Python Math Operators: + − × ÷ and Beyond

The Six Core Operators

• + addition
• - subtraction
• * multiplication
• / true division (always returns float)
• // floor division (drops the remainder)
• % modulo (the remainder)
• ** exponent

7 / 2    # 3.5
7 // 2   # 3
7 % 2    # 1
2 ** 10  # 1024

Operator Precedence

Python follows standard math order: parentheses, exponents, multiply/divide, add/subtract. Use brackets when in doubt.

result = 2 + 3 * 4      # 14
result = (2 + 3) * 4    # 20

Combined Assignment

x = 10
x += 5   # 15
x *= 2   # 30
x //= 4  # 7

HKDSE Modulo Pattern

if n % 2 == 0:
    print("even")
else:
    print("odd")