCD11+indicNNNNN sin cos tan sinh cosh tanh ->DMS 1/x y^x ln log x<>y Sqrt EE [( )] (-) asin acos atan asinh acosh atanh DMS-> mode Pi y^(1/x) e^x 10^x x! x^2 nPr nCr P->R R->P STO Mout M+ X<>m M- Summode Sumout Sum/Del P Q R Sumx Sumx^2 n sigma V meanx145x21x10 3x1,5VcellN Adler LS 1002/a>Taiwan  
SOLAR ISolar 1 ~1980 4 funct2008_07_12N1 7+3memN24YLCD8+indicNNNNN Sqrt % (-) Mout M M+132x81x13 sealedsolar Adler Solar 1980  Batteries are reloaded by the solar cell which occupies all the higher part of the calculator and surrounds the display.
8SEC39 197x 4 funct2010_10_30N0 8N22VFD8 1/2NNNNN Sqrt Pi (-) %146x78x18 2xAAY  Japan  
81CSEC 411<=1978>=19784 funct2009_09_29N1 11+3memN27VFD8 1/2NNNNN 1/X Sqrt Pi X^n % Delta% (-) Mout M- M+146x78x18112gr2xAAY Adler 81CS (EC41 version 1)  3 switches version. Display is also a little bigger than on the version 2.
galerie/Royal/ROYAL.81CS.EC41.v281CSEC 412<=1977>=19784 funct2009_12_22N1 11+3memN27VFD8 1/2NNNNNHitachi HD378521/X Sqrt Pi X^n % Delta% (-) Mout M- M+146x78x18112gr2xAAY Adler 81CS (EC41 version 2)Japan 4 switches version, the 4th swithes into RPN mode. Display is also a little smaler than on the version 1.
RSC-40Royal Imperial RSC-40 <=1979>=19794 funct++2007_06_09N1 10+4memN24VFD8 1/2NNNNN % +/- 1/x Pi X^n Sqrt M-= M+= MC MR  4xAA      
RSC-40Royal Litton RSC-40 <=1979>=19794 funct++2007_06_09N1 10+4memN25VFD8 1/2NNNNNNec uPD946C% +/- 1/x Pi X^n Sqrt M-= M+= MC MR  4xAAY     
galerie/Royal/L815L815  <=1980>=19814 funct2009_09_20N1 7+4memN26YLCD8+indicNNNNNNec D1832G% Sqrt +/- MC MR M- M+118x65x10c63g2x1,5VcellN27uA Japan  
861MINI CARD 861 <=1980>=19804 funct2007_06_09N1 6+4memN24LCD8+indicNNNNN % Sqrt MC MR M+ M-55x85x 2x1V5cellN     
2HPD  198x 4 funct+printer2007_06_09N1 2+4mem+1printN25LCD8+indicNNYNN +/- % MC MR M- M+ ^  Y      
3HPD  197x-8x 4 funct+printer2007_06_09N1 5+4mem+3printN26VFD NNYNN % Mc Mo M- M+ ^ * #/Diamond140x70x 4xAA sealedY     
4HPD  <=1981>=19824 funct+printer2010_10_31N1 10+4memN30LCD10+indicNNYNNHitachi HD43516^ DS P/NP % T S MT MS M- M+140x73x30 4xAAN  Japan Exists in black or white case.
5HPD  <=1981>=19814 funct+printer2010_02_10N1 8+4memN27VFD10 1/2NNYNNMitsubishi M58871P (813102)^ * Diamond #184x82x42 Sealed3x1.2V3.6V2.2W Japan  
8HPD  198x 4 funct+printer2009_01_14N1 7+4mem+1printN27LCD8+indicNNYNN Sqrt +/- % MC MR M- M+ ^184x82x42 3xAAA   Japan  
10HPD  197x-8x 4 funct+printer2007_06_09N1  N VFD NNYNN %229x108x sealedY     
LM12LM-12 198x 4 funct2009_07_06N1 7+3memN25LCD8+indicNNNNN Sqrt % +/- MRC M- M+95x57x6 1x3VN    Very stylish full metal case.
galerie/Royal/royal.LCB830LCB 830LCB-830 , CHECKBOOK CALCULATOR 198x 4 funct+checkbook2010_05_29N1 5+3memN23LCD8+indicNNNmemN % CHK/M- DEP/M+ BAL/MR65x154x6 2xLR44 (1,5Vcell)N  Taiwan  
LCB 841LCB-841 , CHECKBOOK CALCULATOR1198x 4 funct+checkbook2010_09_12N3 5+11N31LCD8+indicNNNmemN % A/F CHK/M-1 DEP/M+1 BAL/MR1 CHG/M-2 PMT/M+2 BAL/MR2 CHG/M-3 PMT/M+3 BAL/MR3 GT65x153x6 2xLR1130 (1,5Vcell)N70µA Japan  
galerie/Royal/LCB841LCB 841LCB-841 , CHECKBOOK CALCULATOR2198x 4 funct+checkbook2010_09_12N3 5+11N31LCD8+indicNNNmemN % A/F65x153x6 2xLR44 (1,5Vcell)N  Taiwan  
L814  <=1985>=19854 funct2010_02_10N1 6+4memN25LCD8+indicNNNNNSharp LI3033M (5101)% Sqrt MC MR M- M+123x71x18 2xAAAN  Hong Kong  
L817  198x 4 funct2011_09_11N1 11+4memN30LCD8+indicNNNNN 1/x x^2 DS (-) Pi Sqrt % MC MR M- M+120x65x9 2xLR44 (1,5Vcell)N27µA Japan  

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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).