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 |
Royal
|
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 |
| Royal | Royal Litton | 1 | <=1972 | >=1973 | 4 funct | 2007_06_09 | N | 0 | | 5 | N | 18 | VFD | 8. | N | N | N | N | N | GI (General Instruments) 251F | K | 150x90x35 | 334gr with bat | 6xAA sealed | 7V2-9VDC | 200mA | | | | |
| Royal | Royal Litton | 2 | <=1973 | >=1973 | 4 funct | 2007_06_09 | N | 0 | | 6 | N | 20 | VFD | | N | N | N | N | N | | Sqrt % | | | 4xAA | | | | | | |
| Digital III | Royal Litton | | 1972 | >=1972 | 4 funct | 2011_05_23 | N | 0 | | 6 | N | 19 | VFD | 4 | N | N | N | N | N | | <-> K | 165x81x39 | | 6xAA sealed | 7.2VDC | 1.8W | | | | Rather particular model which does not have a real keyboard (with keys), but the electrical contact is done through a wired pen. |
| Digital IV | Royal Litton | | 01/1972 | >=1972 | 4 funct | 2011_05_27 | N | 0 | | 5 | N | 18 | LED | 8. | N | N | N | N | N | General Instruments GI 251 | K | 165x81x39 | | 6xAA sealed | 7.2VDC | 1.8W | | | | 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 | >=1973 | 4 funct | 2007_06_09 | N | 0 | | 5 | N | 18 | LED | 8. | N | N | N | N | N | General Instrument 251F or C-500 | K | 150x88x36 | | 6xAA sealed | Y | | | | | |
| Digital 5 | | | 1972 | >=1972 | 4 funct | 2007_06_09 | N | 0 | | 5 | N | | VFD | 8. | N | N | N | N | N | General Instrument 251F | K | 150x88x35 | | 4xAA sealed | Y | | | | | |
| Digital 5-M | | | 1972 | >=1973 | 4 funct | 2007_06_09 | N | 1 | | 5+2mem | N | 20 | VFD | 8 | N | N | N | N | N | | % CM RM | 150x88x35 | | 4xAA | Y | | | | | |
| Digital 5-T | Royal Litton Digital 5-T | | <=1973 | >=1973 | 4 funct | 2007_06_09 | N | 0 | | 5 | N | 18 | VFD | 8. | N | N | N | N | N | GI (General Instruments) C-570 | K | 150x88x35 | 184gr | 4xAA | Y | | | | | |
| Digital VIII-K | UA785 | | c1974 | | 4 funct | 2007_06_09 | N | 0 | | | N | | VFD | | N | N | N | N | N | | | 159x90x | | 4xAA | | | | | | |
| Digital 88M | | | 197x | | 4 funct | 2008_10_13 | N | 1 | | 5+4mem | N | 22 | VFD | 8 | N | N | N | N | N | | % CM M- M+ RM | 152x90x | | 4xAA | | | | | | |
| 8MK-AD | EC30 | | 197x | | 4 funct | 2007_06_09 | N | 1 | | | N | | VFD | | N | N | N | N | N | | % Sqrt +/- | 216x140x | | 4xC | | | | | | |
| 12HT | UA221 | | 197x | | Scient | 2007_06_09 | N | 1 | | Scient | N | | VFD | | N | N | N | N | N | | Scient | 152x76x | | 4xAA | | | | | | |
| Five GT | | | <=1974 | >=1974 | 4 funct | 2007_06_09 | N | 1 | | 5+4mem | N | 22 | VFD | 8 1/2 | N | N | N | N | N | Western Digital LC1552 | % CM M- M+ RM | 156x92x39 | | 4xAA | | | | | | |
| Mini Five | Royal Litton Mini Five | | <=1974 | >=1974 | 4 funct | 2007_06_09 | N | 0 | | 5 | N | 18 | VFD | 8. | N | N | N | N | N | GI (General Instruments) C-556 | K | 157x87x37 | 194gr | 4xAA | Y | | | | | |
| RC 82K | Royal Litton RC 82K | | 197x | | 4 funct | 2007_06_09 | N | 0 | | 5 | N | 18 | | | N | N | N | N | N | | K | | | | | | | | | |
