Declension table of ?aṇitavya

Neuter	Singular	Dual	Plural
Nominative	aṇitavyam	aṇitavye	aṇitavyāni
Vocative	aṇitavya	aṇitavye	aṇitavyāni
Accusative	aṇitavyam	aṇitavye	aṇitavyāni
Instrumental	aṇitavyena	aṇitavyābhyām	aṇitavyaiḥ
Dative	aṇitavyāya	aṇitavyābhyām	aṇitavyebhyaḥ
Ablative	aṇitavyāt	aṇitavyābhyām	aṇitavyebhyaḥ
Genitive	aṇitavyasya	aṇitavyayoḥ	aṇitavyānām
Locative	aṇitavye	aṇitavyayoḥ	aṇitavyeṣu

Compound aṇitavya -

Adverb -aṇitavyam -aṇitavyāt