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Updated 24 Dec 2016

Donate to BrownMath.com

Copyright © 2015–2017 by Stan Brown

I’m glad you found this site useful. As you know, there’s no advertising on this site, but I still have to pay for storage, bandwidth, and Internet.

How much is that math help or calculator program worth to you? Please donate a few bucks to show your appreciation, keep this site advertising free, and support new content. It’s easy to do through PayPal. Just click the button below, and then PayPal will ask you to fill in an amount.

Because this site helps you,
please click to donate!
Because this site helps you,
please donate at
BrownMath.com/donate.

No PayPal account? No problem! Use a credit card instead. PayPal will give you the choice to create an account to save the information, or not — you decide. (See Buyers Can Checkout Without a PayPal Account.)

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