| RC 83 | Royal Litton RC 83 | | <=1974 | >=1974 | 4 funct | 2007_06_09 | N | 0 | | 5 | N | 18 | VFD | 8 | N | N | N | N | N | | K | | | 4xAA | | | | | | |
| RC 85MK | Royal Litton RC 85MK | | <=1974 | >=1974 | 4 funct | 2013_04_17 | N | 1 | | 5+2mem | N | 20 | VFD | 8 + indic | N | N | N | N | N | Rockwell A4130PA | % CM RM | 150x90x36 | | 4xAA | 6VDC | 0.5W | | | | |
| RC 86M | Royal Litton RC 86M | | <=1974 | >=1974 | 4 funct | 2011_07_31 | N | 1 | | 5+4mem | N | 22 | VFD | 8 | N | N | N | N | N | | % CM M- M+ RM | | | 4xAA | 6VDC | 0.5W | | | | |
| RC-87 | Royal Litton RC-87 | | <=1975 | >=1975 | 4 funct | 2010_02_10 | N | 1 | | 3+2mem | N | 22 | VFD | 8 1/2 | N | N | N | N | N | Nec uPD277C | +/- Sqrt % MRC M= | 158x90x38 | | 4xAA | 6VDC | 0.5W | | Germany | | |
| 1010 | | | <=1975 | >=1975 | 4 funct | 2007_06_09 | N | 1 | | 6+4mem | N | 24 | VFD | 8 | N | N | N | N | N | | (-) % Mout CM M+ M- | 127x76x | | 2xAA | | | | | | |
| Countess Royal | UA117 | | <=1975 | >=1975 | 4 funct | 2007_06_09 | N | 0 | | 5 | N | 19 | VFD | 8 1/2 | N | N | N | N | N | | % | 93x63x23 | 60gr | 3xAAA | N | | | | | Powder blue case, it's a ladies model. |
| Special | | | <=1975 | >=1976 | 4 funct | 2010_02_10 | N | 0 | | 6 | N | 20 | VFD | 8 1/2 | N | N | N | N | N | Sharp LI2006 (6C2 024) | Sqrt % | 120x74x24 | | 2xAA | Y | | | Japan | | |
| RC-84 | Royal Litton RC-84 | | <=1976 | >=1976 | 4 funct | 2007_06_09 | N | 0 | | 6 | N | 20 | VFD | 8. | N | N | N | N | N | TI TMS0855NL | Sqrt % | 158x87x37 | 168gr | 4xAA | 6VDC | 0.5W | | | | |
| 12HTA | Royal Litton 12HTA | | <=1976 | >=1976 | Scient | 2010_02_10 | N | 1 | | 25+3mem | N | 37 | VFD | 8 1/2 +2 1/2 | N | N | N | N | N | Rockwell A4806CB (7615) | x<>y (Sin Cos Tan ln log P>R Deg Sqrt)+INV Pi EE 1/x ( ) +/- y^x Sto M+ RCL | 150x85x25 | | 4x1.5V | 6VDC ? | | | Japan | | Same functions and µProcessor than Rockwell 64RD. |
| 80K | UA119 | | <=1975 | >=1975 | 4 funct | 2010_02_10 | N | 0 | | 5 | N | 19 | VFD | 8 1/2 | N | N | N | N | N | Nec uPD941C | % | 92x62x22 | | 3xAAA | N | | Triumph or Adler sir version 2 | | | |
| 81M | UA127 | | <=1976 | >=1978 | 4 funct | 2007_06_09 | N | 1 | | 5+1mem | N | 19 | VFD | 8 1/2 | N | N | N | N | N | Mitsubishi M58618-84P | % M (M+ M- M= MC) | 102x62x22 | 68gr | 3xAAA | N | | Triumph or Adler sir version 1 | | | |
| 90K | UA120 | | 197x | | 4 funct | 2011_07_25 | N | 0 | | 5 | N | 19 | VFD | 8 1/2 | N | N | N | N | N | | % | 114x70x | | 4xAAA | | | | Japan | | Exists in 2 colors versions, |
| 90S | UA121 | | <=1976 | >=1976 | 4 funct | 2010_02_10 | N | 0 | | 8 | N | 22 | VFD | 8 1/2 | N | N | N | N | N | Nec D1801C | (-) % Sqrt Pi | 120x74x21 | | 4xAAA | Y | | | Japan | | |
| 91K | UA122 | 1 | 197x | | 4 funct | 2011_07_25 | N | 1 | | 6+4mem | N | 24 | VFD | 8 1/2 | N | N | N | N | N | | (-) % CM Mout M- M+ | 114x70x | | 4xAAA | | | | Japan | | Black, blue and white keys, black keyboard |
