| Manufacturer | Model | Display | # Digits | # Memory | Decimal System | Weight | Size | Notes |
| Accurate Calculator Corp. | 200 | Digitron | 12 | 1 | Fix & Float | |||
| Accurate Calculator Corp. | 200P | Printing | 12 | 1 | Fix & Float | |||
| Addmaster Corp. | Math II | Printing | 10 | 1 | Fix & Float | |||
| Addmaster Corp. | Math III | Printing | 12 | 1 | Fix & Float | |||
| Addmaster Corp. | Memory 12 | Panaplex | 12 | 2 | Fix & Float | |||
| Addmaster Corp. | Simplex 12 | Panaplex | 12 | 1 | Fix & Float | |||
| Addo-Sabatronic | 9917 | Printing | 18 | Y | Y | |||
| Addo (Facit) | 9102-1 | Printing | 10 | 1 | Fix & Float | |||
| Addo (Facit) | 9102-2 | Printing | 10 | 1 | Fix & Float | |||
| Addo-X | 9354 | Digitron | 8 | 0 | Fixed | |||
| Addo-Xonic | 9357 | Nixie | 14 | Y | Y | |||
| Addo-X | 9364 | ? | 8 | Y | Y | |||
| Addo-X | 9366 | Digitron | 12 | 0 | Fix & Float | |||
| Addo-X | 9628 | Printing | 16 | 1 | Fix & Float | |||
| Addo-Xonic | 9657 | Nixie | 14 | Y | Y | |||
| Addo-X | 9666 | Digitron | 12 | 1 | Fix & Float | |||
| Addo-Xonic | 9667 | Nixie | 14 | Y | Y | |||
| Addo-X | 9677 | Nixie | 14 | 1 | Fix & Float | |||
| Addo-Xonic | 9958 | Nixie | 14 | Y | Y | |||
| Addo-X | 9968 | Nixie | 16 | 2 | Fix & Float | |||
| Addo-X | D1 | Nixie | 16 | 0 | Fixed | 3 | ||
| Addo-X | D2 | Mosaic | 8 | 1 | Fix & Float | 3 | 7x10x3 | |
| Addo-X | D3 | Mosaic | 8 | 0 | Fix & Float | 3 | 7x10x3 | |
| Addo-X | D4 | Mosaic | 12 | 0 | Fixed | 3 | 7x10x3 | |
| Addo-X | D4 X | Mosaic | 12 | 0 | Fixed | 3 | 7x10x3 | |
| Addo-X | D5 | Mosaic | 12 | 1 | Fix & Float | 3 | 7x10x3 | |
| Addo-X | D5 X | Mosaic | 12 | 1 | Fix & Float | 3 | 7x10x3 | |
| Addo-X | P1 | Printing | 14 | 1 | Fix & Float | 12 | ||
| Addo-X | P14 | Printing - electronic | 14 | 1 | Fix & Float | 17 | 7.3/4x15.3/4x9.1/2 | |
| Adler | 800 | Digitron | 8 | 0 | Floating | 3.1 | "mini" | |
| Adler | 804 | Digitron | 8 | 1 | Floating | 3 | ||
| Adler | 804AD | Digitron | 8 | 1 | Fix & Float | 3 | ||
| Adler | 805 | Digitron | 8 | 0 | Floating | 3 | 9x7x2 | |
| Adler | 805AD | Digitron | 8 | 0 | Floating | 3 | 9x7x2 | |
| Adler | 814 | Digitron | 8 | 1 | Fix & Float | 3 | ||
| Adler | 814AD | Digitron | 8 | 1 | Fix & Float | 3 | ||
| Adler | 815 | Digitron | 8 | 1 | Fix & Float | 3 | ||
| Adler | 815AD | Digitron | 8 | 1 | Fix & Float | 3 | ||
| Adler | 1200 | Digitron | 12 | 0 | Fixed | 6 | ||
| Adler | 1204 | Digitron | 12 | 0 | Fix & Float | |||
| Adler | 1204P | Printer | 12 | 0 | Fix & Float | 10 | 14x9x4 | |
| Adler | 1205 | Digitron | 12 | 0 | Fix & Float | 3 | 9x7x2 | |
| Adler | 1210 | Digitron | 12 | 1 | Fixed | 6 | ||
| Adler | 1214 | Digitron | 12 | 1 | Fix & Float | 3 | ||
| Adler | 1214P | Printer | 12 | 1 | Fix & Float | 10 | 14x9x4 | |
| Adler | 1215 | Digitron | 12 | 1 | Fix & Float | 3 | 9x7x2 | |
