calculator vs teller

calculator

noun
  • A mechanical or electronic device that performs mathematical calculations. 

  • A person who calculates (in the sense of scheming). 

teller

noun
  • Synonym of automated teller machine 

  • A bank clerk who receives and pays out money. 

  • A person who tells stories. 

  • A person who counts the votes in an election. 

How often have the words calculator and teller occurred in a corpus of books? (source: Google Ngram Viewer )