I use EXCEL which is simply a spreadsheet on the computer. Takes very little time to set up. If you have access to any type of computer spreadsheet software, you can make one. Simply use the W&B data supplied by your manual and once that is set up, you simply need to plug in your weights and at what stations for a particular flight and presto, the computer will spit out what you are looking for.
Good Luck,
Ed
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