It’s not rocket science

We use this expression to say that something is quite easy.

You can use this phrase in ………… language.

 Spoken
 Written
 Informal

Example 1
A: How did you manage to record this movie?
B: It’s not rocket science! I just programed the DVD recorder.

Example 2
A: How did you find the address of the place?
B: „It’s not rocket science. I just googled it.