Usage Policy

What follows is the Codecogs Equation Editor usage policy:

• Equations generated by CodeCogs can be used for any purpose, anywhere, for free.
• Our servers' daily limit for equation generation is 3,000: see Fair Usage.
• Our Equation Editor is free to use on public websites when it is integrated into another website using our Javascript Plugins
• For all other uses, a licence is required.

To avoid any disruption to your service, please follow these guidelines:

• Notify us if you plan to routinely use our service. We'll keep you informed of any changes that might affect you.
• Notify us in advance if you need to make more than 20,000 calls in any one day.
• Notify us if you experience any interruptions or irregularities in the service. We can not watch how the system works from all corners of the world, so your experience in the field is important to us. Generally speaking, without user feedback, we assume everything is operating correctly.
• Please recommend us to your friends and colleagues.
• Please promote this service on your website using either of these images:

	<a href="http://www.codecogs.com" target="_blank"><img src="http://www.codecogs.com/images/poweredbycc.gif" border="0" title="CodeCogs - An Open Source Scientific Library" alt="CodeCogs - An Open Source Scientific Library"></a>
	<a href="http://www.codecogs.com" target="_blank"><img src="http://www.codecogs.com/images/logo.gif" border="0" title="CodeCogs - An Open Source Scientific Library" alt="CodeCogs - An Open Source Scientific Library"></a>

Fair Usage

If you are making large demand on the CodeCogs servers, then you are required to contribute to running costs. Costs vary according to circumstances. Although non-profit websites will most likely get a special rate, the general guide for most users is as follows: