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More info about russian calculators at Museum Of Soviet Calculators On the Web |
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 |
| EKBM 24-71 | | | <=1973 | >=1975 | 4 funct desktop | 2007_09_28 | N | 0 | | 4 | N | 15 | VFD | 8 | N | N | N | N | N | | | | | 4x | Y | | | | | More un desktop model. |
| B1-00M | | | 197x | | 4 funct | 2007_09_27 | N | 0 | | 6 | N | 20 | VFD | 8 | N | N | N | N | N | | % 1/x | | | 4xAA | Y | | | | | |
| B3-04 | | | <=1974 | >=1974 | 4 funct | 2007_09_30 | N | 0 | | 5 | N | 17 | COS-LCD | 8+indic | N | N | N | N | N | | K | 118x78x20 | 200gr | 1x1.5V sealed ? | Y | | Sharp EL-805 | | | |
| B3-08 | | | <=1975 | >=1975 | 4 funct | 2007_09_30 | N | 0 | | 4 | N | 17 | VFD | 8+1 | N | N | N | N | N | | | 165x95x65 | | 6x or 8x | 9VDC | | | | | |
| B3-09 | | | <=1975 | >=1977 | 4 funct | 2007_09_30 | N | 0 | | 6 | N | 20 | LED | 8 | N | N | N | N | N | | % 1/x | 158x86x36 | | 4xAA sealed | Y | | | | | |
| B3-09M | | | <=1975 | >=1977 | 4 funct | 2007_09_30 | N | 0 | | 6 | N | 20 | VFD | 8 | N | N | N | N | N | | % 1/x | 158x86x36 | | 4xAA sealed | Y | | | | | |
| B3-14 | | | <=1975 | >=1981 | 4 funct | 2007_09_30 | N | 0 | | 7 | N | 21 | VFD | 8 | N | N | N | N | N | | Sqrt % 1/x | 125x74x31 | | 3xAA | Y | | | | | |
| B3-14K | | | 197x | | 4 funct | 2007_09_30 | N | | | | N | | | | N | N | N | N | N | | | 124x73x30 | 300gr | | | | | | | |
| B3-14M | | | <=1975 | >=1978 | 4 funct | 2007_09_30 | N | 0 | | 6 | N | 20 | VFD | 8 | N | N | N | N | N | | Sqrt 1/x | 130x74x32 | | 4xAA | 6VDC | | Corvus 312 | | | Exists in at least 2 differents cases, 1 is a Corvus 312. |
| C3-15 | | 1 | <=1975 | >=1980 | Scient | 2007_10_05 | N | 2 | | 21+3mem | N | 36 | LED | 15 (10 1/2 + 2 1/2) | N | N | N | N | N | | lg ln e^x sin cos tg asin acos atg 1/x Sqrt /P/ y^x ( ) +/- Pi 33M CY BM | 170x90x32 | | 4xsealed | 6VDC | 1W | | | | Unique magnitude function. |
| C3-15 | | 2 | <=1975 | >=1980 | Scient | 2007_10_05 | N | 2 | | Scientific | N | | LED | 15 (10 1/2 + 2 1/2) | N | N | N | N | N | | Scientific | | | Y | Y | | | | | Unique magnitude function. |
| C3-15 | | 3 | <=1975 | >=1980 | Scient | 2007_10_10 | N | 2 | | 21+3mem | N | 36 | LED | 15 (10 1/2 + 2 1/2) | N | N | N | N | N | | sin cos tg asin acos atg lg ln e^x y^x +/- Sqrt /P/ ( ) 1/x Pi 3M M-> ->M | 200x170x48 | | Y | Y | | MK-15 | | | Unique magnitude function. |
| B3-16 | | | 197x | | 4 funct | 2007_09_30 | N | 0 | | 7 | N | 21 | VFD | 8 | N | N | N | N | N | | Sqrt % 1/x | 125x74x31 | | 3xAA | Y | | | | | |
