👉 In mathematics and computer science, a "turndown" is a mathematical operation that causes an output value to be returned as input. It's used in programming when you want to return values from functions or methods without having to explicitly call them. For example: ```python def add(x, y): return x + y result = add(2, 3) print(result) # Output: 5 ``` In this case, the "add" function receives two inputs `