The Russian abacus, the schoty (, plural from , counting), usually has a single slanted deck, with ten beads on each wire (except one wire with four beads for quarter-ruble fractions).
ðə ɹˈʌʃən ˈæbækəs, ðə skˈoʊɾi, plˈʊɹɹəl fɹʌm , kˈaʊntɪŋ, jˈuːʒuːəli hɐz ɐ sˈɪŋɡəl slˈæntᵻd dˈɛk, wɪð tˈɛn bˈiːdz ˌɔn ˈiːtʃ wˈaɪɚ ɛksˈɛpt wˈʌn wˈaɪɚ wɪð fˈoːɹ bˈiːdz fɔːɹ kwˈɔːɹɾɚɹˈuːbəl fɹˈækʃənz.