| B3-18 | | | <=1975 | >=1976 | Scient | 2007_09_30 | N | 1 | | 21+6mem | N | 20 | VFD | 8 1/2 | N | N | N | N | N | | <-> +/- ln lg Sqrt e^x 10^x x^y sin cos tg Pi 1/x asin acos atg DR X<>M X<-M X->M M+X^2 M+ M- | 156x84x24? | 278gr with batt | 4xSealed | 6VDC | | Rockwell 61R | | | Exists in different designs. |
| B3-19M | | | <=1975 | >=1982 | Scient | 2007_10_03 | N | 1 | | 21+2mem | N | 20 | LED | 8 1/2 or 7 1/2 + 2 1/2 | N | N | N | N | N | | n +/- e^x x^y sin cos tan asin acos atan Sqrt lg 1/x ln x<>y x->m m->x | 166x87x41 | 400gr | 4xSealed batt | 5VDC | | RFT Konkret 600 | | | RPN |
| B3-23 | | | ~1976 | >=1985 | 4 funct | 2007_10_10 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | | % | 154x80x28 | 230gr | 3xAA sealed | Y | | MK 23 | | | |
| B3-23A | | | ~1977 | | 4 funct | 2007_10_03 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | | Sqrt | 154x80x28 | | 3xAA | Y | | | | | Same as B3-23 but '%' is replaced by 'Sqrt' |
| B3-26 | | | c1976 | >=1982 | 4 funct | 2007_10_03 | N | 1 | | 8+4mem | N | 20 | VFD | 8 | N | N | N | N | N | | Sqrt % <> +/- CM M-> M+ M- | 138x80x32 | | 4xAA | Y | | | | | |
| B3-26A | | | <=1977 | >=1977 | 4 funct | 2007_10_03 | N | 1 | | 8+4mem | N | 20 | LED | 8 | N | N | N | N | N | | Sqrt % <> +/- CM M-> M+ M- | 138x80x32 | | Y | Y | | | | | |
| B3-26G | | | 197x | | 4 funct | 2007_09_27 | N | 1 | | 4+3mem | N | 20 | LED | 8 | N | N | N | N | N | | CM M-> M+ | | | 3xAA | Y | | | | | |
| B3-37 | | | ~1976? | >=1991 | Scient | 2007_10_03 | N | 1 | | 21+6mem | N | 20 | LED | 8 | N | N | N | N | N | | <> +/- DR 1/x ln lg Sqrt Pi e^x 10^x x^y sin cos tg asin acos atg X<>M M- M+ M+X^2 ->M M-> | 155x78x28 | | 3xAA | Y | | MK 37 | | | |
| B3-18A | | | <=1977 | >=1979 | Scient | 2007_09_30 | N | 1 | | 21+6mem | N | 20 | VFD | 8 1/2 | N | N | N | N | N | | <-> +/- ln lg Sqrt e^x 10^x x^y sin cos tg Pi 1/x asin acos atg DR X<>M X<-M X->M M+X^2 M+ M- | 156x84x24? | | Sealed batt | 6VDC | | Rockwell 61R | | | Exists in different designs. |
| B3-18K | | | 197x | | | 2007_09_30 | N | | | | N | | | | N | N | N | N | N | | | | | | | | | | | |
| B3-18M | | | <=1977 | 198x | Scient | 2007_10_10 | N | 1 | | 21+6mem | N | 20 | VFD | 8 1/2 | N | N | N | N | N | | <-> +/- ln lg Sqrt e^x 10^x x^y sin cos tg Pi 1/x asin acos atg DR X<>M X<-M X->M M+X^2 M+ M- | 170x85x25 | 340gr | 4xAA sealed | 6VDC | | Rockwell 61R, MK 18M | | | Exists in different designs. |
| B3-25A | | 1 | c1977 | | 4 funct | 2007_10_03 | N | 0 | | 6 | N | 19 | VFD | 8 | N | N | N | N | N | | <> +/- | 157x85x33 | | 4xSealed batt | Y | | | | | |
| B3-25A | | 2 | c1977 | | Scient | 2007_10_03 | N | 1 | | 21+6mem | N | 20 | VFD | 8 1/2 | N | N | N | N | N | | <-> +/- ln lg Sqrt e^x 10^x x^y sin cos tg Pi 1/x asin acos atg DR X<>M X<-M X->M M+X^2 M+ M- | 157x85x33 | | 4xSealed batt | Y | | | | | |