| 91K | | 2 | 197x | | 4 funct | 2011_07_25 | N | 1 | | 6+4mem | N | 24 | VFD | 8 1/2 | N | N | N | N | N | | (-) % CM Mout M- M+ | 114x70x | | 4xAAA | Y | | | Japan | | Colorfull keys (black, blue, red and white), white keyboard |
| 91S | UA123 | | <=1976 | >=1976 | 4 funct | 2007_06_09 | N | 1 | | 9+4mem | N | 27 | VFD | 8 1/2 | N | N | N | N | N | | Sqrt Pi (-) % X<>Y CM Mout M- M+ | 114x70x | | 4xAAA | | | | | | |
| 99T | UA126 | | 197x | | Scient | 2007_06_09 | N | 1 | | Scient | N | | VFD | | N | N | N | N | N | | Scient | 114x70x | | 4xAAA | | | | | | |
| Award GT8 | Royal Litton Award GT8 | | 197x | | 4 funct | 2007_06_09 | N | 1 | | 5+2mem | N | 20 | VFD | | N | N | N | N | N | | % CM RM | 152x90x | | 4xAA | | | | | | |
| Award MGT | | | 197x | | 4 funct | 2007_06_09 | N | 1 | | | N | | VFD | | N | N | N | N | N | | % | 152x90x | | | | | | | | |
| D120 | Digital D120 | | 197x | | 4 funct | 2007_06_09 | N | 1 | | | N | | VFD | 10. | N | N | N | N | N | | % | 165x152x | | 2xD | | | Compex EC-1000W, Unisonic 1000M | | | |
| D330 | | | 197x | | 4 funct | 2007_06_09 | N | 1 | | | N | | VFD | 10. | N | N | N | N | N | | % | 165x152x | | 2xD | | | | | | |
| D330 II | business calculator | | 197x | | 4 funct | 2007_06_09 | N | 1 | | | N | | VFD | 10. | N | N | N | N | N | | % | 165x152x | | 2xD | | | | | | |
| LS 1002 | | | 197x | | Scient | 2012_05_01 | N | 1 | | 38+5mem+12stat | N | 37 | YLCD | 11+indic | N | N | N | N | N | | 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 meanx | 145x21x10 | | 3x1,5Vcell | N | | Adler LS 1002/a> | Taiwan | | |
| SOLAR I | Solar 1 | | ~1980 | | 4 funct | 2008_07_12 | N | 1 | | 7+3mem | N | 24 | YLCD | 8+indic | N | N | N | N | N | | Sqrt % (-) Mout M M+ | 132x81x13 | | sealed | solar | | Adler Solar 1980 | | | Batteries are reloaded by the solar cell which occupies all the higher part of the calculator and surrounds the display. |
| 8S | EC39 | | 197x | | 4 funct | 2010_10_30 | N | 0 | | 8 | N | 22 | VFD | 8 1/2 | N | N | N | N | N | | Sqrt Pi (-) % | 146x78x18 | | 2xAA | Y | | | Japan | | |
| 81CS | EC 41 | 1 | <=1978 | >=1978 | 4 funct | 2009_09_29 | N | 1 | | 11+3mem | N | 27 | VFD | 8 1/2 | N | N | N | N | N | | 1/X Sqrt Pi X^n % Delta% (-) Mout M- M+ | 146x78x18 | 112gr | 2xAA | Y | | Adler 81CS (EC41 version 1) | | | 3 switches version. Display is also a little bigger than on the version 2. |
| 81CS | EC 41 | 2 | <=1977 | >=1978 | 4 funct | 2009_12_22 | N | 1 | | 11+3mem | N | 27 | VFD | 8 1/2 | N | N | N | N | N | Hitachi HD37852 | 1/X Sqrt Pi X^n % Delta% (-) Mout M- M+ | 146x78x18 | 112gr | 2xAA | Y | | 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-40 | Royal Imperial RSC-40 | | <=1979 | >=1979 | 4 funct++ | 2007_06_09 | N | 1 | | 10+4mem | N | 24 | VFD | 8 1/2 | N | N | N | N | N | | % +/- 1/x Pi X^n Sqrt M-= M+= MC MR | | | 4xAA | | | | | | |
| RSC-40 | Royal Litton RSC-40 | | <=1979 | >=1979 | 4 funct++ | 2007_06_09 | N | 1 | | 10+4mem | N | 25 | VFD | 8 1/2 | N | N | N | N | N | Nec uPD946C | % +/- 1/x Pi X^n Sqrt M-= M+= MC MR | | | 4xAA | Y | | | | | |
