# Cubic root in Wolfram|Alpha?

Posted 1 month ago
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 Could someone please explain why cube root(-343) doesn't equal (-343)^(1/3) on both Wolfram Alpha and my HP-48 calculator.cube root(-343)= -7, yet (-343)^(1/3)= 3.5 +6.062177... iLinks:
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Posted 1 month ago
 Look for where it says "Assuming the principal root | Use the real‐valued root instead." That link will give you
Posted 1 month ago
 I don't even know the maths of roots other than the square root, so I can't even tell for sure what I want to expect as result. All I need to know is that in Mathematica you can enter/handle the radical expression either with Ctrl+[2][5], with Power[], with Surd[], or with CubeRoot[].