This is a privacy policy for Zyba Ltd (the company behind CodeCogs.com). Our homepage on the Web is located at http://www.codecogs.com. The full text of our privacy policy is available on the Web at http://www.codecogs.com/pages/agreements/privacy_policy.html.

Users can adjust there settings and personal details at MyCogs ->Contact Details

We invite you to contact us if you have questions about this policy. You may contact us by mail at the following address:

CodeCogs
Zyba Ltd
Broadwood
Holford
Bridgwater, Somerset TA5 1DU
UK

You may contact us by e-mail using the following form Contact CodeCogs or you may call us at +44 (0) 207 193 9303.

Dispute Resolution and Privacy Seals

Zyba is registered under the UK Data Protection Act 1998, number Z9501850. You may verify our registration at <a href="http://www.esd.informationcommissioner.gov.uk/esd/search.asp">Information Commissioner</a>

If you feel that this site is not following its stated information policy, you may contact us at the above addresses or phone number. If still feel we have not resolved your problem adequately, then we will adhere to rulings by the DMA's Committee on Ethical Business Practices at mgoldberger@the-dma.org.

Additional Information

This policy is valid from 1 October 2007 to 31 August 2011 at 12:00:00 BST.

Data Collection

P3P policies declare the data they collect in groups (also referred to as "statements"). This policy contains 4 data groups. The data practices of each group will be explained separately.

Group "Access log information"

We collect the following information:

• Click-stream data
• HTTP protocol elements

This data will be used for the following purposes:

• Completion and support of the current activity.
• Web site and system administration.
• Research and development.

This data will be used by ourselves and our agents only.

The following explanation is provided for why this data is collected: Our Apache Web server collects access logs containing this information by default. We use this information occasionally to trace faults and for our own internal improvements to the website.

Group "Cookies"

We collect the following information:

• HTTP cookies

This data will be used for the following purposes:

• Completion and support of the current activity.
• Web site and system administration.
• One-time tailoring.
• Anonymous user analysis.
• Anonymous user profiling and decision-making.
• User analysis.
• User profiling and decision-making.

This data will be used by ourselves and our agents.

The following explanation is provided for why this data is collected: Cookies are used to track visitors to our site, so we can better understand what portions of our site best serve you. For the most part cookies are use to remember your personal preferences on pages where there options (i.e. default modes in the equation editor). We also use cookies to allow our servers to maintain your login-state between pages and also to identify your shopping cart when you are not logged in.

Group "Transaction info (required)"

We collect the following information:

• Online contact information
• Purchase information
• Computer information

This data will be used for the following purposes:

• Completion and support of the current activity.
• Web site and system administration.
• Research and development.
• One-time tailoring.

This data will be used by ourselves and our agents.

The following explanation is provided for why this data is collected: Information we collect in order to process your purchase.

Group "Transaction info (optional)"

At the user's option, we will collect the following data:

• Physical contact information
• Demographic data

This data will be used for the following purposes:

• Contacting visitors for marketing of services or products.

This data will be used by ourselves and our agents.

The following explanation is provided for why this data is collected:

Information we collect in order to process your purchase.

Cookies

Cookies are a technology which can be used to provide you with tailored information from a Web site. A cookie is an element of data that a Web site can send to your browser, which may then store it on your system. You can set your browser to notify you when you receive a cookie, giving you the chance to decide whether to accept it.

Our site makes use of cookies. Cookies are used for the following purposes:

• Site administration
• Completing the user's current activity
• User targeting
• Pseudononymous analysis
• Pseudonym-based decision-making
• User analysis
• Individual-based decision-making

Compact Policy Summary

The compact policy which corresponds to this policy is:

    CP="ALL DSP COR MON LAW CURa ADMa DEVa TAIa PSAa PSDa IVAa IVDa CONa OUR BUS IND PHY ONL UNI PUR COM NAV DEM STA LOC"

The following table explains the meaning of each field in the compact policy.