| C3-27 | C3/27 | | <=1977 | >=1979 | 4 funct | 2007_10_05 | N | 0 | | 5 | N | 18 | VFD | 8 1/2 | N | N | N | N | N | | +/- | 167x79x21 | 200gr | 3xAA | N | 0.4W | | | | |
| C3-27A | C3/27A | | <=1977 | >=1979 | 4 funct | 2007_10_05 | N | 0 | | 5 | N | 18 | VFD | 8 1/2 | N | N | N | N | N | | +/- | 167x79x21 | 200gr | 3xAA | Y | 0.4W | | | | |
| B3-21 | | LED | <=1977 | >=1979 | Scient Prog | 2007_10_03 | Y | 13+60steps | | Scient Prog | N | 29 | LED | 8+2 | N | N | N | N | N | | Scient Prog | 188x101x49 | 390gr | 4xSealed | 5VDC | 1W | | | | RPN |
| B3-21 | | VFD | <=1979 | >=1980 | Scient Prog | 2007_10_03 | Y | 13+60steps | | Scient Prog | N | 29 | VFD | 8+2 | N | N | N | N | N | | Scient Prog | 188x101x49 | 390gr | 4xSealed | 5VDC | 1W | | | | RPN |
| B3-24 | | | ~1978 | | 4 funct | 2007_10_03 | N | 1 | | 6+2mem | N | 20 | LED | 8 | N | N | N | N | N | | K +/- M-> M+ | | | Y | Y | | | | | |
| B3-24G | | | 197x | | 4 funct | 2007_10_03 | N | 1 | | 4+3mem | N | 20 | LED | 8 | N | N | N | N | N | | CM M-> M+ | 154x80x28 | 280gr | 3xAA | Y | | | | | |
| C3-33 | | | <=1978 | >=1981 | 4 funct | 2007_10_10 | N | 1 | | 8+4mem | N | 25 | LED | 8 1/2 | N | N | N | N | N | | <> % 1/x +/- CM M+ M- M-> | 131x70x13 | 120gr | 4x | | | MK 33 version 1 | | | |
| B3-39 | | | <=1979 | >=1983 | 4 funct | 2011_10_07 | N | 0 | | 6 | N | 20 | YLCD | 8+indic | N | N | N | N | N | | Sqrt % | 110x66x8 | 65gr | 3xbutton cell | Y | | ~Sharp EL-8020, Elorg 39 | | | Exists in cyrillic or latin lettering. |
| B3-54 | | | 197x/8x | | Scient Prog | 2007_09_27 | Y | 14+98steps | | Scientific | N | | VFD | 8+2 | N | N | N | N | N | | Scient Prog | | | Y | | | | | | RPN |
| PPV | | | 197x/198x | | Scient | 2007_09_28 | Y | 1 | | 25+9mem | N | 25 | VFD | 8 1/2 + 2 1/2 | N | N | N | N | N | | +/- [( )] Pi <> 1/x e^x 10^x y^x ln lg Sqrt sin cos tg asin acos atg P->R R->P n! BM ->M CM Mx M/ M+ M- X<>M ->M | | | Y | ? | | | | | Desktop model with calendar, memo pad and pen holder. |
| B3-30 | | | <=1978 | >=1982 | 4 funct | 2007_10_03 | N | 0 | | 6 | N | 20 | YLCD | 8+indic | N | N | N | N | N | | Sqrt % | 110x66x8 | | 2x | Y | | ~Sharp EL-8020 | | | |
| B3-34 | | | c1978 | 1985 | Scient Prog | 2007_09_27 | Y | 14+98steps | | Scientific | N | 30 | VFD | 8 1/2 + 2 1/2 | N | N | N | N | N | | Scient Prog | 182x92x38 | 390gr | 4xSealed | 5VDC | 0,4W | | | | RPN |
| B3-35 | | | <=1979 | >=1984 | Scient | 2007_10_10 | N | 1 | | 25+9mem | N | 25 | VFD | 8 1/2 + 2 1/2 | N | N | N | N | N | | +/- [( )] Pi <-> 1/x e^x 10^x y^x ln lg Sqrt sin cos tg asin acos atg P->R R->P n! ->M CM Mx M/ M+ M- X<>M M-> | 143x79x22 | 250gr | 4x | Y | | MK 35 | | | |
| B3-36 | | LED | ~1980 | >=1980 | Scient | 2007_10_03 | N | 1 | | Scientific | N | 25 | LED | | N | N | N | N | N | | Scientific | 146x76x | | Sealed batt | Y | | | | | |
