The abacus gives these students a tool to compute mathematical problems that equals the speed and mathematical knowledge required by their sighted peers using pencil and paper.
ðɪ ˈæbækəs ɡˈɪvz ðiːz stˈuːdənts ɐ tˈuːl tə kəmpjˈuːt mˌæθɪmˈæɾɪkəl pɹˈɑːbləmz ðæt ˈiːkwəlz ðə spˈiːd ænd mˌæθɪmˈæɾɪkəl nˈɑːlɪdʒ ɹᵻkwˈaɪɚd baɪ ðɛɹ sˈaɪɾᵻd pˈɪɹz jˈuːzɪŋ pˈɛnsəl ænd pˈeɪpɚ.