| Adler | 1215S | Digitron | 12 | 1 | Fix & Float | 3 | 9x7x2 | |
| Adler | 1414P | Printing | 14 | 1 | Fix & Float | 12 | 14.1/2x10.1/4x4.7/8 | |
| Adler | 1620 | Digitron | 16 | 2 | Fixed | 10 | 14x12x4 | |
| Adler | 1622 | Display | 16 | 2 | Fixed | 10 | 14x12x4 | |
| APF | Mark I | Neon Tube | 8 | 0 | Fixed | |||
| APF | Mark XII | Neon Planar | 8 | 0 | Fixed | |||
| Americana Interstate Corp. U.S. 8 | Neon | 8 | 0 | Fix & Float | ||||
| Bohn Rex-Rotary | Omnitrex 8 | Digitron | 8 | 0 | None | |||
| Bohn Rex-Rotary | Omnitrex 12 | Digitron | 12 | 0 | Floating | |||
| Bowmar | TX-100 | Neon | 10 | 0 | Fix & Float | |||
| Bowmar | TX-400 | Display | 8 | 0 | Floating | 1.15/16 | 9x6.1/2x2.1/2 | |
| Bowmar | TX-1000 | Display | 10 | 0 | Floating | 1.15/16 | 9x6.1/2x2.1/2 | |
| Bowmar | TX-1200 | Display | 12 | 4 | Floating | 2.1/8 | 9x6.1/2x2.1/2 | |
| Brother International | 310 | Mosaic/Itron | 10 | 1 | None/Floating? | 4.8 | ||
| Brother International | 408 | Itron | 8 | 0 | Floating | |||
| Brother International | 408AY | Itron | 8 | 0 | Floating | |||
| Brother International | 412 | Nixie | 12 | 1 | Floating | |||
| Brother International | 412A | Itron | 12 | 1 | Floating | 4.8 | ||
| Brother International | 512 | Itron | 12 | 1 | Fixed | 10.8 | ||
| Brother International | 514 | Nixie/Itron? | 14 | 2/1? | Fixed | 10.8 | ||
| Brother International | 612P | Printing | 12 | 0 | Fix & Float | |||
| Brother International | 614 | Printing | 14 | 2/1? | Fixed | 27.5 | ||
| Burroughs | C2215 | Printing | 14 | 1 | Fix & Float | 11.8 | 10x5x13 | |
| Burroughs | C2315 | Printing | 14 | 2 | Fix & Float | 11.8 | 10x5x13 | |
| Burroughs | C3100 | Nixie | 12 | 0 | Y | |||
| Burroughs | C3103 "Simplex" | Mosaic/Digitron? | 12 | 0 | Fix & Float | 8.5 | ||
| Burroughs | C3120 | Nixie | 12 | Y | Y | |||
| Burroughs | C3123 "Simplex" | Mosaic/Digitron? | 12 | 0 | Fix & Float | 11 | ||
| Burroughs | C3146 | Itron | 8 | 0 | Floating | 5.5 | Built-in battery, Car lighter optional $11 | |
| Burroughs | C3155 | Itron | 8 | 0 | Floating | 4 | ||
| Burroughs | C3200 | Nixie | 14 | Y | Y | |||
| Burroughs | C3260 | Itron | 8 | 1 | Floating | 4.5 | ||
| Burroughs | C3203 "Duplex" | Mosaic/Digitron? | 12 | 1 | Fix & Float | 8.5 | ||
| Burroughs | C3205 "Duplex Deluxe" | Nixie | 12 | 1 | Fix & Float | 8.5 | ||
| Burroughs | C3207 "Duplex Deluxe" | Nixie | 14 | 1 | Fix & Float | 8.5 | ||
| Burroughs | C3223 "Duplex" | Mosaic/Digitron? | 12 | 1 | Fix & Float | 11 | ||
| Burroughs | C3225 | Digitron | 12 | Y | Fix & Float | 11 | ||
| Burroughs | C3227 "Duplex Deluxe" | Mosaic/Digitron? | 14 | 1 | Fix & Float | 11 | ||
| Burroughs | C3300 | Nixie | 16 | Y | Y | |||
| Burroughs | C3316 "Triplex" | Nixie | 16 | 2 | Fix & Float | 14 | Sq. Root | |
| Burroughs | C3317 "Programmable" | Nixie | 16 | 2 | Fix & Float | 14 | Sq. Root,Programmable 64-step core memory | |