| B3-36 | | VFD | <=1980 | >=1985 | Scient | 2007_10_10 | N | 1 | | 25+8mem | N | 25 | VFD | 8 1/2 + 2 1/2 | N | N | N | N | N | | +/- [( )] Pi <-> 1/x e^x 10^x y^x ln lg Sqrt sin cos tg asin acos atg P->R R->P n! ->M CM Mx M/ M+ M- X<>M M-> | 145x79x15 | 200gr | 3x | 5VDC | | ~Rockwell the 74K, MK 36 | | | |
| B3-36A | | | 198x | | | 2007_10_03 | N | 1 | | | N | | LED | | N | N | N | N | N | | | | | Y | Y | | | | | |
| B3-32 | | | <=1981 | >=1983 | Scient | 2007_10_03 | N | 1 | | 25+5mem | N | 29 | VFD | 8 | N | N | N | N | N | | [( )] +/- sin cos tg 1/x det asin acos atg X^y Xxx ln lg Pi X^2 e^x 10^x CN Sqrt STO RCL EEX X<>M M+ | 120x73x31 | 300gr | 3xAA | Y | | | | | Determinants and roots of quadratic equations. |
| MK-54 | MK 54 | | <=1981 | >=1985 | Scient Prog | 2007_10_08 | Y | 14+98steps | | Scient Prog | N | 30 | VFD | 8+2 | N | N | N | N | N | | Scient Prog | 165x76x38 | 320gr | 3xAA | 5VDC 0.1A | | | | | RPN |
| MK 47 | | | 198x | | Scient Prog | 2007_09_27 | Y | 8+60steps | | Scient Prog | N | | VFD | 8+2 | N | N | N | N | N | | Scient Prog | 185x100x48 | 380gr | Y | Y | | | | | RPN |
| MK-40 | MK 40 | | <=1982 | >=1982 | 4 funct printer | 2007_10_08 | N | 1 | | 7+4mem | N | 27 | VFD | 9 | N | N | Y | N | N | | S Sigma % M-> M-= M+= CM # ^ | 275x90x80 | | 4x | Y | | SERD 21PD-N | | | |
| MK-57 | | | <=1982 | >=1982 | 4 funct | 2007_09_27 | N | 1 | | 8+4mem | N | 25 | LED | 8 1/2 | N | N | N | N | N | | Sqrt <> +/- % CM M-> M- M+ | | | 3xAA | Y | | | | | |
| MK 57A | | | <=1992 | >=1992 | 4 funct | 2007_10_08 | N | 1 | | 8+4mem | N | 25 | VFD | 8 1/2 | N | N | N | N | N | | Sqrt <> +/- % CM M-> M- M+ | 155x78x28 | | 3xAA | Y | 0,45W | | | | Exists in severals colors. |
| MK 57B | | | 198x | | 4 funct | 2007_10_08 | N | 1 | | 8+4mem | N | 25 | VFD | 8 1/2 | N | N | N | N | N | | Sqrt <> +/- % CM M-> M- M+ | | | 3xAA | Y | 0,45W | | | | Exists in severals colors. |
| MK 60 | MK-60 | | <=1982 | >=1993 | 4 funct | 2010_10_30 | N | 1 | | 7+4mem | N | 25 | LCD | 8+indic | N | N | N | N | N | | Sqrt % +/- CM M->x M- M+ | 115x65x9 | | ? | solar | | | | | |
| MK 60M | | | 198x | | 4 funct | 2007_10_08 | N | 1 | | 7+4mem | N | 25 | LCD | 8+indic | N | N | N | N | N | | Sqrt % +/- CM M->x M- M+ | | | ? | solar | | | | | |
| MK 61 | | | <=1983 | >=1993 | Scient Prog | 2007_09_27 | Y | 15+105steps | | Scient Prog | N | 30 | VFD | 8 1/2 + 2 1/2 | N | N | N | N | N | | Scient Prog | 165x80x38 | | 3xAA | 5VDC 0.1A | 0,6W | | | | RPN |
| MK 33 | | 1 | <=1983 | >=1991 | 4 funct | 2007_10_10 | N | 1 | | 8+4mem | N | 25 | LED | 8 1/2 | N | N | N | N | N | | <> % 1/x +/- M-> M- M+ CN | 130x69x13 | | 3xcell or 4xcell | Y | | C3-33 | | | |
