Legal Information

Conditions of Use

Welcome to Acta Sci. Math. ("Acta") provides website features to you subject to the following conditions. If you visit at, you accept these conditions. Please read them carefully. In addition, when you use any current or future service or business this site you also will be subject to the guidelines, terms and agreements ("Terms")  applicable to such service or business. If these conditions are inconsistent with such Terms, the Terms will control.


Please review our Privacy Policy at the end of this document.


When you visit or send e-mails to Acta Sci. Math., you are communicating with us electronically. You consent to receive communications from us electronically. We will communicate with you by e-mail or by posting notices on this site. You agree that all agreements, notices, disclosures and other communications that we provide to you electronically satisfy any legal requirement that such communications be in writing.


All content included on this site, such as text, graphics, logos, button icons, images, audio clips, digital downloads, data compilations, and software, is the property of Acta Sci. Math or its content suppliers and protected by Hungarian and international copyright laws. The compilation of all content on this site is the exclusive property of Acta Sci. Math. and protected by Hungarian and international copyright laws. All software used on this site is the property of Acta Sci. Math. or its software suppliers and protected by Hungarian and international copyright laws.


Acta Sci. Math.'s trademarks and trade dress may not be used in connection with any product or service that is not Acta's, in any manner that is likely to cause confusion among customers, or in any manner that disparages or discredits Acta Sci. Math. and/or its affiliates. All other trademarks not owned by Acta Sci. Math. and/or its affiliates that appear on this site are the property of their respective owners, who may or may not be affiliated with, connected to, or sponsored by Acta Sci. Math. and/or its affiliates.


One or more patents owned by affiliates of Acta Sci. Math. apply to this site and to the features and services accessible via the site. Portions of this site operate under license of one or more patents.


Acta Sci. Math. grants you a limited license to access and make personal use of this site and not to download (other than page caching) or modify it, or any portion of it, except with express written consent of Acta Sci. Math. This license does not include any resale or commercial use of this site or its contents; any collection and use of any product listings, descriptions, or prices; any derivative use of this site or its contents; any downloading or copying of account information for the benefit of another merchant; or any use of data mining, robots, or similar data gathering and extraction tools. This site or any portion of this site may not be reproduced, duplicated, copied, sold, resold, visited, or otherwise exploited for any commercial purpose without express written consent of Acta Sci. Math.. You may not frame or utilize framing techniques to enclose any trademark, logo, or other proprietary information (including images, text, page layout, or form) of Acta Sci. Math. without express written consent. You may not use any meta tags or any other "hidden text" utilizing Acta's name or trademarks without the express written consent of Acta Sci. Math.. Any unauthorized use terminates the permission or license granted by Acta Sci. Math. and/or its affiliates. You are granted a limited, revocable, and nonexclusive right to create a hyperlink to the home page of so long as the link does not portray Acta Sci. Math, or its products or services in a false, misleading, derogatory, or otherwise offensive matter. You may not use any Acta Sci. math.s logo or other proprietary graphic or trademark as part of the link without express written permission.


If you use this site, you are responsible for maintaining the confidentiality of your account and password and for restricting access to your computer, and you agree to accept responsibility for all activities that occur under your account or password. Acta Sci. Math. and/or its affiliates does sell products for children, but it sells them to adults, who can purchase with a credit card or other permitted payment method. If you are under 18, you may use only with involvement of a parent or guardian. Acta Sci. Math. reserves the right to refuse service, terminate accounts, remove or edit content, or cancel orders in their sole discretion.


Visitors may post reviews, comments, photos, and other content; send e-cards and other communications; and submit suggestions, ideas, comments, questions, or other information, so long as the content is not illegal, obscene, threatening, defamatory, invasive of privacy, infringing of intellectual property rights, or otherwise injurious to third parties or objectionable and does not consist of or contain software viruses, political campaigning, commercial solicitation, chain letters, mass mailings, or any form of "spam." You may not use a false e-mail address, impersonate any person or entity, or otherwise mislead as to the origin of a card or other content. Acta Sci. Math. reserves the right (but not the obligation) to remove or edit such content, but does not regularly review posted content.

