overview of c++

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Across
  1. 2. constant that contains fractional part
  2. 3. variable name should begin with
  3. 5. types of constants
  4. 7. memory boxes hold
  5. 8. reserved words
Down
  1. 1. point signed real number
  2. 2. point example of numeric constants
  3. 4. identifiers are also called
  4. 6. numeric constants consist of