norm(coord(3,4))
Let's evaluate:
ⅰ =
ⓘ Powers are computed before multiplications, additions and subtractions. A power with a positive integer exponent is a repeated product: = = ■Calculate powers before multiplications, additions and subtractions. A power with a positive integer exponent is a repeated product: = =
ⓘ Parentheses are computed first: =
ⓘ The square root of a nonnegative real number is the nonnegative number whose square is that number: = because =
▶Result: