Arduino: Math Operations

[last updated: 2023-07-08]
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• Arithmetic Operators:
  % (remainder)
        remainder = dividend % divisor
        dividend & divisor must be integers
        divisor cannot be zero

  * (multiplication)
  + (addition)
  - (subtraction)
  / (division)
  = (assignment operator)

• Functions:
  • round(); ... standard C function, not officially documented as working in Arduino ...
  • max(var1, var2); ... returns value of the largest of the two vars
  • min(var1, var2); ... returns value of the smallest of the two vars
  • highByte(x); ... takes x as a value of any data type, and returns the byte that is the left-most byte of a 16-bit word,
    or the second lowest byte of a larger data type.

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