| L815 | | | <=1980 | >=1981 | 4 funct | 2009_09_20 | N | 1 | | 7+4mem | N | 26 | YLCD | 8+indic | N | N | N | N | N | Nec D1832G | % Sqrt +/- MC MR M- M+ | 118x65x10 | c63g | 2x1,5Vcell | N | 27uA | | Japan | | |
| 861 | MINI CARD 861 | | <=1980 | >=1980 | 4 funct | 2007_06_09 | N | 1 | | 6+4mem | N | 24 | LCD | 8+indic | N | N | N | N | N | | % Sqrt MC MR M+ M- | 55x85x | | 2x1V5cell | N | | | | | |
| 2HPD | | | 198x | | 4 funct+printer | 2007_06_09 | N | 1 | | 2+4mem+1print | N | 25 | LCD | 8+indic | N | N | Y | N | N | | +/- % MC MR M- M+ ^ | | | Y | | | | | | |
| 3HPD | | | 197x-8x | | 4 funct+printer | 2007_06_09 | N | 1 | | 5+4mem+3print | N | 26 | VFD | | N | N | Y | N | N | | % Mc Mo M- M+ ^ * #/Diamond | 140x70x | | 4xAA sealed | Y | | | | | |
| 4HPD | | | <=1981 | >=1982 | 4 funct+printer | 2010_10_31 | N | 1 | | 10+4mem | N | 30 | LCD | 10+indic | N | N | Y | N | N | Hitachi HD43516 | ^ DS P/NP % T S MT MS M- M+ | 140x73x30 | | 4xAA | N | | | Japan | | Exists in black or white case. |
| 5HPD | | | <=1981 | >=1981 | 4 funct+printer | 2010_02_10 | N | 1 | | 8+4mem | N | 27 | VFD | 10 1/2 | N | N | Y | N | N | Mitsubishi M58871P (813102) | ^ * Diamond # | 184x82x42 | | Sealed3x1.2V | 3.6V | 2.2W | | Japan | | |
| 8HPD | | | 198x | | 4 funct+printer | 2009_01_14 | N | 1 | | 7+4mem+1print | N | 27 | LCD | 8+indic | N | N | Y | N | N | | Sqrt +/- % MC MR M- M+ ^ | 184x82x42 | | 3xAAA | | | | Japan | | |
| 10HPD | | | 197x-8x | | 4 funct+printer | 2007_06_09 | N | 1 | | | N | | VFD | | N | N | Y | N | N | | % | 229x108x | | sealed | Y | | | | | |
| LM12 | LM-12 | | 198x | | 4 funct | 2009_07_06 | N | 1 | | 7+3mem | N | 25 | LCD | 8+indic | N | N | N | N | N | | Sqrt % +/- MRC M- M+ | 95x57x6 | | 1x3V | N | | | | | Very stylish full metal case. |
| LCB 830 | LCB-830 , CHECKBOOK CALCULATOR | | 198x | | 4 funct+checkbook | 2010_05_29 | N | 1 | | 5+3mem | N | 23 | LCD | 8+indic | N | N | N | mem | N | | % CHK/M- DEP/M+ BAL/MR | 65x154x6 | | 2xLR44 (1,5Vcell) | N | | | Taiwan | | |
| LCB 841 | LCB-841 , CHECKBOOK CALCULATOR | 1 | 198x | | 4 funct+checkbook | 2010_09_12 | N | 3 | | 5+11 | N | 31 | LCD | 8+indic | N | N | N | mem | N | | % 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 GT | 65x153x6 | | 2xLR1130 (1,5Vcell) | N | 70µA | | Japan | | |
| LCB 841 | LCB-841 , CHECKBOOK CALCULATOR | 2 | 198x | | 4 funct+checkbook | 2010_09_12 | N | 3 | | 5+11 | N | 31 | LCD | 8+indic | N | N | N | mem | N | | % A/F | 65x153x6 | | 2xLR44 (1,5Vcell) | N | | | Taiwan | | |
| L814 | | | <=1985 | >=1985 | 4 funct | 2010_02_10 | N | 1 | | 6+4mem | N | 25 | LCD | 8+indic | N | N | N | N | N | Sharp LI3033M (5101) | % Sqrt MC MR M- M+ | 123x71x18 | | 2xAAA | N | | | Hong Kong | | |
| L817 | | | 198x | | 4 funct | 2011_09_11 | N | 1 | | 11+4mem | N | 30 | LCD | 8+indic | N | N | N | N | N | | 1/x x^2 DS (-) Pi Sqrt % MC MR M- M+ | 120x65x9 | | 2xLR44 (1,5Vcell) | N | 27µA | | Japan | | |