| Burroughs | C3327 "Triplex" | Mosaic/Digitron? | 14 | 2 | Fix & Float | 11 | ||
| Burroughs | C3350 | Nixie | 16 | 2 | Fixed | Sq. Root | ||
| Burroughs | C3660 | Nixie | 16 | 10 | Floating | 17.7 | 13x5x6 | Sq. Root, Programmable, Magnetic Card |
| Burroughs | C3661 | Nixie | 16 | 10 | Floating | 17.7 | 13x5x6 | Sq.Root,Programmable, Magnetic Card |
| Burroughs | C4215 | Printing | 16 | 1 | Fix & Float | 29 | ||
| Burroughs | C4315 | Printing | 16 | 2 | Fix & Float | 29 | ||
| Burroughs | C5155 | Panaplex | 10 | 0 | Fix & Float | 6.8 | 8x11x4 | |
| Burroughs | C5255 | Panaplex | 10 | 1 | Fix & Float | 6.8 | 8x11x4 | |
| Burroughs | C5205 | Panaplex | 14 | 1 | Fix & Float | 7.3 | 10x4x11 | |
| Burroughs | C5305 | Panaplex | 14 | 2 | Fix & Float | 7.3 | 10x4x11 | |
| Burroughs | C6201 | Printing | 14 | 5 | Fix & Float | 11.8 | 10x5x13 | 7 preprogrammed apps |
| Burroughs | C6202 | Printing | 14 | 5 | Fix & Float | 11.8 | 10x5x13 | 9 preprogrammed apps |
| Burroughs | C6203 | Printing | 14 | 5 | Fix & Float | 11.8 | 10x5x13 | Financial |
| Burroughs | C7201 | Printing | 14 | 16 | Fix & Float | 20.3 | 16x15x4.5 | Programmable 204 steps |
| Burroughs | C7202 | Printing | 14 | 16 | Fix & Float | 20.3 | 16x15x4.5 | Programmable 408 steps |
| Burroughs | C7203 | Printing | 14 | 16 | Fix & Float | 20.3 | 16x15x4.5 | Programmable 816 steps |
| Busicom U.S.A. | 80DA | Itron | 8 | 0 | Fix & Float | 1.5 | ||
| Busicom U.S.A. | 80DB "Exec" | Panaplex | 8 | 0 | Fix & Float | 2.2 | 4x7x2 | |
| Busicom U.S.A. | 80DC | Itron | 8 | 0 | Fix & Float | |||
| Busicom U.S.A. | 100DA | Panaplex | 10 | 0 | Fix & Float | 2.4 | 6.9x9.5x2.6 | |
| Busicom U.S.A. | 120DA | Display | 12 | 0 | Y | |||
| Busicom U.S.A. | 120DB | Digitron | 12 | 0 | Fixed | |||
| Busicom U.S.A. | 120DC | Itron | 12 | 0 | Fixed | 1.5 | Battery-Operated | |
| Busicom U.S.A. | 121DB | Digitron | 12 | 1 | Fixed | |||
| Busicom U.S.A. | 121DK | Itron | 12 | 1 | Fix & Float | 2 | ||
| Busicom U.S.A. | 121DL "Exec" | Panaplex | 12 | 1 | Fix & Float | 2.8 | 6.5/8x9.1/2x2.5/8 | |
| Busicom U.S.A. | 121PA | Printing | 12 | 1 | Fixed | |||
| Busicom U.S.A. | 121PL | Printing | 12 | 1 | Fixed | 13 | 8.1/4x13.1/4x5 | |
| Busicom U.S.A. | 141DA | Digitron | 14 | 1 | Fixed | |||
| Busicom U.S.A. | 141PA | Printing | 14 | 1 | Fixed | |||
| Busicom U.S.A. | 141PF | Printing | 14 | 1 | Fix & Float | 13 | 8.1/4x13.1/4x5 | |
| Busicom U.S.A. | 141PG | Printing | 14 | 1 | Fix & Float | 13 | 8.1/4x13.1/4x5 | |
| Busicom U.S.A. | 142PG | Printing | 14 | 2 | Fix & Float | 13 | 8.1/4x13.1/4x5 | |
| Busicom U.S.A. | 142PP | Printing | 14 | 2 | Fix & Float | 13 | 8.1/4x13.1/4x5 | Square Root,Programmable |
| Busicom U.S.A. | 162 | Nixie | 16 | 2 | Fix & Float | 15.5 | Square Root | |
| Busicom U.S.A. | 162C | Nixie | 16 | 2 | Fix & Float | 15.5 | ||
