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 |
Melcor
|
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 |
| 40 | Maximus 40 | | | | 4 funct | 2011_05_27 | N | 1 | | | N | | LED | | N | N | N | N | N | | Sqrt x^2 | 152x76x | | 1x9V | | | | | | |
| 50 | Maximus 50 | | | | 4 funct | 2011_05_27 | N | 1 | | | N | | LED | | N | N | N | N | N | | | 152x76x | | 1x9V | | | | | | |
| 380 | | | 1973 | | 4 funct | 2008_08_28 | N | 1 | | 6+1mem | N | 23 | LED | 8 | N | N | N | N | N | | D % M^v | 152x76x | | 1x9V | | | | | | Has 2 keyboard versions. |
| 390 | | | c1973 | | 4 funct | 2011_05_27 | N | 1 | | 8+2mem | N | 23 | LED | 8 | N | N | N | N | N | | K= D % D MS MR | 152x81x | | 1x9V | Y | | | | | Has 2 keyboard versions. |
| 392 | | | | | 4 funct | 2011_05_27 | N | 1 | | | N | | LED | | N | N | N | N | N | | % | 152x81x | | 1x9V | | | | | | |
| 400 | | | 1973 | | 4 funct | 2011_05_27 | N | 1 | | 7+1mem | N | 24 | LED | 8 1/2 | N | N | N | N | N | | Sqrt X^2 1/x M^v | 152x81x | | 1x9V | Y | | | | | |
| 480 | | | 1974 | | 4 funct | 2011_05_27 | N | 1 | | | N | | LED | | N | N | N | N | N | | % | 152x76x | | 1x9V | | | | | | |
| 500 | | | | | 4 funct | 2011_05_27 | N | 1 | | | N | | LED | | N | N | N | N | N | | % | 152x76x | | 1x9V | | | | | | |
| 550 | | | 197x | | 4 funct | 2011_05_27 | N | 1 | | 7+4mem | N | 24 | LED | 8 | N | N | N | N | N | | Sqrt % DS MC MR M+ M- | 152x76x | | 1x9V | | | | | | |
| 590 | | | | | 4 funct+conversions | 2011_05_27 | N | 1 | | 4 funct+conv | N | 27 | VFD | | N | N | N | N | N | | 4 funct+conversions | 152x76x | | 1x9V | | | | | | |
| 655 | | | 1975 | | Scient | 2011_05_27 | N | >1 | | Scient | N | 40 | LED | | N | N | N | N | N | | Scient | 165x89x | | sealed | Y | | | | | |
| 670 | | | c1974 | | Scient | 2011_05_27 | N | | | Scient | N | | VFD | | N | N | N | N | N | | Scient | 152x76x | | 1x9V | | | | | | |
| 747 | | | 197x | | 4 funct | 2011_05_27 | N | 1 | | 6+2mem | N | 21 | LED | 8 | N | N | N | N | N | | % K= MR MS | 110x70x | | 1x9V | | | Summit 777 | | | |
| 1100 | | | | | 4 funct | 2011_05_27 | N | | | | N | | LED | | N | N | N | N | N | | % | 152x76x | | 1x9V | | | | | | |
| SC-535 | | | <=1974 | >=1975 | Scient | 2011_05_27 | N | 1 | | 24+1mem | N | 37 | LED | 10 1/2+2 1/2 | N | N | N | N | N | MOS MSC2523 & MSC2525 & 5 IC fordisplay | e^x ln log Pi x^y Sin Cos Tan Asin Acos Atan Sqrt x^2 1/x ( ) +/- x<>y °<>Rad EE Mv^ | 159x89x37 | | 2x??V sealed batt | Y | | | USA | | |
| SC-630 | | | ~1974 | | Scient | 2011_05_27 | N | 1 | | 26+3mem | N | 40 | LED | | N | N | N | N | N | | e^x ln 10^x log °<>Rad Sin Cos Tan Asin Acos Atan Sqrt x^2 1/x [( )] n! y^x EE +/- x<>y Pi M+ RCL STO | 159x89x37 | | Y | Y | | Melcor SC-645 | | | |
| SC-635 | | | ~1974 | >=1975 | Scient | 2011_05_27 | N | 1 | | 26+3mem | N | 40 | LED | | N | N | N | N | N | MOS MSC2529 | e^x ln 10^x log °<>Rad Sin Cos Tan Asin Acos Atan Sqrt x^2 1/x [( )] n! y^x EE +/- x<>y Pi M+ RCL STO | 159x89x37 | | sealed | Y | | | | | |
| SC-645 | | | 197x | | Scient | 2011_05_27 | N | 1 | | 26+3mem | N | 40 | LED | 8 1/2 + 2 1/2 | N | N | N | N | N | MOS | e^x ln 10^x log °<>Rad Sin Cos Tan Asin Acos Atan Sqrt x^2 1/x [( )] n! y^x EE +/- x<>y Pi M+ RCL STO | 159x89x37 | | sealed | Y | | Melcor SC-630 | USA | | |
| SC-655 | | | 197x | | Scient | 2011_05_27 | N | 1 | | 26+3mem | N | 40 | LED | 10 1/2+2 1/2 | N | N | N | N | N | | e^x ln 10^x log °<>Rad Sin Cos Tan Asin Acos Atan Sqrt x^2 1/x [( )] n! y^x EE +/- x<>y Pi M+ RCL STO | 159x89x37 | | sealed | Y | | | | | |
| Compu-tech X | | | | | 4 funct | 2011_05_27 | N | 1 | | | N | | LED | | N | N | N | N | N | | Sqrt x^2 | 152x76x | | | | | | | | |