Although blind students have benefited from talking calculators, the abacus is often taught to these students in early grades.
ɔːlðˈoʊ blˈaɪnd stˈuːdənts hæv bˈɛnɪfˌɪɾᵻd fɹʌm tˈɔːkɪŋ kˈælkjʊlˌeɪɾɚz, ðɪ ˈæbækəs ɪz ˈɔfən tˈɔːt tə ðiːz stˈuːdənts ɪn ˈɜːli ɡɹˈeɪdz.