| Busicom U.S.A. | 162DE | Itron | 16 | 2 | Fix & Float | 12.5 | 8.1/4x13.1/4x5.1/8 | Square Root |
| Busicom U.S.A. | 166DA | Nixie | 16 | 6 | Fix & Float | Square Root, Programmable 96 steps | ||
| Busicom U.S.A. | 207 | CRT | 20 | 7 | Fixed | Square Root, Programmable | ||
| Busicom U.S.A. | Junior | Digitron | 12 | 0 | Fixed | |||
| Caltype Corp. | 816 "Senator Mini Calc" | Nixie | 8 | 0 | Preset | |||
| Caltype Corp. | 816A "Senator Mini Calc" | Nixie | 16 | 0 | Preset | |||
| Caltype Corp. | 816B "Senator Mini Calc" | Nixie | 16 | 0 | Preset | |||
| Canon | 120 | Nixie | 12 | 0 | Fixed | |||
| Canon | 121 | Nixie | 12 | 1 | Semi-Floating | |||
| Canon | 130S | Nixie | 13 | Y | Y | |||
| Canon | 141 | Nixie | 14 | 1 | Semi-Floating | |||
| Canon | 141S | Nixie | 14 | Y | Y | |||
| Canon | 161S | Nixie | 16 | Y | Y | |||
| Canon | 162 | Nixie | 16 | 2 | Floating | |||
| Canon | 162P | Nixie | 16 | 2 | Floating | Programmable | ||
| Canon | 163 | Nixie | 16 | 2 | Y | Square Root | ||
| Canon | 164P | Nixie | 16 | 4 | Floating | 16 | Programmable | |
| Canon | 167 | Nixie | 16 | 7 | Y | |||
| Canon | 167P | Nixie | 16 | 7 | Fix & Float | 15.7 | Programmable | |
| Canon | EP150 | Printing | 15 | 0 | Semi-Floating | Chemical Paper | ||
| Canon | EP151 | Printing | 15 | 1 | Fixed | 17.6 | ||
| Canon | F-10 | Planar | 12 | 1 | Fix & Float | Scientific | ||
| Canon | F-10P | LED+Print | 12 | 1 | Fix & Float | 11 | 13x10x4 | Programmable |
| Canon | F-20P | LED+Print | 12 | 1 | Fix & Float | 11 | 13x10x4 | Programmable |
| Canon | L100A | Planar | 10 | 0 | Floating | 2.2 | ||
| Canon | L100S | Planar | 10 | 0 | Fix & Float | 2.2 | ||
| Canon | L120 | Nixie | 12 | 0 | Fixed | 4.13 | ||
| Canon | L121 | Nixie | 12 | 1 | Fixed | 4.13 | ||
| Canon | L121F | Planar | 12 | 1 | Fix & Float | 4.8 | 9.1/4x10.3/16x3.1/16 | |
| Canon | L141 | Nixie | 14 | 1 | Fixed | 8.6 | ||
| Canon | L161 | Nixie | 16 | 1 | Fixed | 8.6 | ||
| Canon | L162A | Nixie | 16 | 2 | Fixed | 8.6 | ||
| Canon | L163 | Nixie | 16 | 2 | Fix & Float | 8.6 | Square Root | |
| Canon | L164P | Nixie | 16 | 4 | Fix & Float | Square Root,Programmable | ||
| Canon | L167P | Nixie | 16 | 7 | Fix & Float | |||
| Canon | L167P II | Nixie+Printer? | 16 | 7 | Fix & Float | 15.43 | 12.3/16x15.9/16x6 | Square Root,Programmable |
| Canon | L800 | Planar | 8 | 0 | Floating | |||
| Canon | L802 | Planar | 8 | 0 | Fix & Float | 3 | 8x6x2 | |
| Canon | L810 | Planar | 8 | 1 | Fix & Float | |||
| Canon | L1420 | Planar | 14 | 2 | Fix & Float | |||
| Canon | L1614P | Nixie+Printer | 16 | 14 | Fix & Float | 15.43 | 8.5/8x13.3/4x7.1/8 | Square Root,Programmable |
| Canon | L1630 | Planar | 16 | 3 | Fix & Float | 5 | 11x10x4 | |
| Canon | MP131L | Printing | 13 | 1 | Fixed | 13.4 | ||
| Canon | MP141 | Printing | 14 | 1 | Fixed | 13.87 | ||
| Canon | MP142R | Printing | 14 | 2 | Fixed | 13.18 | Square Root | |
