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 |
Bowmar
|
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 |
| 901B | | | 10/1971 | >=1972 | 4 funct | 2009_04_22 | N | 0 | | 5 | N | 18 | LED | 8. | N | N | N | N | N | TI TMS0103 | D | 135x79x36 | 12 ounces (340g ?) | 6xAA | Y | | Craig 4501, Commodore C110 | USA | | 16 digit input with 8 digit display. Automatic display cut-off. First made in USA calculator. |
| 901C | | | <=1972 | >=1972 | 4 funct | 2010_01_29 | N | 0 | | 5 | N | 18 | LED | 8. | N | N | N | N | N | TI MS0103NC | D | 133x78x37 | | 6xAA sealed | Y | | | Canada | | |
| 901D | | 1 | <=1972 | >=1972 | 4 funct | 2009_04_22 | N | 0 | | 5 | N | 18 | LED | 10. | N | N | N | N | N | TI TMS0107 | D | 135x79x36 | | 4xAA | Y | | | USA | | |
| 901D | BOWMAR Ten | 2 | <=1972 | >=1972 | 4 funct | 2010_09_29 | N | 0 | | 5 | N | 18 | LED | 10. | N | N | N | N | N | TI TMS0107 | D | 135x79x36 | | 4xAA | Y | | | USA | | White case. |
| 905 | THE ANSWER 2 | | <=1972 | >=1972 | 4 funct | 2011_07_29 | N | 0 | | 4 | N | 17 | LED | 8 1/2 | N | N | N | N | N | | | 146x75x34 | | AA Sealed | Y | | | USA | | White front case. |
| 90512 | Century Mark IV | | c1972 | >=1974 | 4 funct | 2008_05_08 | N | 0 | | 4 | N | 17 | LED | 8 1/2 | N | N | N | N | N | TI MS0103NC | | 148x78x33 | | 3xAA Sealed | Y | | | USA | | "Variations: with or without ""Century Mark IV"" logo on the front." |
| MX8 | 90112 | | c1973 | | 4 funct | 2008_05_07 | N | | | | N | | LED | | N | N | N | N | N | | | 127x76x38 | | Sealed | Y | | | | | Same white case as 901B, differences unknown, possibly just a new number series for the 901B. |
| MX10 | 90150 | | c1973 | | 4 funct | 2008_05_07 | N | | | | N | | LED | 10. | N | N | N | N | N | | | 127x76x38 | | Sealed | Y | | | | | Same white case as 901D, differences unknown, possibly just a new number series for the 901D. |
| MX20 | Brainchild , 90901 | | <=1973 | >=1973 | 4 funct | 2008_05_08 | N | 0 | | 4 | N | 18 | LED | 8 | N | N | N | N | N | | | 152x70x22 | 120gr | 3xAA | Y | 65 - 148 mA | | | | |
| MX20 | Brainchild , 90911 | | c1972 | | 4 funct | 2008_05_08 | N | 0 | | 4 | N | 18 | LED | 8 | N | N | N | N | N | | | 152x70x22 | | 3xAA | Y | | | | | |
| MX40 | Brain , 91801 | | <=1973 | >=1973 | 4 funct | 2008_05_07 | N | 0 | | 4 | N | 17 | LED | 8. | N | N | N | N | N | | | 140x78x37 | 9 oz | Sealed | Y | | | | | Red or red & black case. |
| MX40 | Brain , 91802 | | <=1973 | >=1973 | 4 funct | 2008_05_07 | N | 0 | | 4 | N | 17 | LED | 8. | N | N | N | N | N | | | 140x78x37 | 9 oz | Sealed | Y | | | | | Yellow or yellow & black case. |
| MX40 | Brain , 91804 | | <=1973 | >=1973 | 4 funct | 2008_05_07 | N | 0 | | 4 | N | 17 | LED | 8. | N | N | N | N | N | | | 140x78x37 | | Sealed | Y | | | | | Yellow or yellow & black case. |
| MX50 | 90505 | | <=1973 | >=1973 | 4 funct | 2008_05_07 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | | % | 148x78x33 | | Sealed | Y | | | | | Has a small silver border around the keyboard and the display, like on the MX55 model. |
| MX50 | 90506 | 1 | <=1973 | >=1973 | 4 funct | 2009_04_07 | N | 0 | | 5 | N | 18 | LED | 8 1/2 | N | N | N | N | N | Rockwell15332PC + 4 TI | % | 149x78x33 | | 3xAA Sealed | Y | | | USA | | Black round on white square keys version. |
| MX50 | 90506 | 2 | <=1973 | >=1973 | 4 funct | 2009_04_02 | N | 0 | | 5 | N | 18 | LED | 8 1/2 | N | N | N | N | N | | % | 149x78x33 | | 3xAA Sealed | 9VAC | 275mA | | | | Black square keys version. |
| MX50 | 90515 | 1 | <=1973 | >=1973 | 4 funct | 2009_07_15 | N | 0 | | 5 | N | 18 | LED | 8 1/2 | N | N | N | N | N | | % | 148x78x33 | | 3xAA Sealed | Y | | | Canada | | Black round on white square keys version. |
| MX50 | 90515 | 2 | <=1973 | >=1973 | 4 funct | 2008_05_07 | N | 0 | | 5 | N | 18 | LED | 8 1/2 | N | N | N | N | N | | % | 148x78x33 | 98gr | 3xAA Sealed | Y | | | Canada | | Black square keys version. |
