Declension table of ?sāṅkhyāyanatantra

Neuter	Singular	Dual	Plural
Nominative	sāṅkhyāyanatantram	sāṅkhyāyanatantre	sāṅkhyāyanatantrāṇi
Vocative	sāṅkhyāyanatantra	sāṅkhyāyanatantre	sāṅkhyāyanatantrāṇi
Accusative	sāṅkhyāyanatantram	sāṅkhyāyanatantre	sāṅkhyāyanatantrāṇi
Instrumental	sāṅkhyāyanatantreṇa	sāṅkhyāyanatantrābhyām	sāṅkhyāyanatantraiḥ
Dative	sāṅkhyāyanatantrāya	sāṅkhyāyanatantrābhyām	sāṅkhyāyanatantrebhyaḥ
Ablative	sāṅkhyāyanatantrāt	sāṅkhyāyanatantrābhyām	sāṅkhyāyanatantrebhyaḥ
Genitive	sāṅkhyāyanatantrasya	sāṅkhyāyanatantrayoḥ	sāṅkhyāyanatantrāṇām
Locative	sāṅkhyāyanatantre	sāṅkhyāyanatantrayoḥ	sāṅkhyāyanatantreṣu

Compound sāṅkhyāyanatantra -

Adverb -sāṅkhyāyanatantram -sāṅkhyāyanatantrāt