> What was the earliest of these tools? Mathcad? Mathematica? Maple? The first version of MathCad (for DOS) came in 1986, but it's difficult to find info on ho

> What was the earliest of these tools? Mathcad? Mathematica? Maple? The first version of MathCad (for DOS) came in 1986, but it's difficult to find info on how it looked like. Did it already have the notebook interface? This is how MathCad looked in 1989: https://en.wikipedia.org/wiki/File:Mathcad_252_screenshot.png https://en.wikipedia.org/wiki/File:Mathcad_252_screenshot.pn... Mathematica 1.0 came in 1988, and it definitely had the notebook-interface. https://reference.wolfram.com/legacy/v1/contents/whatis.html https://reference.wolfram.com/legacy/v1/contents/whatis.html Wikipedia says Maple got its first graphical interface in 1989.