Solution 11243: Correcting an Error 5 on the BA II PLUS™ and the BA II
Why does an Error 5 occur on the BA II PLUS and the BA II PLUS PROFESSIONAL?
The BA II PLUS or the BA II PLUS PROFESSIONAL will produce an Error
5 when the signs for Present Value, Payment, and Future Value are the
same (all positive or all negative). According to the type of Time Value of
Money (TVM) problem being calculated, the sign may need to be changed for one of
The rules for inflows (positive) and outflows (negative) are discussed in
Chapter 2, page 32 of the BA II Plus guidebook and Chapter 2, page 21 of the
BAII Plus Professional guidebooks.
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