# what happened to square_root() for rationals?

I have some old code that takes the square_root() of rational numbers. This function seems to be long gone. How do I replace its functionality?

what happened to square_root() for rationals?

asked **
2013-02-11 08:21:08 -0600
**

Anonymous

I have some old code that takes the square_root() of rational numbers. This function seems to be long gone. How do I replace its functionality?

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1

Or are you thinking of `sqrt_approx` - deprecated since http://trac.sagemath.org/sage_trac/ticket/4611 ?

0

I found online an old (ver 1.4.1) sage manual that says that square_root() for rationals: "Return the positive rational square root of self, or raises a ValueError if self is not a perfect square."

So with this information is easy enough to code up a simple function to replace it.

I do wonder why it went away and or if it has been renamed or replaced somehow.

2

Asked: **
2013-02-11 08:21:08 -0600
**

Seen: **112 times**

Last updated: **Feb 13 '13**

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