| MK 33 | | 2 | 198x | >=1992 | 4 funct | 2007_10_07 | N | 1 | | 8+4mem | N | 25 | LED | 8 1/2 | N | N | N | N | N | | <> % Sqrt +/- M-> M- M+ CN | 130x69x13 | | 3xcell or 4xcell | Y | | | | | |
| MK 51 | | | <=1983 | >=1993 | Scient Stat | 2007_10_08 | N | >=1 | | Scient Stat | N | 37 | LCD | 9+indic | N | N | N | N | N | | Scient Stat | 128x78x9 | | 1x | | 0.001W | Elorg 51 | | | Exists in at least 2 variants. |
| MK 52 | MK-52 | | <=1983 | >=1992 | Scient Prog | 2007_10_08 | Y | 15+105steps | 512Bytes prog module | Scient Prog | N | 32 | VFD | 8 1/2 + 2 1/2 | N | Y | N | N | N | | Scient Prog | 76x210x38 | 250gr | 4xAA | 6VDC | 0.7W | | | | RPN. ROM cartridges available. Exists in severals colors. |
| MK 53 | MK-53 | | <=1983 | >=1983 | 4 funct+time | 2007_10_08 | N | 1 | | 6+4mem+9time | N | 27 | LCD | 8+indic | N | N | N | N | Y | | Sqrt % CM M-> M-= M+= +time | 95x60x6 | 50gr | 2x1.5Vcell | N | 0.00006W | | | | |
| B3-38 | | | ~1984 | | Scient+stat | 2007_10_10 | N | >=1 | | 37+7mem | N | 22 | LCD | 9+indic | N | N | N | N | N | | "[( )] r PAD Dr Sqrt 1/x lg ln x^y sin cos tg °'"" +/- sigma x^2 n! 10^x e^x x^(1/x) sigman sigman-1 asin acos atg Sigmax^2 Sigmax Pi x cn n meanx ->M M-> CM X<>M VM M+ M-" | 55x91x4 | 80gr | 2x1.5Vcell | N | <=0.0006W | MK 38, Elorg 38 | | | |
| MK 38 | | | ~1984 | | Scient+stat | 2007_10_10 | N | >=1 | | 37+7mem | N | 22 | LCD | 9+indic | N | N | N | N | N | | "[( )] r PAD Dr Sqrt 1/x lg ln x^y sin cos tg °'"" +/- sigma x^2 n! 10^x e^x x^(1/x) sigman sigman-1 asin acos atg Sigmax^2 Sigmax Pi x cn n meanx ->M M-> CM X<>M VM M+ M-" | 55x91x4 | 80gr | Y | N | | B3-38, Elorg 38 | | | |
| MK 15 | | | <=1986 | >=1986 | Scient | 2007_10_10 | N | 1 | | 21+3mem | N | 36 | LED | 10 1/2 2 1/2 | N | N | N | N | N | | sin cos tg asin acos atg lg ln e^x y^x +/- Sqrt /P/ ( ) 1/x Pi 3M M-> BM | | | Y | Y | | C3-15 version 3 | | | |
| MK 18M | | | <=1986 | >=1988 | Scient | 2007_10_10 | N | 1 | | 21+6mem | N | 20 | VFD | 8 1/2 | N | N | N | N | N | | <-> +/- ln lg Sqrt e^x 10^x x^y sin cos tg Pi 1/x asin acos atg DR X<>M X<-M X->M M+X^2 M+ M- | 170x85x25 | | 4xAA | 6VDC | <=0,7W | Rockwell 61R, B3-18M | | | |
| MK 36 | | | <=1986 | >=1988 | Scient | 2007_10_10 | N | 1 | | 25+9mem | N | 25 | VFD | 8 1/2 + 2 1/2 | N | N | N | N | N | | +/- [( )] Pi <> 1/x e^x 10^x y^x ln lg Sqrt sin cos tg asin acos atg P->R R->P n! BM ->M CM Mx M/ M+ M- X<>M ->M | 146x77x14 | | 3x | Y | | ~Rockwell the 74K, B3-36 | | | |
| MK 71 | | | <=1986 | >=1989 | Scient Stat | 2007_10_09 | N | >=1 | | Scient Stat | N | 38 | LCD | 10+indic | N | N | N | N | N | | Scient Stat | | | ? | solar | | | | | |