| Canon | MP1000 | LED+Printing | 10 | 0 | Fix & Float | 8 | 11x10x4 | |
| Canon | MP1210 | Printing | 12 | 1 | Fix & Float | |||
| Canon | MP1212 | LED+Printing | 12 | 1 | Fix & Float | 11 | 13x10x4 | |
| Canon | SE600 | Printing | 16 | 100 | Fix & Float | |||
| Canon | TP120 | Printing | 12 | 0 | Fixed | 6.56 | 7.1/2x10.1/8x3.1/2 | |
| Casio | 101L | Digitron | 10 | 1 | Floating | |||
| Casio | 101S | Display | 10 | 1 | Fix & Float | 3 | 7x1.1/2x9.1/2 | |
| Casio | 121-A | Nixie | 12 | 1 | Auto in Div. | |||
| Casio | 121-B | Display | 12 | Y | None | 3 | ||
| Casio | 121-E | Digitron | 12 | 1 | Fix & Float | 3 | 7x8x2 | |
| Casio | 121-K | Nixie | 12 | 2? | Fix & Float | 6 | ||
| Casio | 121-L | Digitron | 12 | 1 | Fix & Float | 3 | 8x2.1/2x9.1/2 | |
| Casio | 122 | Nixie | 12 | 1 | Fix & Float | |||
| Casio | 162 | Display | 16 | 3? | Fix & Float | 5 | ||
| Casio | 202A | Nixie | 12 | 3? | Fix & Float | |||
| Casio | AL-2000 | Nixie | 14 | 4 | Fix & Float | 14 | Square Root, Programmable | |
| Casio | AS-C | Display | 12 | Y | Fix & Float | 4 | ||
| Casio | AS-L | Nixie | 12 | Y? | Fix & Float | 3 | ||
| Casio | AS-8A | Mosaic | 8 | 0 | Fixed | |||
| Casio | AS-8U | Mosaic | 8 | 1 | Fix & Float | 4.1/2x2.7 | ||
| Casio | ASP | Printing | 8 | 1/3? | Fix & Float | 8 | 9x8x3 | |
| Casio | CL-100 | Mosaic | 12 | 0 | Floating | 5 | ||
| Casio | FX-1 | Nixie | 12 | 2 | Fix & Float | 10 | 9.1/2x3x12 | Scientific |
| Casio | FX-3 | Display | 10+2exp | ? | Fix & Float | Scientific | ||
| Casio | R1 | Printing | 12 | 2 | Fix & Float | 13 | ||
| Casio | R2 | Printing | 12 | 1 | Fix & Float | 16 | 9.1/2x4.1/4x12 | |
| Casio | R3 | Digitron+Electronic Printer | 12 | 1 | Fix & Float | 16 | 9.1/2x4.1/4x13.3/4 | |
| Casio | R5 | Display+Electronic Printer | 12 | 1 | Fix & Float | 16 | 9.1/2x4.1/4x13.3/4 | |
| Casio | R7 | Printer | 8 | 3 | Fix & Float | |||
| Casio | R11 | Digitron+Print | 12 | 3 | Fix & Float | 12 | 9x13x14 | |
| Casio | Root 121A | Digitron | 12 | 1 | Floating | Square Root | ||
| Casio | Root 162A | Digitron | 16 | 2 | Fix & Float | 4 | 9x12x3 | Square Root |
| Casio | V121-A | Display | 12 | Y | Floating | 3 | ||
| Cherry Electrical Products Corp. | D08-19B | Gas Discharge | 8 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D08-24B | Gas Discharge | 8 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-00AA | Printer | 12 | 2 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-01AA | Gas Discharge | 12 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-02AA | Gas Discharge | 12 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-03AA | Printer | 12 | 2 | Fix & Float | Square Root | ||
