AnalyzerSentence analysis3SpansSentence航法計算盤1000 character limitAnalyzeAnalysis warningThe supplied reading could not be aligned to the sentence.Sentence航こう法ほう計けい算盤そろばんSpan Details航こう法ほうnavigation; sailingnoun計けいplan; scheme; arrangement; meter; gauge; measuring device; total; in totalnoun, noun suffix, prefix算盤そろばんabacus; soroban; calculation; reckoning; profit-and-loss calculationnoun