| Manufacturer | Model | Display | # Digits | # Memory | Decimal System | Weight | Size | Notes |
| Deltek Business Machines | IC8 | Mosaic | 8 | 0 | ? | |||
| Deltek Business Machines | 12 | Mosaic | 12 | 1 | Fix & Float | Scientific | ||
| Deltek Business Machines | 12GT | Digitron | 12 | 1 | Fix & Float | |||
| Deltek Business Machines | 112 | Display | 12 | 0 | Y | Scientific | ||
| DENON-Nippon Columbia of America | DEC 61A4 | Nixie | 9 | 1 | Fixed | 13 | ||
| DENON-Nippon Columbia of America | 64P1 | Printing | 14 | Y | Y | 13 | ||
| DENON-Nippon Columbia of America | 621 | Nixie | 14 | Y | Y | |||
| DENON-Nippon Columbia of America | 521 | Nixie | 9 | 1 | Fixed | 6 | ||
| DENON-Nippon Columbia of America | 421 | Nixie | 12 | 0 | Floating | 5 | ||
| DENON-Nippon Columbia of America | 411 | Nixie | 9 | 0 | Fixed | |||
| DENON-Nippon Columbia of America | 411C | Display | 12 | Y | Y | |||
| Dero Research Development Co. | Sage 1 | Nixie | 10 | Y | Y | |||
| Dictaphone | 1201 | Mosaic | 12 | 0 | Floating in/Fixed out | 5.9 | ||
| Dictaphone | 1212 | Mosaic | 12 | 1 | Floating | 3.9 | ||
| Dictaphone | 1410 | Display | 14 | Y | Y | |||
| Dictaphone | 1412 | Mosaic | 14 | 1 | Floating in/Fixed out | |||
| Dictaphone | 1420 | Incandescent | 14 | 1 | Fixed | |||
| Dictaphone | 1620 | Mosaic | 16 | 2 | Fix & Float | |||
| Dictaphone | 1630 | Printing | 16 | 2 | Fix & Float | Sq. Root | ||
| Dictaphone | 1680 | Mosaic/Segmented | 8 | 0 | Floating in/Fixed out | 2.2 | 1.1/2x5x6 | Sq. Root,AC/DC Operation |
| Dictaphone | 1681 | Mosaic | 8 | 0 | Floating | 2.2 | ||
| Diehl Calculating Systems | Algotronic | Printing | 16 | 64 | Fixed | 30 | 20x13x6 | Scientific, Prog. |
| Diehl Calculating Systems | Alphatronic | Display+Printer | 16 | 160/400? | Fix & Float | 16 | 13x15.7x4.6 | Scientific, Prog. |
| Diehl Calculating Systems | Combitronic | Printing | 16 | 10 | Fixed | 30 | Sq. Root,Prog. | |
| Diehl Calculating Systems | Deltronic | Printing | 16 | 10 | Fixed | 30 | Sq. Root | |
| Diehl Calculating Systems | Deltronic-P | Printing | 16 | 10 | Fixed | 30 | ||
| Diehl Calculating Systems | Decitronic | Printing | 16 | 10 | Fixed | Sq. Root | ||
| Diehl Calculating Systems | Meritronic | Printing | 10 | 1 | Floating | |||
| Diehl Calculating Systems | Productronic | Printing | 16 | 1 | Fixed | 12 | 14x8x5 | |
| Diehl Calculating Systems | Profitronic | Printing | 16 | 1 | Fixed | 24 | 16x9x6 | |
| Diehl Calculating Systems | Sigmatronic | Printing | 16 | 10 | Fixed | 30 | 20x13x6 | Sq. Root |
| Diehl Calculating Systems | Valutronic | Printing | 12 | 2 | Floating | |||
| Eugene Dietzgen Co. | 7400 | Nixie | 10 | 10 | Floating | Sci. Functions, optional card reader & programming | ||
