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mattip merged 1 commit into from
Sep 17, 2026
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DOC: Add root redirect to /latest/ #154

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104 changes: 3 additions & 101 deletions index.html
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Original file line number Diff line number Diff line change
@@ -1,105 +1,7 @@
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
<title>numpy-financial</title>
<style type="text/css">
code{white-space: pre-wrap;}
span.smallcaps{font-variant: small-caps;}
span.underline{text-decoration: underline;}
div.column{display: inline-block; vertical-align: top; width: 50%;}
</style>
<link rel="stylesheet" href="css/home.css" />
<!--[if lt IE 9]>
<script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
<![endif]-->
<title>
numpy-financial
</title>
<link rel="icon" type="image/png" href="images/numpy_financial_favicon.png" />
<meta http-equiv="refresh" content="0; URL=latest/">
<link rel="canonical" href="https://numpy.org/numpy-financial/latest/">
</head>
<body>
<h1 id="logo"><img src="images/numpy_financial_logoh.svg" title="numpy-financial logo" alt="logo" /></h1>
<aside id="asidelinks">
<h3>Reference Documentation</h3>
<a href="https://numpy.org/numpy-financial/latest/" class="link2">Latest release</a>
<a href="https://numpy.org/numpy-financial/dev/" class="link2">Development version</a>
<h3>Source Code on GitHub</h3>
<a href="https://github.com/numpy/numpy-financial" class="link2">numpy-financial</a>
</aside>
<p>
The numpy-financial Python package is a collection of elementary
financial functions. These functions were copied to this package
from version 1.17 of NumPy.
</p>
<p>The <a href="https://numpy.org/doc/1.17/reference/routines.financial.html">financial functions in NumPy</a>
are deprecated and eventually will be removed from NumPy; see
<a href="https://numpy.org/neps/nep-0032-remove-financial-functions.html">NEP-32</a>
for more information. This package is the replacement for the deprecated
NumPy financial functions.
</p>

<h2 id="installation">Installation</h2>
<p>
The package is available on <a href="https://pypi.org/project/numpy-financial">PyPI</a>, and may be installed
with <code>pip</code>:

<pre>
$ pip install numpy-financial
</pre>

The package requires NumPy version 1.15 or later.
</p>

<h2 id="using">Using <code>numpy_financial</code></h2>
<p>
The importable name of the package is <code>numpy_financial</code>.
The recommended alias is <code>npf</code>. For example,
</p>
<pre>
>>> import numpy_financial as npf
>>> npf.irr([-250000, 100000, 150000, 200000, 250000, 300000])
0.5672303344358536
</pre>

<h2 id="replacing">Switching from <code>numpy</code> to <code>numpy_financial</code></h2>
<ul>
<li>
<p>Code that imports the function names like this
<pre>
from numpy import npv, irr
</pre>
requires only that the import be changed to
<pre>
from numpy_financial import npv, irr
</pre>
</p>
</li>
<li>
<p>For code that uses the <code>numpy</code> namespace like this
<pre>
import numpy as np

x = np.array([-250000, 100000, 150000, 200000, 250000, 300000])
r = np.irr(x)
</pre>
the import statement for the numpy-financial package must be added,
and the calls of the financial functions must be changed to use
the <code>npf</code> namespace:
<pre>
import numpy as np
import numpy_financial as npf

x = np.array([-250000, 100000, 150000, 200000, 250000, 300000])
r = npf.irr(x)
</pre>
</p>
</li>
</ul>

<div id="footer">
&copy; 2019 NumPy-Financial Developers</a>
</div>
</body>
</html>