This teacher is being hailed for his dedication towards teaching his students about computer sciences – but without any computers.

Owura Kwadwo Hottish is a 33-year-old educator from Ghana who teaches a middle school computer science class at the Betenase M/A Junior High School in Kumasi.

Despite the school not being equipped with any computers, Hottish still manages to teach the kids by spending thirty minutes before every class drawing detailed diagrams of different computer programs on the blackboard.

Hottish has been teaching lessons like this for the last six years. Since schools in the region are rarely equipped with actual computers, it is considered a very normal method of teaching.

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The teacher recently went viral, however, after he posted photos of his drawings to Facebook.

The drawings, which featured a startlingly accurate depiction of Microsoft Office, impressed thousands of social media users around the world. Not only that, but it caught the attention of Microsoft.

Spurred to help the school, the tech company started out by sending Hottish to an international educators’ conference in Singapore, which was the teacher’s first time outside of Ghana. When he finished giving a…