| Eugene Dietzgen Co. | 7400-P | Nixie | 10 | 10 | Floating | Sci. Functions, Prog. (128 steps) | ||
| Eugene Dietzgen Co. | 7410 | Printing | 10 | 10 | Floating | Sci. Functions, optional card reader & programming | ||
| Eugene Dietzgen Co. | 7410-P | Printing | 10 | 10 | Floating | Sci. Functions, Prog. (128 steps) | ||
| Eugene Dietzgen Co. | 7410-PA | Printing | 10 | 10 | Floating | Sci. Functions, Prog. (256 steps) | ||
| Eugene Dietzgen Co. | ESR-1 | Nixie | 12 | 2 | Fix & Float | Scientific | ||
| Eugene Dietzgen Co. | CD-1 | Digitron | 8 | 1 | Fix & Float | |||
| Eldorado | 8M | Panaplex | 8 | 0 | Fix & Float | |||
| Eldorado | 8K | Panaplex | 8 | 0 | Fix & Float | 2.1/8 | 2.75x5.8x9 | |
| Eldorado | 8KB | Panaplex | 8 | 0 | Fix & Float | 2.5/8 | 2.75x5.8x9 | |
| Eldorado | 12K | Panaplex | 12 | 1 | Fix & Float | 2.1/8 | 2.75x5.8x9 | |
| Eldorado | 14P | Printing | 14 | 1 | Fix & Float | |||
| Eldorado | Director II | Panaplex | 8 | 0 | Fix & Float | 2.1/8 | 2.75x5.8x9 | |
| Eldorado | Director 10 | Printing | 10 | 1 | Fix & Float | |||
| Eldorado | Mathmagic | Panaplex | 8 | 0 | Floating | |||
| Facit-Odhner | 1111 | Itron | 8 | 0 | Floating | 1.5 | ||
| Facit-Odhner | 1112 | Digitron | 12 | 0 | Fixed | 3.5 | 7x10 | |
| Facit-Odhner | 1115 | Digitron | 8 | 1 | Floating | |||
| Facit-Odhner | 1120 | Digitron | 16 | 1 | Fix & Float | 3.25 | 7x10 | |
| Facit-Odhner | 1122 | ? | 14 | Y | Y | |||
| Facit-Odhner | 1121 | Nixie | 16 | Y | Y | |||
| Facit-Odhner | 1123 | Nixie | 14 | Y | Y | |||
| Facit-Odhner | 1124 | ? | 14 | Y | Y | |||
| Facit-Odhner | 1125 | ? | 16 | Y | Y | |||
| Facit-Odhner | 1126 | Digitron | 12 | 1 | Floating/Preset | |||
| Facit-Odhner | 1127 | ? | 14 | Y | Y | |||
| Facit-Odhner | 1128 | Digitron | 12 | 1 | Floating/Preset | |||
| Facit-Odhner | 1129 | Nixie | 14 | 1 | Floating/Preset | 11 | ||
| Facit-Odhner | 1131 | Nixie | 12 | 1 | Fix & Float | 2.7 | ||
| Facit-Odhner | 1132 | Nixie | 16 | 2 | Floating/Preset | 16 | ||
| Facit-Odhner | 1133 | Digitron | 12 | 1 | Fix & Float | 3.25 | 7x10 | |
| Facit-Odhner | 1145-1 | Printing | 10 | 1 | Fix & Float | |||
| Facit-Odhner | 1145-2 | Printing | 10 | 1 | Fix & Float | 7x12.1/4x4 | ||
| Facit-Odhner | 1151 | Printing | 14 | 2 | Fix & Float | 17.8 | 10.3/4x16.3/8 | |
| Facit-Odhner | 1153 | Printing | 16 | 1 | Preset | 26 | ||
| Facit-Odhner | 1175 | Printing | 14 | 1 | Fix & Float | 12.25 | 10.3/4x14 | |
| Facit-Odhner | 1175B | Printing | 14 | 1 | Fix & Float | 11x14x4.5 | ||
| Facit-Odhner | 1183 | Digitron | 12 | 0 | Fix & Float | 3 | 7x10x3 | |
| Facit-Odhner | 1185 | Digitron | 12 | 1 | Fix & Float | 3 | 7x10x3 | |
| Friden (Singer) | 215 | Printing | 11 | 0 | Fixed | 13.6 | ||
| Friden (Singer) | 217 | Printing | 11 | 0 | Fixed | 14.3 | ||
