# User Portlet

Shenghui Yang
Discussions
I am glad you find it interesting and joyful!
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2024 is the [digit sum][1] of some [Fibonacci numbers][2]. Use built-in function in V14.0 or [the correspoinding resource function][3] in WFR: In[1]:= DigitSum[Fibonacci[#]] & /@ {2118, 2147, 2149, 2166} Out[1]= {2024, 2024, 2024, 2024} ...
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More information about the Probability and Statistics feature in Wolfram Language can be found: - [Wolfram R&D Live on Probability and Statistics: Random Sampling][1] - [Wolfram language guide][2] [1]:...
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![sum][1] &[Wolfram Notebook][2] [1]: https://community.wolfram.com//c/portal/getImageAttachment?filename=subsum.png&userId=23928 [2]: https://www.wolframcloud.com/obj/5777e2ac-668a-4582-80c7-297e0e060424
Three things to consider: 1. Only consider one continuous subdomain for x at a time. Floor function introduces non-linearity to the solution and in general no silver bullet to kill all problems. 1. Beware of floor function for negative...
I had a related article: https://community.wolfram.com/groups/-/m/t/1609912
*MODERATOR NOTE: This is the notebook used in the livestream "Problem Solving" on Wednesday, May 24 -- a part of Wolfram R&D livestream series announced and scheduled here: https://wolfr.am/RDlive. Subscribe to [**@WolframRD**]...