My Casio calculator shows 'P ERROR' after entering a complex formula. What's the most common mistake?

By: USER6711
25 Agustus 2025 Support 5 minutes
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Question

Grade: Education Subject: Support
My Casio calculator shows 'P ERROR' after entering a complex formula. What's the most common mistake?
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Answer (101)

Best Answer
(210)
The most common mistake leading to a 'P ERROR' in complex formulas is forgetting to close a parenthesis that was opened earlier in the expression, or accidentally adding an extra closing parenthesis at the end.
Answered on 25 Agustus 2025

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