| Friden (Singer) | 1008 | Nixie | 8 | 0 | Floating | 1.2 | 4x7 | |
| Friden (Singer) | 1009 | Nixie | 8 | 0 | Fix & Float | 1 | 4x7 | |
| Friden (Singer) | 1017 | Nixie | 12 | 1 | Fix & Float | 5 | 3x8x10 | |
| Friden (Singer) | 1101 | Printing | 12 | 1 | Fix & Float | 16 | 5x11x16 | |
| Friden (Singer) | 1102 | Printing | 12 | 2 | Fix & Float | 16 | 5x11x16 | |
| Friden (Singer) | 1102M | Printing | 12 | 1 | Fix & Float | 16 | 5.5x11x6.1 | |
| Friden (Singer) | 1200 | Display | 12 | 1 | Fix & Float | |||
| Friden (Singer) | 1201 | Panaplex | 12 | 1 | Fix & Float | 4.3 | 10.5x11x3.5 | |
| Friden (Singer) | 2002 | Printing | 12 | Fixed | ||||
| Friden (Singer) | 2003 | Printing | 12 | 1 | Fix & Float | 16 | 5.5x11x16.1 | |
| Friden (Singer) | 2004 | Printing | 12 | 1 | Fix & Float | 16 | 5.5x11x16.1 | |
| Friden (Singer) | EC130 | CRT | 13 | Y | Y | |||
| Friden (Singer) | EC132 | CRT | 13 | Y | Y | Sq. Root | ||
| Friden (Singer) | EC1113 | Nixie | 12 | Y | Floating | |||
| Friden (Singer) | EC1114 | Nixie | 14 | 1 | Floating in/Fixed out | 12.7 | ||
| Friden (Singer) | EC1115 | Nixie | 12 | 0 | Floating in/Fixed out | 8 | ||
| Friden (Singer) | EC1116 | Nixie | 16 | 2 | Floating in/Fixed out | 12.7 | 4x11x14 | Item Counter |
| Friden (Singer) | EC1117 | Nixie | 12 | 1 | Floating in/Fixed out | 7.7 | 4x10x12 | |
| Friden (Singer) | EC1117A | VF Tube | 12 | 1 | Floating in/Fixed out | 7.7 | 4x10x12 | |
| Friden (Singer) | EC1118 | Nixie | 14 | 1 | Floating in/Fixed out | 7.7 | ||
| Friden (Singer) | EC1150 | Printing | 13 | 0 | Floating in/Fixed out | |||
| Friden (Singer) | EC1151 | Printing | 13 | 1 | Floating in/Fixed out | 42 | Prog. | |
| Friden (Singer) | EC1152 | Printing | 13 | 1 | Floating in/Fixed out | 42 | Sq. Root, Prog. | |
| Friden (Singer) | EC1154 | Printing | 13 | 1 | Floating in/Fixed out | 42 | ||
| Friden (Singer) | EC1155 | Printing | 12 | 20 | Fix & Float | 42 | 15x21x8 | Prog. |
| Friden (Singer) | EC1155A | Printing | 12 | 100 | Fix & Float | 42 | 15x21x8 | Prog. |
| Friden (Singer) | EC1160 | CRT | 14 | 1 | Y | |||
| Friden (Singer) | EC1162 | CRT | 14 | 1 | Fixed in/Floating Out | 24 | ||
| Friden (Singer) | EC1166 | CRT | 13 | 1 | Floating in/Fixed out | 24 | ||
| Garrett Chemtronics Corp. | 2000 | LED | 8 | 0 | Floating | |||
| Garrett Chemtronics Corp. | 2002-Clock | LED | 8 | 0/2? | Floating | With Digital Clock | ||
| Garrett Chemtronics Corp. | 2002K | LED | 8 | 2 | Floating | |||
| Garrett Chemtronics Corp. | 2020 | LED | 8 | 0 | Floating | |||
| Garrett Chemtronics Corp. | 2030 | LED | 8 | 2 | Floating | |||
| Garrett Chemtronics Corp. | 2030K | LED | 8 | 2 | Floating | |||
| Garrett Chemtronics Corp. | 3030M | LED | 8 | 1 | Floating | |||
| Georgia International Calculator | 101 | LED | 8 | 0 | Floating | |||
