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A comment on Discovering Dennis Ritchie’s Lost Dissertation. Parent comment

Re:Discovering Dennis Ritchie’s Lost Dissertation by dragonwriter on Saturday June 20, 2020 @06:36AM (#23583116)
No, AFAIK, VBA is just a scripting layer exposed by Excel, not what Excel uses itself.
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Re:Discovering Dennis Ritchie’s Lost Dissertation by einpoklum on Saturday June 20, 2020 @01:07PM (#23585020)
What do you mean by "using itself"? When you write a function in an Excel cell, IIANM it's a VBA function. Excel is implemented in C++ IIRC.
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Re:Discovering Dennis Ritchie’s Lost Dissertation by dragonwriter on Sunday June 21, 2020 @02:19PM (#23594017)
> When you write a function in an Excel cell, IIANM it's a VBA function

No, its uses the Excel formula language, which isn't the same as VBA (nor is it a subset of VBA; Excel formula language expressions generally aren't valid VBA.)

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