The Art of Mathematics

Help 6.38

re — real part

1. Definition

For complex number

z = a + i b, where a and b are real numbers

its real part is defined as

re(z) ≡ a

2. How to use

To get real part of the number:

re(2+i);

To get real part of the current result:

re(rslt);

To get real part of the number z in calculator memory:

re(mem[z]);

3. Support

Real part of the complex number is supported in professional version of the Librow calculator.