| Georgia International Calculator | 901 | LED | 8 | 0 | Floating | |||
| Georgia International Calculator | 911 | LED | 8 | 1 | Fix & Float | |||
| Georgia International Calculator | 912 | LED | 9 | 1 | Fix & Float | |||
| Georgia International Calculator | 914 | LED | 9 | 1 | Fix & Float | |||
| Georgia International Calculator | 916 | LED | 9 | 1 | Fix & Float | |||
| Great Southern | Citation I | Display | 12 | 0 | Floating | 3.3 | ||
| Great Southern | Citation II | Display | 12 | 0 | Floating | 3.3 | ||
| Great Southern | Citation III | Display | 12 | 1 | Floating | 3.3 | ||
| Hewlett-Packard | HP46 | LED+Printer | 10+2exp | 10 | Fix & Float | 10 | 15.5x10.9x4.5 | Optional LED |
| Hewlett-Packard | HP81 | LED+Printer | 10+2exp | 20 | Fix & Float | 10 | 15.5x10.9x4.5 | Optional LED, optional buffered kbd. |
| Hewlett-Packard | HP91 | LED+Printer | 10+2 | 10 | Fix & Float | Scientific | ||
| Hewlett-Packard | HP92 | LED+Printer | 10+2 | Fix & Float | Financial | |||
| Hewlett-Packard | HP97 | LED+Printer | 10+2 | 10 | Fix & Float | Scientific,Prog.,Card Reader | ||
| Hewlett-Packard | HP97S | LED+Printer | 10+2 | 10 | Fix & Float | Scientific,Prog.,Card Reader,BCD I/O Port | ||
| Hewlett-Packard | HP9805A | LED+Printer | 10+2exp | 20 | Fix & Float | 10 | 15.5x10.9x4.5 | |
| Hewlett-Packard | HP9100A | CRT | 10+2exp | 16 | Fix & Float | Scientific, Prog. | ||
| Hewlett-Packard | HP9100B | CRT | 10+2exp | 32 | Fix & Float | Scientific, Prog. | ||
| Hewlett-Packard | HP9810A | LED+Printer | 10+2exp | 51 | Fix & Float | 34 | 21x17.75x5.6 | |
| Hewlett-Packard | HP9815A | LED+Printer | 10+2exp | Fix & Float | Scientific,Prog. | |||
| Hewlett-Packard | HP9815S | LED+Printer | 10+2exp | Fix & Float | Scientific,Prog.,I/O capability | |||
| Hewlett-Packard | HP9820A | Alpha LED+Printer | 16 | 173 | Fix & Float | 21x17.75x5.6 | Scientific,Prog. | |
| Hewlett-Packard | HP9821A | Alpha LED+Printer | 16 | 173 | Fix & Float | 21x17.75x5.6 | Scientific,Prog. | |
| Hewlett-Packard | HP9825A | Alpha LED+Printer | 32 | Fix & Float | Scientific,Prog.,Alpha keyboard | |||
| Hewlett-Packard | HP9825B | Alpha LED+Printer | 32 | Fix & Float | Scientific,Prog.,Alpha keyboard | |||
| Hewlett-Packard | HP9830A | Alpha LED | 32 | 4096 | Fix & Float | 25x17.75x5.75 | Scientific,Prog.,Alpha keyboard | |
| Hewlett-Packard | HP9830B | Alpha LED | 32 | 8092 | Fix & Float | 25x17.75x5.75 | Scientific,Prog.,Alpha keyboard | |
| Hewlett-Packard | HP9831A | Alpha LED | 32 | Fix & Float | Scientific,Prog.,Alpha keyboard | |||
| Hewlett-Packard | HP9835B | Alpha LED | 32 | Fix & Float | Scientific,Prog.,Alpha keyboard | |||
| Ian Jones Int'l. Ltd. | IJI-1000 | LED | 11 | 0 | Fix & Float | |||
