der Algorithmus
algorithm
Full 4-Case Declension Table
Switch determiner types to inspect how articles and noun endings change together.
Definite (der / die / das): Used for specific, already known, or general-category nouns.
| Case (Fall) | Question | Singular | Plural |
|---|---|---|---|
Nominative Nominativ (Werfall) | Wer oder was? | der Algorithmus | die Algorithmen |
Accusative Akkusativ (Wenfall) | Wen oder was? | den Algorithmus | die Algorithmen |
Dative Dativ (Wemfall) | Wem? | dem Algorithmus | den Algorithmen |
Genitive Genitiv (Wesfall) | Wessen? | des Algorithmus | der Algorithmen |
Indefinite (ein / eine): Used when introducing a countable singular noun; has no plural article in German.
| Case (Fall) | Question | Singular | Plural |
|---|---|---|---|
Nominative Nominativ (Werfall) | Wer oder was? | ein Algorithmus | Algorithmen |
Accusative Akkusativ (Wenfall) | Wen oder was? | einen Algorithmus | Algorithmen |
Dative Dativ (Wemfall) | Wem? | einem Algorithmus | Algorithmen |
Genitive Genitiv (Wesfall) | Wessen? | eines Algorithmus | Algorithmen |
Negative (kein / keine): Negates nouns with or without an indefinite article; follows ein-words in singular and die in plural.
| Case (Fall) | Question | Singular | Plural |
|---|---|---|---|
Nominative Nominativ (Werfall) | Wer oder was? | kein Algorithmus | keine Algorithmen |
Accusative Akkusativ (Wenfall) | Wen oder was? | keinen Algorithmus | keine Algorithmen |
Dative Dativ (Wemfall) | Wem? | keinem Algorithmus | keinen Algorithmen |
Genitive Genitiv (Wesfall) | Wessen? | keines Algorithmus | keiner Algorithmen |
Possessive (mein / dein / …): Uses ein-word endings in singular and definite-like endings in plural (mein/dein/sein/ihr/unser/euer/Ihr).
| Case (Fall) | Question | Singular | Plural |
|---|---|---|---|
Nominative Nominativ (Werfall) | Wer oder was? | mein Algorithmus | meine Algorithmen |
Accusative Akkusativ (Wenfall) | Wen oder was? | meinen Algorithmus | meine Algorithmen |
Dative Dativ (Wemfall) | Wem? | meinem Algorithmus | meinen Algorithmen |
Genitive Genitiv (Wesfall) | Wessen? | meines Algorithmus | meiner Algorithmen |
Why These Endings Work
Standard pattern for most masculine (der) and neuter (das) nouns: genitive singular ends in -s or -es.
- Plural "Algorithmen" already ends in -n or -s, so Dative plural stays Algorithmen.
Example Sentences in Context
Algorithmen steuern den Informationsfluss.
Algorithms control the flow of information.
Mit diesem Algorithmus sortiert das Programm die Daten.
The program sorts the data with this algorithm.
Interactive Tools & Related Guides
More Nouns in Study & Grammar
FAQs: der Algorithmus
Is "Algorithmus" der, die, or das in German?
"Algorithmus" takes the masculine definite article "der" (der Algorithmus). Gender cue: Suffix -mus -> masculine (der); no extra -s in Gen, plural -men.
What is the plural and Dative plural of "der Algorithmus"?
The Nominative plural of der Algorithmus is "die Algorithmen" (pattern: irregular). In the Dative plural it becomes "den Algorithmen".
How does "der Algorithmus" change in the Genitive, Accusative, and Dative?
As a strong masculine noun, "Algorithmus" changes only in the Genitive singular (des Algorithmus); Accusative and Dative keep "Algorithmus".