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→Sign Convention: Clarify sign errors and sign switching.
<u>Note:</u>
<u>Note:</u>
*A wrong sign will change the computed results and give an incorrect answer.
*One wrong sign will change the computed results and give an incorrect answer.
*If you consistently change all signs in the problem, you switch roles (for example, switching from being the borrower to being the lender)
*In all problems, both signs must be used. Sometimes the other sign is in the answer.
*In all problems, both signs must be used. Sometimes the other sign is in the answer.
<span style="color:green;">Double-check signs on examples. Example 1 needs a sign swap.</span> --[[User:LadyGeek|LadyGeek]] 02:40, 15 March 2010 (UTC)
<span style="color:green;">Double-check signs on examples. Example 1 needs a sign swap.</span> --[[User:LadyGeek|LadyGeek]] 02:40, 15 March 2010 (UTC)
===Financial variables===
===Financial variables===