Question: Scientific engineering notation implementation suggested 10 versions ago

Way back in Maple 10 (I'd like to pay special attention to it was suggested even hinted by a Maplesoft employee that this availability would be in a future version of Maple. 

Since then there have been numerous requests on how to get Maple to change to scientific or engineering notation of the sorts. 

So what is that now, v11 v12 v13 v14 v15 v16 v17 v18 v2015 v2016 ... 10 versions!  and no implementation of engineering / scientific notation conversions. 

We rely today on printf or sprintf for e notations however I could't come up with an output of converting 3530 to simply 3.53 x 103 .  Can someone produce a proc to do so, I have tried and I can not. 

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