積せき算さんTop 25000MeaningsNounSuru verbTransitive verb1. addition; adding up2. integration3. estimate; quantity surveyKanji used積pile up and accumulate算calculatePitch accentせきさんUsed in vocabulary積せき算さん電でん力りょく計けいwatt-hour meterNoun積せき算さん法ほうintegrationNoun