Field	Meaning
CP=	This is the compact policy header; it indicates that what follows is a P3P compact policy.
ALL	Access to all collected information is available.
DSP	The policy contains at least one dispute-resolution mechanism.
COR	Violations of this policy will be corrected.
MON	Violations of this policy have monetary penalties.
LAW	Privacy law specifies penalties for a violation of this policy.
CURa	The data is used for completion of the current activity.
ADMa	The data is used for site administration.
DEVa	The data is used for research and development.
TAIa	The data is used for tailoring the site.
PSAa	The data is used for pseudononymous analysis.
PSDa	The data is used for pseudononymous decision-making.
IVAa	The data is used for analysis, including knowledge of the visitor's identity.
IVDa	The data is used for decision-making, including knowledge of the visitor's identity.
CONa	The data is used for contacting the user.
OUR	The data is given to ourselves and our agents.
BUS	Our business practices specify how long the data will be kept.
IND	The data will be kept indefinitely.
PHY	Physical contact information is collected.
ONL	Online contact information is collected.
UNI	Unique identifiers are collected.
PUR	Purchase information is collected.
COM	Computer information is collected.
NAV	Navigation and clickstream data is collected.
DEM	Demographic and socioeconomic data is collected.
STA	State-management data is collected
LOC	Current location information is collected.

The compact policy is sent by the Web server along with the cookies it describes. For more information, see the P3P deployment guide at http://www.w3.org/TR/p3pdeployment.

Policy Evaluation

Microsoft Internet Explorer 6 will evaluate this policy's compact policy whenever it is used with a cookie. The actions IE will take depend on what privacy level the user has selected in their browser (Low, Medium, Medium High, or High; the default is Medium. In addition, IE will examine whether the cookie's policy is considered satisfactory or unsatisfactory, whether the cookie is a session cookie or a persistent cookie, and whether the cookie is used in a first-party or third-party context. This section will attempt to evaluate this policy's compact policy against Microsoft's stated behavior for IE6.

Note: this evaluation is currently experimental and should not be considered a substitute for testing with a real Web browser.

Unsatisfactory policy: this compact policy is considered unsatisfactory according to the rules defined by Internet Explorer 6. The behavior of Internet Explorer 6 regarding cookies set under this compact policy is as follows:

	First-party usage	Third-party usage
Persistent Cookies	Low: Policy satisfactory at this level; cookies will be accepted. Medium: Opt-out is not provided for all unsatisfactory purposes and recipients, so the cookie will be downgraded to a session cookie. Medium High: No opt-out is provided, so the cookie will be blocked. High: Since opt-in is not required, the cookie will be blocked.	Low: Opt-out is not provided for all unsatisfactory purposes and recipients, so the cookie will be downgraded to a session cookie. Medium: Opt-out is not provided for all unsatisfactory purposes and recipients, so the cookie will be blocked. Medium High: Since opt-in is not required, the cookie will be blocked. High: Since opt-in is not required, the cookie will be blocked.
Session Cookies	Low: Policy satisfactory at this level; cookies will be accepted. Medium: Policy satisfactory at this level; cookies will be accepted. Medium High: Policy satisfactory at this level; cookies will be accepted. High: Since opt-in is not required, the cookie will be blocked.	Low: Policy satisfactory at this level; cookies will be accepted. Medium: Opt-out is not provided for all unsatisfactory purposes and recipients, so the cookie will be blocked. Medium High: Since opt-in is not required, the cookie will be blocked. High: Since opt-in is not required, the cookie will be blocked.

A policy which is considered unsatisfactory by Internet Explorer 6 contains certain categories of data which are used or shared in a particular manner. This policy is placed in the unsatisfactory category, because the following categories of data are associated with this policy's cookies:

• Physical contact information is collected.
• Online contact information is collected.

In addition, the data is used in the following manner, marking the policy as unsatisfactory:

• The data is used for contacting the user.
• The data is used for analysis, including knowledge of the visitor's identity.
• The data is used for decision-making, including knowledge of the visitor's identity.

Note that allowing an opt-out will make this policy acceptable under the Low and Medium settings, and under Medium High for first-party cookie usage. At the High setting, and at the Medium High setting for third-party cookies, all of these data uses must be opt-in for the policy to be considered satisfactory.