| Cherry Electrical Products Corp. | D12-06AA | Gas Discharge | 12 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-12AA | Gas Discharge | 12 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-16AA | Gas Discharge | 12 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-18AA | Gas Discharge | 12 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-24A | Gas Discharge | 12 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D12-24B | Gas Discharge | 12 | 1 | Fix & Float | |||
| Cherry Electrical Products Corp. | D14-00AA | Printer | 14 | 2 | Fix & Float | Square Root | ||
| Cherry Electrical Products Corp. | D14-02AA | Printer | 14 | 2 | Fix & Float | Square Root,Programmable | ||
| Cherry Electrical Products Corp. | D14-04AA | Printer | 14 | 2 | Fix & Float | Square Root,Programmable | ||
| Cimatron | 100F | Display | 10 | 0 | Fix & Float | 3 | 3x7x10 | |
| Cimatron | 121-3 "Creditor" | Digitron | 12 | 1 | Fix & Float | 3.5 | 3x7x10 | |
| Cimatron | 121-F | Digitron | 12 | 1 | Fix & Float | |||
| Cimatron | 122SP | Printing | 12 | 1 | Fixed | 17.5 | 13x11x3.3/4 | |
| Cimatron | 310 | Printing | 11 | 0 | ? | 16 | 6x9x13 | |
| Cimatron | 410 | Printing | 11 | 0 | ? | 17 | 6x9x12 | |
| Cimatron | 800K | Digitron | 8 | 0 | Fix & Float | 2 | 2.1/2x5x8 | |
| Cintra, Inc. | 909 Scientist | Nixie | 10+2exp | 26 | Fix & Float | Scientific, Programmable 256 Steps,100 Optional Storage Registers | ||
| Cintra, Inc. | 911 Statistician | Nixie | 10+2exp | 26 | Fix & Float | Statistical,Programmable 256 Steps, 100 Optional Storage Registers | ||
| Cintra, Inc. | 941 | Printer | N.A | N.A | N.A. | printer for Cintra calculators | ||
| Cintra, Inc. | Instructor | N.A. | ||||||
| Colex | 122B | Panaplex | 12 | 1 | Fix & Float | |||
| Colex | 800K | Display | 8 | 0 | Floating | 2.13 | 9x7.1/2x3.1/8 | |
| Colex | 1000 | Display | 10 | 0 | Floating | 3.15 | 9x7.1/2x3.1/8 | |
| Colex | 1000L | Digitron | 10 | 0 | Fixed | |||
| Colex | 1200L | Digitron | 12 | 0 | Fixed | |||
| Colex | 1200LP | Display | 12 | 0 | Fixed | 2.14 | 9x7.1/2x3.1/8 | |
| Colex | 1215LP | Display | 12 | 0 | Fixed | 2.14 | 9x7.1/2x3.1/8 | |
| Colex | 1218 | Digitron | 12 | 0 | Floating | |||
| Colex | 1400 | Display | 14 | 2 | Floating | 3.5 | ||
| Colex | 1420 | Panaplex | 14 | 2 | Fix & Float | |||
| Colex | 1215P | Printing | 12 | 0 | Fixed | 15 | ||
| Colex | 1216P | Printing | 12 | 1 | Fix & Float | |||
| Columbia Scientific | MD12M | Digitron | 12 | 1 | Fix & Float | |||
| Commodore Business Machines | 121P | Printing | 12 | 1 | Fix & Float | 8 | 3.3/4x11.3/8x8.3/4 | |
| Commodore Business Machines | 152P | Printing | 15 | 2 | Fix & Float | |||
| Commodore Business Machines | 412F | Digitron | 12 | 1 | Fixed | |||
| Commodore Business Machines | 412P | Printing | 12 | 1 | Fixed | |||
| Commodore Business Machines | 432 | Digitron | 12 | 1 | Fixed | |||
| Commodore Business Machines | 432P | Printing | 12 | 1 | Fixed | |||
| Commodore Business Machines | 500E | ? | 20 | Y | Y | |||
