1 Introduction to Our Use of Cookies
Last Updated: September 12, 2025
At theti84calculator.com, we believe in being transparent about how we collect and use data related to our visitors. This Cookies Policy explains what cookies are, how we use them on our website, and what choices you have regarding them. By using our website, you consent to our use of cookies in accordance with this policy. If you do not agree to our use of cookies in this way, you should adjust your browser settings accordingly or refrain from using our website (see Section 4 for information on how to do this).
Cookies are small text files that are placed on your computer, smartphone, or other device when you visit a website. They are widely used to make websites work efficiently, provide enhanced functionality, and collect information about how visitors use sites to improve their overall experience. Cookies may be set by the website you are visiting (first-party cookies) or by third parties who provide services to that website (third-party cookies) .
Table: Quick Reference Guide to Cookie Types
| Cookie Type | Purpose | Essential for Website Functionality? |
|---|---|---|
| Necessary | Required for basic site operations | Yes |
| Analytics | Help understand how visitors interact with the site | No |
| Functionality | Enable enhanced features and personalization | No |
| Advertising | Used for targeted marketing campaigns | No |
2 Types of Cookies We Use and Their Purposes
2.1 Necessary Cookies
Necessary cookies are essential for the basic functions of our website and cannot be switched off. These cookies are typically set in response to actions made by you that amount to a request for services, such as setting your privacy preferences, logging in, or filling out forms. They help make our website usable by enabling basic functions like page navigation and access to secure areas. Without these cookies, our website cannot function properly .
- Session cookies: These are temporary cookies that remain in your browser until you leave our website. They allow us to remember your actions during your browsing session (such as maintaining your login state or keeping items in your shopping cart if we had e-commerce functionality).
- Security cookies: We use security cookies to authenticate users, prevent fraudulent use of login credentials, and protect user data from unauthorized access .
2.2 Analytics and Performance Cookies
Analytics cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us know which pages are the most and least popular and see how visitors move around the site .
- Google Analytics cookies: We use Google Analytics, which employs cookies such as ‘_ga’ (used to distinguish users, expires after 2 years) and ‘_gid’ (used to distinguish users, expires after 24 hours). These cookies help us understand how visitors engage with our site, including information about pages visited, time spent on pages, and any error messages encountered. This information helps us improve how our website works .
- Performance monitoring cookies: These cookies help us identify and fix technical issues that might affect your experience on our site, allowing us to maintain optimal performance and reliability.
2.3 Functionality and Personalization Cookies
Functionality cookies enable our website to provide enhanced features and personalization based on your past interactions and preferences. These cookies may be set by us or by third-party providers whose services we have added to our pages .
- Preference cookies: These allow our website to remember choices you make (such as your preferred language, region, or username) and provide more personalized features.
- Video cookies: If we embed YouTube videos on our site, cookies like ‘VISITOR_INFO1_LIVE’ and ‘__Secure-YEC’ may be set to measure your bandwidth and remember your video player preferences .
- Social media cookies: These cookies enable you to share content from our site on social media platforms and help integrate social media services on our website.
2.4 Advertising and Targeting Cookies
Advertising cookies may be set through our site by our advertising partners to build a profile of your interests and show you relevant advertisements on other sites. They do not store direct personal information but are based on uniquely identifying your browser and internet device .
- Interest-based advertising cookies: Cookies like ‘IDE’ and ‘id’ are used to show Google ads on non-Google sites, personalized based on your previous interactions with our website or other sites .
- Retargeting cookies: These cookies allow us to show you advertisements for our content on other websites you visit after browsing theti84calculator.com.
- Conversion tracking cookies: Cookies that start with ‘gcl‘ help us determine how many people who click on our ads end up taking valuable actions on our site, such as downloading resources or signing up for newsletters .
3 How We Use Cookies Specifically on theti84calculator.com
Given that theti84calculator.com is an educational resource focused on providing information about TI-84 calculators, we use cookies to enhance the learning experience for our visitors:
- Tutorial progress tracking: We may use cookies to remember your progress through our calculator tutorials, allowing you to pick up where you left off in multi-part guides.
- Calculator preference storage: If we offer interactive calculator tools, cookies help remember your preferred settings and inputs between sessions.
- Resource customization: Cookies help us display calculator tutorials and resources that are most relevant to your educational level and interests.
- Forum functionality: If our site includes a community forum, cookies help maintain your login session and display new posts since your last visit.