| 90516 | | | 197x | | 4 funct | 2008_05_08 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | | % | 148x78x33 | | Y | Y | | | | | |
| MX55 | Century Mark IV | | <=1974 | >=1974 | 4 funct | 2008_05_08 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | Western Digital LC1552B | % | 146x75x34 | | 3xAAsealed | Y | | | Mexico | | "One example of MX55 has a ""Century Mark IV"" logo on the front." |
| MX60 | | | <=1973 | >=1973 | 4 funct | 2008_05_07 | N | | | | N | | LED | | N | N | N | N | N | | % | 140x76x38 | 9 oz | 3xAA | Y | | | | | |
| MX61 | 90601 | | 197x | | 4 funct | 2010_10_14 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | | % | 148x78x33 | | 3xAA | Y | | | USA | | Exists in 2 keyboard versions. |
| MX70 | 90701 | | <=1973 | >=1973 | 4 funct | 2008_05_07 | N | 1 | | 4+2mem | N | 19 | LED | 8 | N | N | N | N | N | Rockwell1533x + 2x TI + 2x ITT B6179 | MR MC | 133x76x | | Sealed | Y | | | USA | | |
| MX80 | 90152 | | <=1973 | >=1973 | 4 funct | 2011_07_29 | N | 0 | | 5 | N | 18 | LED | 10. | N | N | N | N | N | | % | 133x76x | | 6xAA | Y | | | USA | | |
| MX90 | MX-90 , 91505 | | <=1974 | >=1974 | 4 funct | 2008_05_08 | N | 1 | | 8+4mem | N | 25 | LED | 10 | N | N | N | N | N | | Sqrt 1/x % +/- MC MR M- M+ | 133x76x | | Sealed | Y | | | Mexico | | Exists in 2 keyboard colors versions. |
| MX100 | 92001 , MX100-2 | | <=1974 | >=1975 | Scientific | 2008_05_08 | N | 1 | | 19+4mem | N | 25 | LED | 8 1/2 | N | N | N | N | N | Rockwell A4001 2x ITT B6249 and 2xDM8895N. | X<>Y Y^X CS sin cos tan asin acos atan e^x LNx LOGx 1/X Sqrt Pi | 133x76x | | Sealed | Y | | | Mexico | | Exists in 2 versions : white or dark brown keys. |
| MX120 | SUPERBRAIN | | 197x | | Scientific | 2008_05_08 | N | 1 | | 17+5mem | N | 24 | LED | 8 1/2 | N | N | N | N | N | | EE Conv sin cos tan asin acos atan Sqrt LN e^x Pi 1/x MC M<>X M- MR M+ | 150x70x20 | | 3xAA | Y | | | Mexico | | |
| MX140 | | | <=1974 | >=1974 | Scientific | 2008_05_08 | N | Y | | 25+6mem | N | 20 | LED | 10 1/2 + 2 1/2 | N | N | N | N | N | | Y^x sin cos tan 1/x LN Log x^2 X<>Y DEG +/- Pi [( )] asin acos atan e^x 10^x Sqrt RAD STO M+ MC RCL X<>M M- | 133x76x | | Sealed | Y | | | | | |
| MX75 | MX-75 , 90705 | 1 | <=1974 | >=1974 | 4 funct | 2008_05_08 | N | 1 | | 5+2mem | N | 20 | LED | 8 1/2 | N | N | N | N | N | | % MR MC | 132x75x35 | 140gr | Sealed | Y | | | USA | | |
| MX75 | MX-75 , 90705 | 2 | <=1974 | >=1974 | 4 funct | 2008_05_08 | N | 1 | | 5+2mem | N | 20 | LED | 8 1/2 | N | N | N | N | N | Rockwell A1030PE | % MR MC | 135x80x40 | 200gr | 3xAA Sealed | Y | | | USA | | |
| MX25 | | | <=1975 | >=1975 | 4 funct | 2008_05_08 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | | % | 152x70x | | 3xAA | Y | | | Mexico | | |
| MX35 | | | 197x | | 4 funct | 2008_05_08 | N | 1 | | 5+mem | N | 19 | LED | 8 | N | N | N | N | N | | % M | | | Y | Y | | | | | |
| math mate | mathmate | | <=1974 | 1975 | 4 funct | 2008_05_08 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | | % | 152x76x | | Y | Y | | | | | |
| math mate II | mathmate II | | <=1974 | >=1975 | 4 funct | 2010_02_14 | N | 1 | | 5+5mem | N | 19 | LED | 8 1/2 | N | N | N | N | N | GI C-594 + 2x ITT 510-5N (display drv) | % M (MC M<>x M- MR M+) | 135x71x25 | 100gr | 1x9V | 9VDC | | | Mexico | | |
| Count | | | 197x | | 4 funct | 2008_05_08 | N | 1 | | 8+4mem | N | 25 | VFD | 8 1/2 | N | N | N | N | N | | <-> Sqrt % +/- MC MR M- M+ | 140x76x | | Sealed | Y | | | | | Looks like Rockwell 24MS, only known non-standard Bowmar design, possibly a final model produced after company was in bankruptcy or receivership |
| no model name | | | ~1978 | | 4 funct | 2008_05_08 | N | 1 | | 6+4mem | N | 24 | LED | 8. | N | N | N | N | N | | CS % MC MR M- M+ | 133x70x24 | | 1x9V | Y | | Same case as Bohsei 3000, Janon 3000, Nobility 3000, Tronica 3000, Unitrex 1000, Voesa3000 | | | |