| Commodore Business Machines | 512 | Display | 12 | Y | Y | |||
| Commodore Business Machines | 1121 | Nixie | 12 | Y | Y | |||
| Commodore Business Machines | 1152 | Display | 15 | 2 | Y | |||
| Commodore Business Machines | 1152P | Printing | 14 | 2 | Y | |||
| Commodore Business Machines | 1161 | Display | 16 | Y | Y | |||
| Commodore Business Machines | 1528 | Printing | 15 | 2 | Fix & Float | 10x11x4.1/2 | ||
| Commodore Business Machines | AL-1000 | Nixie | 14 | 4 | Y | |||
| Commodore Business Machines | C8 | Neon | 8 | 0 | Floating | 3 | 2x6.1/2x9 | |
| Commodore Business Machines | E12 | Neon | 12 | 1 | Float | 4 | 8.5/8x6.5/8x2.1/2 | |
| Commodore Business Machines | US1 | Display | 8 | 0 | Floating | 3 | 2x6.1/2x9.1/4 | |
| Commodore Business Machines | US8 | Panaplex | 8 | 0 | Fix & Float | 3 | ||
| Commodore Business Machines | US10 | Panaplex | 10 | 0 | Fix & Float | 3 | ||
| Commodore Business Machines | US12 | Neon | 12 | 1 | Fix & Float | 4 | 3x11.3/8x7.7/8 | |
| Commodore Business Machines | US14 | Neon | 14 | 1 | Fix & Float | 5 | ||
| Commodore Business Machines | US1M | Neon | 8 | 1 | Float | 3 | 9x5.1/8x2.1/4 | |
| Commodore Business Machines | US121P | Printing | 12 | 1 | Fix & Float | |||
| Compucorp | 010 Scientist | Nixie | 10 | 16 | Fix & Float | 12 | ||
| Compucorp | 021 Tutor Computer | Printing | 12 | 1 | Fixed | 24 | 14.1/2x15x7 | |
| Compucorp | 025 Educator | Printing | 12 | 10 | Fix & Float | 24 | 14.1/2x15x7 | Scientific,Programmable |
| Compucorp | 100 Statistician | Nixie | 10+2exp | 10 | Fix & Float | Scientific | ||
| Compucorp | 110 Scientist | Display | 10+2exp | 10 | Fix & Float | 12 | ||
| Compucorp | 120 Scientist | Nixie | 10+2exp | 10 | Fix & Float | 12 | Scientific | |
| Compucorp | 121 Scientist | Printing | 10+2exp | 10 | Fix & Float | 22.5 | Scientific | |
| Compucorp | 122 Scientist | Nixie | 10+2exp | 10 | Fix & Float | 12 | Scientific,Programmable | |
| Compucorp | 122E | Printing | 10+2exp | 10 | Fix & Float | Scientific,Programmable | ||
| Compucorp | 125 Scientist | Printing | 10+2exp | 10 | Fix & Float | 22.5 | 14.1/2x15x7 | Programmable |
| Compucorp | 125E | Printing | 10+2exp | 10 | Fix & Float | Scientific,Programmable | ||
| Compucorp | 130 Statistician | Display | 10+2exp | 10 | Fix & Float | 12 | ||
| Compucorp | 131 Statistician | Printing | 10+2exp | 10 | Fix & Float | 22.5 | ||
| Compucorp | 132 Statistician | Display | 10+2exp | 10 | Fix & Float | 12 | Programmable | |
| Compucorp | 135 Statistician | Printing | 10+2exp | 10 | Fix & Float | 22.5 | Programmable | |
| Compucorp | 140 Statistician | Nixie | 10+2exp | 10 | Fix & Float | 12 | Scientific | |
| Compucorp | 141 Statistician | Printing | 10+2exp | 10 | Fix & Float | 22.5 | ||
| Compucorp | 142 Statistician | Display | 10+2exp | 10 | Fix & Float | 12 | Programmable | |