4 Managing and Controlling Cookies
4.1 Browser Settings
You can manage cookie preferences through your web browser settings. Most browsers allow you to view what cookies are stored, delete individual cookies, block cookies from particular sites, block third-party cookies, and block all cookies. Please note that if you choose to disable cookies, some features of our website may not function properly, and your user experience may be affected .
- Google Chrome: Settings → Privacy and security → Cookies and other site data
- Mozilla Firefox: Preferences → Privacy & Security → Cookies and Site Data
- Safari: Preferences → Privacy → Cookies and website data
- Microsoft Edge: Settings → Privacy, search, and services → Cookies
4.2 Specific Opt-Out Mechanisms
For additional control over specific types of cookies, you can use the following opt-out mechanisms:
- Google Analytics: You can opt-out of Google Analytics tracking by installing Google’s opt-out browser add-on, available at https://tools.google.com/dlpage/gaoptout
- Advertising cookies: You can opt out of personalized advertising from Google by visiting https://adssettings.google.com. Additionally, you can opt out of some third-party advertising cookies through the Network Advertising Initiative’s Opt-Out Tool at https://optout.networkadvertising.org/
- Social media cookies: Different social media platforms provide their own mechanisms for controlling cookies and advertising preferences. For example, Facebook allows you to control your ad preferences through your account settings.
4.3 Do Not Track Signals
Our website does not currently respond to Do Not Track (DNT) signals from web browsers. We continue to monitor developments around DNT standards and may adopt a DNT response protocol in the future if an industry standard emerges.
5 Third-Party Cookies and Services
We use several third-party services that may set cookies on your device when you visit our site:
- Google Analytics: For analyzing how visitors use our site
- YouTube: If we embed educational videos about TI-84 calculators
- Social media platforms: If we include sharing buttons for platforms like Facebook, Twitter, or Pinterest
- Advertising networks: Such as Google AdSense, which may place cookies to serve relevant ads based on your interests
These third-party services have their own privacy policies and cookie policies, which we encourage you to review. We strive to work with partners who respect user privacy and adhere to industry standards, but we cannot directly control their use of cookies .
6 Policy Updates and Changes
We may update this Cookies Policy from time to time to reflect changes in technology, legal requirements, or our services and practices. When we make changes, we will revise the “Last Updated” date at the beginning of this policy and, in some cases, we may provide additional notice (such as adding a statement to our homepage or sending you a notification). We encourage you to review this policy periodically to stay informed about our use of cookies .
7 Your Rights Under Privacy Laws
Depending on your location, you may have certain legal rights regarding your personal data and cookies:
- European Union: Under the GDPR and ePrivacy Directive, we must obtain your explicit consent before placing non-essential cookies on your device .
- California: Under the CCPA and CPRA, California residents have the right to opt out of the “sale” or “sharing” of their personal information, which may include certain uses of cookies for targeted advertising .
- India: Under the Digital Personal Data Protection Act (DPDPA) 2023, we must obtain explicit user consent for the use of cookies that process personal data .
We are committed to respecting these rights and providing appropriate mechanisms for you to exercise them through our cookie consent management platform.
8 Contact Information
If you have any questions, concerns, or requests regarding this Cookies Policy or our use of cookies, please contact us:
- Email: privacy@theti84calculator.com
- Contact Form: Contact US
We will respond to all legitimate inquiries within a reasonable timeframe, typically within 30 days.
9 Additional Resources
For more information about cookies and how to manage them, you may find the following resources helpful:
- All About Cookies: https://www.allaboutcookies.org/
- Your Online Choices: https://www.youronlinechoices.com/
- Network Advertising Initiative: https://www.networkadvertising.org/
- Digital Advertising Alliance: https://digitaladvertisingalliance.org/
Table: Cookie Duration Reference
| Cookie Name | Purpose | Duration |
|---|---|---|
| _ga | Google Analytics distinction | 2 years |
| _gid | Google Analytics identification | 24 hours |
| _gat | Google Analytics throttling | 1 minute |
| NID | Google preferences and security | 6 months |
| VISITOR_INFO1_LIVE | YouTube bandwidth measurement | 6 months |
| IDE | Google advertising | 13-24 months depending on location |
This Cookies Policy was created with guidance from and is designed to comply with applicable privacy laws including the GDPR, CCPA/CPRA, and India’s DPDPA .