Re: Simple CLI calculator based on Perl's eval()

Sometimes I need to do a quick calculation. I'm too lazy to open a GUI calculator

I'm even lazier:

>perl -E 'say sqrt(3*3+4*4)'
5
>
[download]

Alexander

--
Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)

Comment on Re: Simple CLI calculator based on Perl's eval() Download Code

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Re^2: Simple CLI calculator based on Perl's eval() by parv (Parson) on Mar 03, 2021 at 22:40 UTC
I am too lazy Too lazy for my perl Too lazy ... `% python3 >>> from math import * >>> sqrt(9**5) 243.0` [download] I use Python REPL for simpler arithmetic operations; lately haven't had any need to know square root.	[reply] [d/l]
Re^3: Simple CLI calculator based on Perl's eval() by syphilis (Archbishop) on Mar 04, 2021 at 12:33 UTC
I use Python REPL for simpler arithmetic operations The perldl shell, which is part of PDL, can be handy for the same thing: C:\>perldl perlDL shell v1.357 PDL comes with ABSOLUTELY NO WARRANTY. For details, see the file 'COPYING' in the PDL distribution. This is free software and you are welcome to redistribute it under certain conditions, see the same file for details. ReadLines, NiceSlice, MultiLines enabled Reading PDL/default.pdl... Found docs database C:/_64/strawberry-5.26.1-PDL/perl/vendor/lib/PDL/p +dldoc.db Type 'help' for online help Type 'demo' for online demos Loaded PDL v2.018 (supports bad values) Note: AutoLoader not enabled ('use PDL::AutoLoader' recommended) pdl> p sqrt(9**5) 243 pdl> [download] And no need to explicitly import anything ! Cheers, Rob	[reply] [d/l]