Which famous mathematical software product was initially developed as a symbolic mathematics notebook but failed in its original form before being reimagined and becoming wildly successful?

The development of mathematical tools and technologies has transformed how we learn and apply mathematics in educational and professional settings. From basic calculators to advanced computational software, product development in mathematics has a fascinating history of innovations, failures, and transformative breakthroughs. Test your knowledge about some of the most interesting product development stories in the world of mathematics!

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Mathematica (originally called 'Mathica' and abandoned before being redesigned)
MATLAB (initially developed as 'Matrix Laboratory' for internal use only)
Maple (first conceived as 'Symbolic Manipulation Project' or SMP, which failed commercially)
GeoGebra (originally a failed geometry-only program called 'DynaGeo')