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March 5, 2015

March 5, 2015

Posted by **Sam** on Friday, January 18, 2013 at 11:42am.

4sqrt-1

- Math -
**Reiny**, Friday, January 18, 2013 at 12:05pmyour calculator will surely revolt at your attempt

try:

4

x

√

-1

=

mine says "Error 2"

Calculators usually are not programmed to do imaginary numbers

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