Uwe wrote:
 

> Automatically calculating values in the fields and in the tiddler like 
> this example would be a great simplification:
>
> {{!!schnitt}}=({{!!field1}}+{{!!field2}}+{{!!field3}}+{{!!field4}})/4
>
 

While it's not direct (i.e not optimized), it should not be overly 
difficult to make a macro with a listwidget and the argument "( field1 + 
field2 + field3 + field4 ) / 4" and iterates through this to pairwise (i.e 
two numbers and one operator at a time) apply one of the existing 
calculators (e.g Thomas Elmigers rpn plugin). 

But then, there must be a *zillion* great js calculators that could just be 
wrapped up as a TW plugin (...he said confidently without having ever made 
a js plugin)

<:-)

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