It is. A piece of trivia: AFAIR, you say SUM 2 3 in Logo to add two numbers, but [SUM 2 3 4] to add more. (Though I learned Logo more than three decad

It is. A piece of trivia: AFAIR, you say SUM 2 3 in Logo to add two numbers, but [SUM 2 3 4] to add more. (Though I learned Logo more than three decades ago, so I might be mistaken.)