| Subject | English | Dutch |
| gen. | calculating machine | rekenmachine |
| gen. | calculating machine | rekenaar |
| gen. | calculating machines | rekenmachines |
| patents. | calculating machines and apparatus | rekenmachines en -apparaten |
| patents. | calculating machines and data-processing equipment | rekenmachines en gegevensverwerkende apparatuur |
| patents. | calculating machines, data-processing equipment and computers | rekenmachines, gegevensverwerkende apparatuur en computers |
| patents. | calculating machines, fire-extinguishing apparatus | rekenmachines, blandblusapparaten |
| patents. | calculators and calculating machines | calculators en rekenmachines |
| patents. | cash registers, calculating machines | kasregisters, rekenmachines |
| patents. | cash registers, calculating machines and data processing equipment | kasregisters, rekenmachines en gegevensverwerkende apparatuur |
| patents. | cash registers, calculating machines, data processing equipment and computers | kasregisters, rekenmachines, gegevensverwerkende apparatuur en computers |
| patents. | cash registers, calculating machines, fire-extinguishing apparatus | kasregisters, rekenmachines, brandblusapparaten |
| el. | electric calculating machine | elektrische rekenmachine |
| IT | electronic calculating machine | elektronische rekenmachine |
| math., meas.inst. | mechanical calculating machine | mechanische rekenmachine |
| patents. | paper ribbons for calculating machines | linten van papier voor rekenmachines |
| gen. | stands for calculating machines | onderstellen voor rekenmachines |
| industr., construct. | strie of paper for calculating machines | telmachinerol |
| industr., construct. | strie of paper for calculating machines | papierstrook voor rekenmachines |