https://www.mathworks.com/help/phased/ref/getnumelements.html
getNumElements - Number of elements in an array - MATLAB
This MATLAB function returns the number of elements N in the array array.
number of elementsin anarraymatlab
https://www.mathworks.com/help/simulink/sfg/gsr_nels.html
gsr_nEls - Get the number of elements in a region - MATLAB
number of elementsget thein agsrnels
https://mapleprimes.com/questions/239229-The-Number-Of-Elements-In-The-Set-R-Is
The number of elements in the set R is - MaplePrimes
number of elementsset
https://www.atomicnumber.net/
Atomic Number of Elements in Periodic Table
List of chemical elements in periodic table by atomic numbers, chemical symbols, atomic weight and periodic table of elements properties.
number of elementsatomicperiodictable