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We would like to thank the following organizations and individuals, courtesy of whom we are able to create our lessons as they are currently designed:

GeoGebra is a dynamic mathematics software for all levels of education that brings together geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. GeoGebra has a rapidly expanding community of millions of users located in just about every country. And it has become the leading provider of such dynamic mathematics software, supporting science, technology, engineering and mathematics (STEM) education and innovations in teaching and learning worldwide. For more information please visit:


Kimberly Geswein is an extremely talented font designer. She started making fonts in 2006, and since then, she has made fonts her life. We would like to thank Kimberly for the possibility to use her KG Second Chances font in our lessons. For more information about Kimberly and her work, or to get one-of-a-kind fonts, please visit:

Atlassian Enterprise offers the business critical products, premier support and strategic services you need to get the most out of your Atlassian applications. We would like to thank Atlassian Enterprise for the possibility to use JIRA in our projects. JIRA works in a wide range of industry sectors that extend from software development and online services, to automobile and aerospace engineering. From small businesses, to large enterprises, JIRA can boost the issue- and bug-tracking activities and decisively help with project management-related tasks. For more information, please visit:

Freshmail is a powerful and user-friendly email marketing solution, which enables users to generate custom templates and advanced reports to make marketig campaigns easy and effective. For more information, please visit: