[perl #38073] [TODO] Tcl - expr methods with <> 1 arg.

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# New Ticket Created by  Will Coleda 
# Please include the string:  [perl #38073]
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# <URL: https://rt.perl.org/rt3/Ticket/Display.html?id=38073 >



$ tclsh
% expr atan2(2,3)
0.588002603548

% expr fmod(2.3,.2)
0.1

% expr hypot(3.1,4.1)
5.14003891036

% expr rand()
0.116507004069

Right now, expr only supports single-arg arguments.