| IME Sales Corp. | 86SR | Nixie | 16 | 4 | Fixed | Sq. Root,Prog. | ||
| IME Sales Corp. | 86S | Nixie | 16 | 4 | Fixed | Prog. | ||
| IME Sales Corp. | 86-2 | Display | 16 | Y | Y | |||
| IME Sales Corp. | 26 | ? | 12 | Y | Y | |||
| IME Sales Corp. | KB6 (Satellite) | N.A. | Satellite Keyboard | |||||
| IME Sales Corp. | DG-308 | N.A. | 512 Step Programmer | |||||
| IME Sales Corp. | DG-408 | Programmer | ||||||
| IME Sales Corp. | 86SR Base 8 | N.A. | ||||||
| IME Sales Corp. | 86SR Base 5 | N.A. | ||||||
| IME Sales Corp. | MS 30/60 | ? | 16 | Y | Y | |||
| IME Sales Corp. | 86 RM | ? | 16 | Y | Y | |||
| IME Sales Corp. | DG 308 RM | N.A. | ||||||
| IME Sales Corp. | OP 207 | ? | 16 | N.A | N.A. | |||
| IME Sales Corp. | PF 317 | ? | 16 | N.A | N.A. | |||
| IME Sales Corp. | IME System | ? | 16 | Y | Y | |||
| IME Sales Corp. | 120 | ? | 12 | 0 | Y | |||
| IME Sales Corp. | 121 | Nixie | 12 | 1 | Floating In/Preset Out | |||
| IME Sales Corp. | 122 | Nixie | 12 | 2 | Floating In/Preset Out | |||
| IME Sales Corp. | 122-S | Nixie | 12 | 2 | Y | Sq. Root | ||
| IME Sales Corp. | 40 | Digitron | 12 | 0 | Fixed | |||
| IME Sales Corp. | 41 | Digitron | 12 | 1 | Fixed | |||
| IME Sales Corp. | 514 | Printing | 12 | 1 | Fix & Float | |||
| Inter-Continental Trading | Anita Mark IX | Nixie | 10 | 0 | Y | |||
| Inter-Continental Trading | Anita Mark VIII | Nixie | 10 | Y | Y | |||
| Keystone | 1050 | LED | 8 | 0 | Fixed | 5 | ||
| Lago-Calc | 86 | Panidicon | 8 | 0 | Fixed | |||
| Lago-Calc | 119 | Neon | 12 | 0/1? | Fixed | 6 | 3x7x10 | |
| Lago-Calc | 120 | Neon | 12 | 1 | Fix & Float | 3x7x10 | ||
| Lago-Calc | 140P | Printing | 14 | 1 | Fix & Float | 14 | 5x11x14 | |
| Lago-Calc | 816 | Neon | 8/16? | 0 | Fixed | 3,6? | 3x7x10 | |
| Lago-Calc | 818 | 7-segment | 8 | 0 | Fix & Float | |||
| Lago-Calc | 820 | Neon | 8/12? | 1 | Fix & Float | 3,6? | 3x7x10 | |
| Lagomarsino | 14.1 | Printing | 14 | 1 | Fix & Float | 16 | 14.1/4x10x4.1/2 | |
| Lagomarsino | 16.2 | Printing | 16 | 2 | Fix & Float | 16 | 14.1/4x10x4.1/2 | |
| Lagomarsino | 16.2 TC | Printing | 16 | 2 | Fix & Float | 16 | 14.1/4x10x4.1/2 | Sq. Root |
| Lagomarsino | 214 | Printing | 14 | 1 | Fix & Float | |||
| Lloyds | E674 | LCD | 8 | 1 | Fix & Float | |||
| Lloyds | E681 | VF Tube | 8 | 1 | Fix & Float | AC or batt | ||
| Lloyds | E752 | LCD | 8 | 0 | Fix & Float | |||
| Lloyds | E999 | Digitron | 8 | 2 | Floating | Scientific, rechargeable batt. | ||
| Master Calculator | I | Display | 16 | 0 | Fixed | 6 | 7.5x12.5 | |
| Master Calculator | II | Gas Discharge | 12 | 1 | Floating | 6 | 7.5x12.5 | |
| Master Calculator | V | Gas Discharge | 12 | 0 | Fixed | 3 | 8.5x6 | |
| Master Calculator | AA | Gas Discharge | 12 | 0 | Floating | |||
