It is, and like Improv, has its roots in NeXSTSTEP. http://www.kevra.org/TheBestOfNext/ThirdPartyProducts/ThirdPartySoftware/PersonalProductivity/SpreadSheet-D

It is, and like Improv, has its roots in NeXSTSTEP. http://www.kevra.org/TheBestOfNext/ThirdPartyProducts/ThirdPartySoftware/PersonalProductivity/SpreadSheet-Database/Quantrix/Quantrix.html http://www.kevra.org/TheBestOfNext/ThirdPartyProducts/ThirdP... There used to be a version of Quantrix Modeler that was affordable for „home users“, it’s been quite a while though.