00:00If you want to explain what the formula does, you can document the formula within the formula itself
00:05using the n function. Let me explain. Let's say for example, you have this complicated formula
00:10and you want to explain what this does. Basically, you're going to say plus n function,
00:15open parenthesis, double code. I'm going to say this is a result for students of 2023.
00:25Double code, close parenthesis, and hit enter. So what's happening here is that n function,
00:32and on the argument, if it's a string, it will return a value of zero. Let me show you what it
00:36does. I'm going to hit enter and if I copy that formula in here, equal that, you can see it's zero.
00:43And over here, sum product plus zero is the sum product itself.
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