| MK 72 | | | 198x | | | 2007_10_09 | N | | | | N | | | | N | | | N | N | | | | | | | | | | | |
| MK 85 | | | <=1986 | >=1986 | Scient Prog | 2007_10_09 | Y | 2KBytes | | Scient Prog | Y | 54 | LCD | 12+indic | N | Y | Ext | Y | N | | Basic | 73x165x11 | 200gr | 4x1.5Vcell | Y | | Casio | | | |
| MK 85C | | | 199x | 1995 | Cryptographic | 2007_10_09 | Y | | | Cryptographic | Y | 54 | LCD | 12+indic | N | Y | Ext | Y | N | | Cryptographic | 73x165x11 | 200gr | 4x1.5Vcell | Y | 0.02W | Casio | | | Cryptographic calculator. |
| MK 85M | | | <=1986 | >=1995 | Scient Prog | 2007_10_09 | Y | 6KBytes | | Scient Prog | Y | 54 | LCD | 12+indic | N | Y | Ext | Y | N | | Basic | 73x165x11 | 200gr | 4x1.5Vcell | Y | 0.02W | Casio | | | |
| MK 90 | | | <=1986 | >=1991 | Scient Prog | 2007_09_27 | Y | 16KBytes 11824Bytes available | 32KBytes | Scient Prog | Y | 63 | LCD | 8lines 20char | 120x64 | Y | Ext | Y | N | | Basic | 107x258x34 | 700gr | 4xAA | Y | 0,55W | | | | Uses MK 92 as printer and casset interface. |
| MK 23 | | | <=1987 | >=1987 | 4 funct | 2007_10_10 | N | 0 | | 5 | N | 18 | LED | 8 | N | N | N | N | N | | % | 152x77x25 | | 3xAA | 4V5 | | B3-23 | | | |
| MK 23A | | | <=1987 | >=1987 | 4 funct | 2007_09_27 | N | 0 | | 5 | N | 18 | VFD | 8? | N | N | N | N | N | | Sqrt | | | 3xAA | Y | 0,45W | | | | |
| MK 62 | | | <=1987 | >=1987 | 4 funct | 2007_10_08 | N | 1 | | 7+4mem | N | 25 | YLCD or LCD | 8+indic | N | N | N | N | N | | Sqrt % +/- CM M->x M- M+ | 113x66x8 | 58gr | 2x | N | | | | | |
| MK 87 | | | <=1987 | >=1987 | Diary | 2007_10_09 | N | | | Diary | Y | 77 | LCD | 2 displays | N | N | N | mem | Y | | Diary | | | Y | N | | | | | |
| MK 26 | | | <=1986 | >=1988 | 4 funct | 2010_10_30 | N | 1 | | 8+4mem | N | 25 | LED | | N | N | N | N | N | | Sqrt % <> /-/ CM M-> M+ M- | 135x77x | | 4xAA | Y | 0.6W | | | | |
| MK 35 | | | <=1989 | >=1989 | Scient | 2007_10_10 | N | 1 | | 25+9mem | N | 25 | VFD | 8 1/2 + 2 1/2 | N | N | N | N | N | | +/- [( )] Pi <> 1/x e^x 10^x y^x ln lg Sqrt sin cos tg asin acos atg P->R R->P n! BM ->M CM Mx M/ M+ M- X<>M ->M | 143x79x22 | 250gr | 4xbatt | Y | | B3-35 | | | |
| MK 37 | | | <=1989 | >=1993 | Scient | 2007_10_07 | N | 1 | | 21+6mem | N | 20 | LED | 8 | N | N | N | N | N | | <> +/- DR 1/x ln lg Sqrt Pi e^x 10^x x^y sin cos tg asin acos atg X<>M M- M+ M+X^2 ->M M-> | 155x78x28 | | 3xAAsealed | 4V5DC | 0,45W | B3-37 | | | |
| MK 37A | | | <=1991 | >=1991 | Scient | 2007_10_07 | N | 1 | | 21+6mem | N | 25 | VFD | 8 | N | N | N | N | N | | <> +/- DR 1/x ln lg Sqrt Pi e^x 10^x x^y sin cos tg asin acos atg X<>M M- M+ M+X^2 ->M M-> | 155x78x28 | | 3xAAsealed | 4V5DC | 0,45W | | | | |
| MC-12 | Integral MK-12 | | 199x | | 4 funct | 2007_10_06 | N | | | | N | | LCD | | N | N | N | N | | | | | | Y | | | | | | |