If you do post content or submit material, and unless we indicate otherwise, you grant Acta Sci. Math. a nonexclusive, royalty-free, perpetual, irrevocable, and fully sublicensable right to use, reproduce, modify, adapt, publish, translate, create derivative works from, distribute, and display such content throughout the world in any media. You grant Acta Sci. Math. and sublicensees the right to use the name that you submit in connection with such content, if they choose. You represent and warrant that you own or otherwise control all of the rights to the content that you post; that the content is accurate; that use of the content you supply does not violate this policy and will not cause injury to any person or entity; and that you will indemnify Acta Sci. Math. for all claims resulting from content you supply. Acta Sci. Math. has the right but not the obligation to monitor and edit or remove any activity or content. Acta Sci. Math. takes no responsibility and assumes no liability for any content posted by you or any third party.


Acta Sci. Math. respects the intellectual property of others. If you believe that your work has been copied in a way that constitutes copyright infringement, please provide Acta Sci. Math. the written information specified below. Please note that this procedure is exclusively for notifying Acta Sci. Math. that your copyrighted material has been infringed.

    * An electronic or physical signature of the person authorized to act on behalf of the owner of the copyright interest;
    * A description of the copyrighted work that you claim has been infringed upon;
    * A description of where the material that you claim is infringing is located on the site, including the auction ID number, if applicable;
    * Your address, telephone number, and e-mail address;
    * A statement by you that you have a good-faith belief that the disputed use is not authorized by the copyright owner, its agent, or the law;
    * A statement by you, made under penalty of perjury, that the above information in your notice is accurate and that you are the copyright owner or authorized to act on the copyright owner's behalf.


All items purchased from Acta Sci. Math. are made pursuant to a shipment contract. This means that the risk of loss and title for such items pass to you upon our delivery to the carrier.


Acta Sci. Math. attempts to be as accurate as possible. However, Acta Sci. Math. does not warrant that any content of this site is accurate, complete, reliable, current, or error-free.


Except where noted otherwise, the List Price displayed for products on our website represents the full retail price.

With respect to items sold by Acta Sci. Math., we cannot confirm the price of an item until you order; however, we do NOT charge your credit card until after your order has entered the shipping process. Despite our best efforts, a small number of the items in our catalog may be mispriced. If an item's correct price is higher than our stated price, we will, at our discretion, either contact you for instructions before shipping or cancel your order and notify you of such cancellation.

Please note that this policy applies only to products sold and shipped by Acta Sci. Math.. Your purchases from third-party sellers are charged at the time you place your order, and third-party sellers may follow different policies in the event of a mispriced item.


Parties other than Acta Sci. Math. may operate stores, provide services, or sell product lines on this site. In addition, we provide links to the sites of affiliated companies and certain other businesses. We are not responsible for examining or evaluating, and we do not warrant the offerings of, any of these businesses or individuals or the content of their Web sites. Acta Sci. Math. does not assume any responsibility or liability for the actions, product, and content of all these and any other third parties. You should carefully review their privacy statements and other conditions of use.


This site and all information, content, materials, products (including software) and services included on or otherwise made available to you through this site are provided by Acta Sci. Math. on an "as is" and "as available" basis, unless otherwise specified in writing. Acta Sci. Math. makes no representations or warranties of any kind, express or implied, as to the operation of this site or the information, content, materials, products (including software) or services included on or otherwise made available to you through this site, unless otherwise specified in writing. You expressly agree that your use of this site is at your sole risk.

To the full extent permissible by applicable law, Acta Sci. Math. disclaim all warranties, express or implied, including, but not limited to, implied warranties of merchantability and fitness for a particular purpose. Acta Sci. Math. does not warrant that this site; information, content, materials, products (including software) or services included on or otherwise made available to you through this site; their servers; or e-mail sent from Acta Sci. Math. are free of viruses or other harmful components. Acta Sci. Math. will not be liable for any damages of any kind arising from the use of this site or from any information, content, materials, products (including software) or services included on or otherwise made available to you through this site, including, but not limited to direct, indirect, incidental, punitive, and consequential damages, unless otherwise specified in writing.


By visiting and its derivatives, you agree that the laws of Hungary, without regard to principles of conflict of laws, will govern these Conditions of Use and any dispute of any sort that might arise between you and Acta Sci. Math..


Any dispute relating in any way to your visit to Acta Sci. Math. or to products or services sold or distributed by Acta Sci. Math. or through and its derivatives in which the aggregate total claim for relief sought on behalf of one or more parties exceeds $7,500 shall be adjudicated in any court in Szeged, Hungary, and you consent to exclusive jurisdiction and venue in such courts.


