I’m trying to understand how the Lookup function works but before I continue with that, I need to know how to create a formula field that gives me my current weight, date of the recording as well as the time? How can I do this? My fields are pretty s...

I have a tutoring schedule log and I want to calculate the hours I work. Right now, I have a start time and end time, how can I calculate the hours in-between?

I have two columns in dollar amounts, one is called “Total” and the other is called “Amount Paid.” Basically, I need help with basic a subtraction formula to find what is the difference and that difference will go into a third column called “Availabl...