AnalyzerSentence analysis3SpansSentence珠算式暗算1000 character limitAnalyzeSentence珠しゅ算ざん式しき暗あん算ざんSpan Details珠しゅ算ざんabacus calculation; arithmetic with an abacusnoun式しきstyle; method; system; type; ceremony; rite; celebration; wedding ceremony; equation; formula; mathematical expression; enforcement regulations of the ritsuryō codesnoun, noun suffix暗あん算ざんmental arithmetic; mental calculationnoun, suru verb