| MC-14 | Integral MK-14 | | 199x | | 4 funct | 2007_10_06 | N | | | | N | | LCD | | N | N | N | N | | | | | | Y | | | | | | |
| MK 93 | | | <=1990 | >=1992 | 4 funct+time | 2007_09_27 | N | 1 | | 6+4mem+9time | N | 27 | LCD | 8+indic | N | N | N | N | Y | | Sqrt % CM M-> M-= M+= | 100x139x20 | 125gr | 2x1.5Vcell | N | | | | | |
| MK 68 | | | <=1991 | >=1994 | 4 funct | 2007_10_09 | N | 1 | | 7+4mem | N | 25 | LCD | 8+indic | N | N | N | N | N | | Sqrt % +/- CM M->x M- M+ | 117x65x11 | 80gr | | solar | | | | | |
| MK 94A | | | <=1991 | >=1997 | 4 funct | 2007_10_09 | N | 1 | | 7+4mem | N | 25 | LCD | 8+indic | N | N | N | N | N | | Sqrt % +/- CM M->x M- M+ | 130x106x26 | | Y | solar | | | | | |
| MK 66 | | | <=1992 | >=1992 | Scient | 2007_10_09 | N | 1 | | 25+9mem | N | 25 | VFD | | N | N | N | N | N | | +/- [( )] Pi <> 1/X e^x 10^x y^x ln lg Sqrt sin cos tg asin acos atg P->R R->R n! BM 3M CM Mx M/ M+ M- x<>M RM | 155x78x28 | | 3x | Y | | | | | |
| MK 66A | | | <=1992 | >=1992 | Scient | 2007_10_09 | N | 1 | | 25+9mem | N | 25 | VFD | | N | N | N | N | N | | +/- [( )] Pi <> 1/X e^x 10^x y^x ln lg Sqrt sin cos tg asin acos atg P->R R->R n! BM 3M CM Mx M/ M+ M- x<>M RM | 155x78x28 | | 3x | Y | | | | | |
| MK 91 | | | <=1992 | >=1992 | 4 funct | 2007_10_09 | N | 1 | | 12+4mem | N | 31 | LCD | 12+indic | N | N | N | N | N | | | 175x185x20 | | ? | solar | | | | | |
| MK-95 | | | 199x | | Scient Prog | 2007_10_09 | Y | | | Scient Prog | Y | 63 | LCD | 16lines 40char | 240x128 | | | | | | Scient Prog | 114x267x38 | | 4xAA | Y | | | | | |
| MK 69 | | | <=1993 | >=1996 | 4 funct | 2007_10_09 | N | 1 | | 7+4mem | N | 24 | LCD | 8+indic | N | N | N | N | N | | Sqrt % +/- CM M->x M- M+ | 119x69x11 | 90gr | 1x1.5V | N | | | | | |
| MK 104 | | | <=1993 | >=1993 | Scient | 2007_10_09 | N | >=1 | | Scient Stat | N | 37 | LCD | | N | N | N | N | N | | Scient Stat | | | Y | N | | | | | |
| MK 77 | | | <=1996 | >=1997 | Scient | 2007_10_09 | N | >=1 | | Scient Stat | N | 37 | LCD | 9+indic | N | N | N | N | N | | Scient Stat | 79x151x9 | | 2x | | 0.001W | | | | |
| MK 107 | | | <=1996 | >=1997 | 4 funct | 2007_10_09 | N | 1 | | 7+4mem | N | 25 | LCD | 8+indic | N | N | N | N | N | | Sqrt % +/- CM M->x M- M+ | 119x65x11 | | | solar | | | | | |
| MK-98 | | | ~1998 | | Scient Prog | 2007_10_09 | Y | 128KBytes | 128KBytes | Scient Prog | Y | 63 | LCD | 16lines 40char | 240x128 | Y | Ext | Y | N | 80c86 compatible | Scient Prog | 114x267x38 | | 4xAA | Y | | | | | |
| MC-11 | Integral MK-11 | | <=1999 | >=1999 | 4 funct | 2007_10_06 | N | 1 | | 6+3mem | N | 23 | LCD | 8+indic + 4 | N | N | N | N | Y | | Sqrt % MRC M- M+ | 160x100x12 | | Y | solar | | | | | |