Calculator
  
  A calculator is an electronic device used for performing mathematical calculations.
  
  Senses:
  
    - An electronic device for performing mathematical operations.
- A person who performs calculations.
Usages:
  
  1. Electronic Device:
  When referring to an electronic device, the term "calculator" typically denotes a portable device capable of performing various mathematical operations, such as addition, subtraction, multiplication, and division. Calculators come in different types, including basic, scientific, graphing, and financial calculators.
  Sample Sentence:
  I need a calculator to solve this complex equation.
  Search for calculators on Amazon
  
  2. Person:
  The term "calculator" can also refer to a person who performs calculations manually or using a computing device. This usage is less common in everyday language.
  Sample Sentence:
  John is an exceptional calculator; he can mentally solve complex math problems within seconds.