Declension table of ?caṇitavya

Neuter	Singular	Dual	Plural
Nominative	caṇitavyam	caṇitavye	caṇitavyāni
Vocative	caṇitavya	caṇitavye	caṇitavyāni
Accusative	caṇitavyam	caṇitavye	caṇitavyāni
Instrumental	caṇitavyena	caṇitavyābhyām	caṇitavyaiḥ
Dative	caṇitavyāya	caṇitavyābhyām	caṇitavyebhyaḥ
Ablative	caṇitavyāt	caṇitavyābhyām	caṇitavyebhyaḥ
Genitive	caṇitavyasya	caṇitavyayoḥ	caṇitavyānām
Locative	caṇitavye	caṇitavyayoḥ	caṇitavyeṣu

Compound caṇitavya -

Adverb -caṇitavyam -caṇitavyāt