| Compucorp | 145 Statistician | Printing | 10+2exp | 10 | Fix & Float | 22.5 | 14.1/2x15x7 | Scientific,Programmable |
| Compucorp | 145E | Printing | 10+2exp | 10 | Fix & Float | Scientific,Programmable | ||
| Compucorp | 155 Surveying | Printing | 10+2exp | 10 | Fix & Float | 22.5 | Programmable | |
| Compucorp | 250 Bond Trader | Nixie | 12 | 15 | Fixed | 12 | ||
| Compucorp | 250-3 Trader | Nixie | 12 | 10 | Fixed | 12 | 13x13.1/2x6.1/2 | |
| Compucorp | 260 Accountant | Nixie | 10 | 10 | Fixed | 12 | Square Root | |
| Compucorp | 261 Accountant | Printing | 14? | 10 | 22.5 | |||
| Compucorp | 265 Accountant | Printing | 14? | 10 | 22.5 | Programmable | ||
| Compucorp | 271 Banker | Printing | 13 | 10 | Fixed | 22.5 | Square Root | |
| Compucorp | 275 Banker | Printing | 14? | 10 | Fixed | 22.5 | Programmable | |
| Compucorp | 280 Financier | Nixie | 10 | 10 | Fixed | 12 | ||
| Compucorp | 281 Financier | Printing | 13 | 10 | Fixed | 22.5 | Square Root | |
| Compucorp | 285 Financier | Printing | 10 | 10 | Fixed | 22.5 | Programmable | |
| Compucorp | 291 Treasurer | Printing | 10 | 10 | Fixed | 22.5 | ||
| Compucorp | 295 Treasurer | Printing | 10 | 10 | Fixed | 22.5 | Programmable | |
| Compucorp | 295-E Treasurer | Printing | 14 | 10 | Fix & Float | 22.5 | 14.1/2x15x7 | Programmable |
| Compucorp | 320 | PanaplexII | 10+2exp | 10 | 3.5 | Scientific | ||
| Compucorp | 322 Scientist | PanaplexII | 10+2exp | 10 | Floating | 3.5 | 9x5.1/8x2.1/4 | Scientific,Programmable |
| Compucorp | 324 | PanaplexII | 10+2exp | 10 | Floating | 3.5 | 9x5.1/8x2.1/4 | Scientific,Programmable, Cassette Tape |
| Compucorp | 326G | PanaplexII | 10+2exp | 10 | Floating | 3.5 | 9x5.1/8x2.1/4 | Scientific,Programmable |
| Compucorp | 340 | PanaplexII | 10+2exp | 10 | Fixed | 3.5 | 9x5.1/8x2.1/4 | Scientific |
| Compucorp | 342 Statistician | PanaplexII | 10+2exp | 10 | Fixed | 3.5 | 9x5.1/8x2.1/4 | Scientific,Programmable |
| Compucorp | 344 Statistician | PanaplexII | 10+2exp | 10 | Fixed | 3.5 | 9x5.1/8x2.1/4 | Scientific,Programmable |
| Compucorp | 354 | PanaplexII | 12 | 10 | Floating | 3.5 | 9x5.1/8x2.1/4 | Scientific,Programmable |
| Compucorp | 360 | PanaplexII | 12 | 10 | Floating | 3.5 | 9x5.1/8x2.1/4 | Financial,Programmable |
| Compucorp | 360/65 | PanaplexII | 12 | 10 | Floating | 3.5 | 9x5.1/8x2.1/4 | Financial,Programmable |
| Compucorp | 425G | Printing | 10+2exp | 10 | Fix & Float | Scientific,Programmable | ||
| Compucorp | 445 | Printing | 10+2exp | 10 | Fix & Float | Scientific,Programmable | ||
| Computer Devices & Terminal General | MiniComp 8AC | LED | 8 | 0 | Floating | |||
| Contemporary Marketing Inc. | C8 | Neon | 8 | 0 | Floating | |||
| Corvus (by Mostek) | 0300 | Panaplex | 10 | 0 | Fix & Float | |||
| Corvus (by Mostek) | 0305 | Panaplex | 10 | 0 | Fix & Float | |||
| Credible Systems | 1200 | Gas Discharge | 12 | 2 | Fix & Float |