Which mathematical product development milestone is accurately described?

Test your knowledge about groundbreaking products that revolutionized the field of mathematics! Throughout history, certain mathematical tools and software have transformed how we calculate, visualize, and solve complex problems. These innovations didn't just happen—they were carefully developed products that addressed specific needs in education, research, and industry. Can you identify which famous mathematical product development milestone is accurately described below?

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The first graphing calculator (TI-81) was developed in 1990 by Texas Instruments specifically to align with the NCTM standards that emphasized graphical approaches to mathematics education.
Mathematica software was initially developed by Stephen Wolfram in 1980 as an open-source platform before being commercialized in 1988.
The abacus was first patented as a commercial product by Chinese mathematician Zhu Shijie in 1250 CE, becoming the first mass-produced calculating tool.
MATLAB was originally developed by Hewlett-Packard in 1976 as a statistical analysis tool before being acquired and repurposed by MathWorks in 1984.