We reserve the right to make changes to our site, policies, and these Conditions of Use at any time. If any of these conditions shall be deemed invalid, void, or for any reason unenforceable, that condition shall be deemed severable and shall not affect the validity and enforceability of any remaining condition.


Acta Sci. Math. knows that you care how information about you is used and shared, and we appreciate your trust that we will do so carefully and sensibly. By visiting and its derivatives, you are accepting the practices described here.

The information we learn from customers helps us personalize and continually improve your experience at Here are the types of information we may gather.

    * Information You Give Us: We receive and may store any information you enter on our Web site or give us in any other way.You can choose not to provide certain information, but then you might not be able to take advantage of many of our features. We use the information that you provide for such purposes as responding to your requests improving our site, and communicating with you.
    * Automatic Information: We receive and may store certain types of information whenever you interact with us.For example, like many Web sites, we use "cookies," and we obtain certain types of information when your Web browser accesses or advertisements and other content served by or on behalf of Acta Sci. Math. on other Web sites.
    * E-mail Communications: To help us make e-mails more useful and interesting, we often receive a confirmation when you open e-mail from Acta Sci. Math. if your computer supports such capabilities. We may also compare our customer list to lists received from other companies, in an effort to avoid sending unnecessary messages to our customers. If you do not want to receive e-mail or other mail from us, please adjust your Profile.
    * Information from Other Sources: We might receive information about you from other sources and add it to our account information.

    * Cookies are alphanumeric identifiers that we transfer to your computer's hard drive through your Web browser to enable our systems to recognize your browser and to provide advanced features.
    * The Help portion of the toolbar on most browsers will tell you how to prevent your browser from accepting new cookies, how to have the browser notify you when you receive a new cookie, or how to disable cookies altogether. Additionally, you can disable or delete similar data used by browser add-ons, such as Flash cookies, by changing the add-on's settings or visiting the Web site of its manufacturer. However, because cookies allow you to take advantage of some of's essential features, we recommend that you leave them turned on.

Information about our customers is an important part of our business, and we are not in the business of selling it to others. We share customer information only as described below and with subsidiaries Acta Sci. Math. controls that either are subject to this Privacy Policy or follow practices at least as protective as those described in this Privacy Policy.

    * Affiliated Businesses We Do Not Control: We work closely with affiliated businesses.
    * Third-Party Service Providers: We employ other companies and individuals to perform functions on our behalf.
      They have access to personal information needed to perform their functions, but may not use it for other purposes.
    * Promotional Offers: Sometimes we send offers to selected groups of customers on behalf of other businesses.
      When we do this, we do not give that business your name and address.
      If you do not want to receive such offers, please adjust your Customer Communication Preferences.
    * Protection of Acta Sci. math. and Others: We release account and other personal information when we believe release is appropriate to comply with the law; enforce or apply our Conditions of Use and other agreements; or protect the rights, property, or safety of, our users, or others.
    * With Your Consent: Other than as set out above, you will receive notice when information about you might go to third parties, and you will have an opportunity to choose not to share the information.

Security of Information About customers

    * We work to protect the security of your information during transmission by using Secure Sockets Layer (SSL) software, which encrypts information you input.
    * We reveal only the last four digits of your credit card numbers when confirming an order. Of course, we transmit the entire credit card number to the appropriate credit card company during order processing.
    * It is important for you to protect against unauthorized access to your password and to your computer. Be sure to sign off when finished using a shared computer.

Third parties
    * site may include third-party advertising and links to other Web sites. We do not provide any personally identifiable customer information to these third-parties.
    * These third-party Web sites and advertisers, or Internet advertising companies working on their behalf, sometimes use technology to send (or "serve") the advertisements that appear on our Web site directly to your browser. They automatically receive your IP address when this happens. They may also use cookies, JavaScript, web beacons (also known as action tags or single-pixel gifs), and other technologies to measure the effectiveness of their ads and to personalize advertising content. We do not have access to or control over cookies or other features that they may use, and the information practices of these advertisers and third-party Web sites are not covered by this Privacy Policy. Please contact them directly for more information about their privacy practices. In addition, the Network Advertising Initiative offers useful information about Internet advertising companies (also called "ad networks" or "network advertisers"), including information about how to opt-out of their information collection.