| Master Calculator | AAA | Gas Discharge | 12 | 1 | Floating | |||
| Master Calculator | Executive | Gas Discharge | 14 | 1 | Fixed | |||
| Master Calculator | Master | Gas Discharge | 8 | 0 | Fixed | |||
| Master Calculator | Mini Mite | Gas Discharge | 8 | 1 | Fixed | |||
| Mathatronics (Barry Wright Mfg.) | Mathatron 8-48 | Printing | 9+2exp | Y | Floating | 85 | 24x24x14 | Prog. |
| Mathatronics (Barry Wright Mfg.) | Mathatron 4-24 | Printing | 9+2exp | Y | Floating | 85 | 24x24x14 | Prog. |
| Mathatronics (Barry Wright Mfg.) | Mathatron PKE | Printing | ? | Y | Floating | Prog. | ||
| Micro Instrumentation & Telemetry Systems, Inc. | 908DM | LED | 8 | 1 | Fix & Float | |||
| Micro Instrumentation & Telemetry Systems, Inc. | 1440 | LED | 14 | 1 | Fixed | |||
| Micro Instrumentation & Telemetry Systems, Inc. | 7440 | LED | 14 | 1 | Floating | |||
| Miida Electronics | 606 | Digitron | 6+6 | 0 | Floating | |||
| Miida Electronics | 1255P | Printing | 12 | 1 | Fix & Float | 9 | 12.3x9.6x4.4 | |
| Miida Electronics | MC830K | Digitron | 8 | 0 | Floating | 3.3 | 2.1/2x6.3/4x9 | |
| Miida Electronics | MC840 | Digitron | 8 | 0 | Floating | 2.8 | 2.1/2x6.1/2x8.1/2 | |
| Miida Electronics | MC1214 | Digitron | 12 | 1 | Fix & Float | 2.8 | 2.1/2x6.1/2x8.1/2 | |
| Miida Electronics | MC1213P | Printing | 12 | 1 | Fix & Float | 9 | 4x9x6 | |
| Monroe | 410 | Panaplex | 12 | 1 | Fix & Float | 3 | 8x8.5x3.5 | |
| Monroe | 420 | Panaplex | 12 | 1 | Fix & Float | 3 | 8x8.5x3.5 | |
| Monroe | 570 | Printing | 14 | 1 | Fixed | |||
| Monroe | 610 | Nixie | 12 | 0 | Fixed | 5.5 | 10x11.1/2x3.1/4 | |
| Monroe | 620 | Nixie | 13 | 1 | Fixed | 5.5 | ||
| Monroe | 630 | Nixie | 14 | 1 | Fix & Float | 9.9 | ||
| Monroe | 640 | Nixie | 16 | 2 | Fix & Float | 9.9 | ||
| Monroe | 650 | Nixie | 16 | 2 | Fix & Float | 9.9 | 12.3/8x12x3.1/4 | |
| Monroe | 730 | Nixie | 15 | Y | Y | |||
| Monroe | 740 | Display | 15 | Y | Y | |||
| Monroe | 770 | Nixie | 15 | Y | Y | |||
| Monroe | 820 | Nixie | 14 | Y | Y | |||
| Monroe | 820A | CRT? | 14 | 1 | Floating in/Fixed out | 14 | ||
| Monroe | 920 | Nixie | 12 | 0 | Semi-Floating in/fixed out | 9.5 | ||
| Monroe | 925 | Nixie | 13 | 1 | Semi-Floating in/fixed out | |||
| Monroe | 950 | Nixie | 16 | 1 | Floating in/Fixed out | 16 | ||
| Monroe | 990 | Nixie | 16 | 2 | Floating in/Fixed out | 16 | Sq. Root | |
| Monroe | 990A | Nixie | 16 | 2 | Floating in/Fixed out | |||
| Monroe | 1220 | Printing | 14 | 1 | Fix & Float | 14.5 | ||
| Monroe | 1260 | Printing | 14 | 1 | Fixed In/Fixed Out | 22.5 | Optional Sq. Root | |
| Monroe | 1260W-2 | Printing | 14 | Y | Y | |||
| Monroe | 1265 | Printing | 14 | 1 | Fixed In/Fixed Out | 22.5 | Sq. Root,Prog., Optional Card Programmer | |
| Monroe | 1265W-1 | Printing | 14 | Y | Y | |||
