The website www.ti84.org offers more than 50 programs and pages related to electrical and mechatronic engineering, mathematics, and control system theory for TI-84 Plus (CE) calculators. Each topic is explained on a separate page. 

Ti84.org is a website dedicated to providing programs and resources for the TI-84 calculator, commonly used by students and professionals in engineering and mathematics fields. The site likely offers free downloadable software, tutorials, or tools to enhance the functionality of the TI-84 calculator, helping users perform complex calculations and problem-solving tasks efficiently. Ti84.org is a niche educational resource focused on supporting technical and academic users of the TI-84 calculator. 

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For questions or remarks, mail to: ti84.org@gmail.com

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Before attempting to use a program, it is advisable to read the following page:​