We make things

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What We Do

Mathgraphica - calculator app for iPhone, Android, desktop

ECharts - Electricity charts for electricians and engineers.

The Team

One man army.
João de Deus, electronic engineer, software developer.
I make really cool software :)

Contact Us

Did you know that some features on our apps were made from user feedback / request ?
Report a bug, a feature request or just say hi.

joaodeusmorgado at yahoo dot com