| Monroe | 1266 | Printing | 14 | 10 | Fix & Float | 22.5 | Prog. | |
| Monroe | 1276 | Printing | 14 | 10 | Fix & Float | Sq. Root, Prog. | ||
| Monroe | 1277 | Printing | 14 | 10 | Fix & Float | Sq. Root, Prog. | ||
| Monroe | 1305 | Printing | 14 | 1 | Floating | 12 | 11x13x4 | |
| Monroe | 1310 | Printing | 14 | 1 | Fix & Float | 12 | 13.9x10.8x4.4 | |
| Monroe | 1320 | Printing | 14 | 1 | Fix & Float | |||
| Monroe | 1330 | LED+Print | 14 | 1 | Fix & Float | 12 | 14.5x12.3x4.5 | |
| Monroe | 1340 | LED+Print | 14 | 2 | Fix & Float | Sq. Root | ||
| Monroe | 1350 | LED+Print | 14 | 3 | Fix & Float | 12 | 14.3x14.4x4.5 | |
| Monroe | 1610 | Nixie | 10+2exp | 10 | Floating | 12.5 | ||
| Monroe | 1650 | Nixie | 10+2exp | 10 | Floating | Scientific | ||
| Monroe | 1651 | Nixie | 10+2exp | 10 | Floating | 12.5 | Scientific | |
| Monroe | 1652 | Nixie | 10+2exp | 20 | Floating | 12.5 | Scientific | |
| Monroe | 1655 | Nixie | 10+2exp | 10 | Floating | Prog., Sci Functions, Optional Card Programmer | ||
| Monroe | 1656 | Nixie | 10+2exp | 10 | Floating | 12.5 | Prog., Sci Functions, Optional Card Programmer | |
| Monroe | 1660 | Printing | 10+2exp | 10 | Floating | Scientific | ||
| Monroe | 1665 | Printing | 10+2exp | 10 | Floating | 22.5 | Prog., Sci Functions, Optional Card Programmer | |
| Monroe | 1665W-1 | Printing | ? | Y | Y | Prog., Sci Functions, Optional Card Programmer | ||
| Monroe | 1666 | Printing | 10+2exp | 10 | Fix & Float | 22.5 | Prog. | |
| Monroe | 1710 | Nixie | 10+2exp | 10 | Floating | 12.5 | Scientific | |
| Monroe | 1765 Surveyor | Printing | 10+2exp | 10 | Fix & Float | 22.5 | Surveying Functions, Prog.,Optional Card Programmer | |
| Monroe | 1766 Surveyor | Printing | 10+2exp | 10 | Fix & Float | 22.5 | Surveying Functions, Prog.,Optional Card Programmer | |
| Monroe | 1770 | Nixie | 10+2exp | 10 | Floating | 12.5 | Scientific | |
| Monroe | 1775 | Nixie | 10+2exp | 10 | Floating | 12.5 | Prog., Sci Functions, Optional Card Programmer | |
| Monroe | 1785 | Printing | 10+2exp | 10 | Floating | 22.5 | Prog., Sci Functions, Optional Card Programmer | |
| Monroe | 1810 | Printing | 14 | 74 | Floating | 22 | 15x14.5x7 | Prog., optional up to 522 program steps |
| Monroe | 1830 | Printing | 14 | 74 | Floating | 22 | 15x14.5x7 | Prog., optional up to 522 program steps |
| Monroe | 1860 | Printing | 14 | 74 | Floating | 22 | 15x14.5x7 | Scientific,Prog., optional up to 522 program steps |
| Monroe | 1880 | Printing | 14 | 74 | Floating | 22 | 15x14.5x7 | Prog., optional up to 522 program steps |
| Monroe | 1920 | Panaplex | 10+2exp | 10 | Floating | Scientific | ||
| Monroe | EPIC 3000 | Printing | 16 | Y | Y | Prog.,Sq. Root | ||
| Monroe | EPIC 2000 | Printing | 16 | Y | Y | Prog. |