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Powerful yet easy command line calculator.
Please note: Using plain python at the command line already does provide a pretty decent calculator:
$ python
Python 3.8.5 (default, Aug 2 2020, 16:00:15)
[Clang 11.0.0 (clang-1100.0.33.17)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> 2**10
1024
>>> _ / 10
102.4
>>> import math
>>> math.pi
3.141592653589793
>>> math.sin(math.pi / 2)
1.0
>>> exit()
[ Read more about Python as a Calculator. ]
But not all is straight forward.
For example, if you want to calculate sin(pi/2)
:
import math
,math.sin( math.pi / 2 )
.But there must be a better way! And there is...
$ cli-calc
hex, int, float, : INPUT
0x0, 0, 0.0, : 2**10
2**10
0x400, 1024, 1024.0, : _ / 10
1024.0/10
0x66, 102, 102.4, : pi
pi
0x3, 3, 3.141592653589793, : sin(pi / 2)
sin(pi/2)
0x1, 1, 1.0, : q
$
cli-calc
adds the standard
math
library to the mix, as well as cmath and others.$ cli-calc
hex, int, float, : INPUT
0x0, 0, 0.0, : cos(pi/2)
cos(pi/2)
0x0, 0, 6.123233995736766e-17, : 0xFF ^ 0b10
0xFF^0b10
0xfd, 253, 253.0, : 2**8-1
2**8-1
0xff, 255, 255.0, : log(e)
log(e)
0x1, 1, 1.0, : comb(49,6)
comb(49,6)
0xd56048, 13983816, 13983816.0, : factorial(42)
factorial(42)
0x3c1581d491b28f523c23abdf35b689c908000000000, 1405006117752879898543142606244511569936384000000000, 1.40500611775288e+51, : random()
random()
0x0, 0, 0.24958817003921918, : cmath.phase(complex(-1.0, 0.0))
cmath.phase(complex(-1.0,0.0))
0x3, 3, 3.141592653589793, : q
$
Ready to use out of the box:
standard operators
-, >>, ...
standard math library
cd, log, sin, sinh, gamma, pi, e, tau, inf, nan...
cmath
phase(complex(-1.0, 0.0)), and then most of the above with complex numbers.
random
random, choice(['win', 'lose', 'draw']), mean, ...
built in functions
max, help, sum, ...
pip install cli-calc
For convenience, add a shell script in ~/bin
:
cd ~/bin
vi cli-calc
with the following lines:
Note: Please adjust the path!
path=~/path/to/your/cli-calc/
cd $path
python3 -m cli_calc
Make it executable:
chmod a+x cli-calc
then use it anywhere. :-)
echo "7+8" | cli-calc
cat foo.bar | cli-calc
cli-calc
cli-calc
h
--------------------------------------------------
cli-calc 0.3.1: Powerful yet easy command line calculator.
INPUT:
"q" for quit, "h" for help
"_" for last float value
"_int_" for last int value
"sin(pi/2)" for sinus, ...
"pi", "tau" and "e" for pi, tau and Euler
"+f" to add display for fraction, "-f" to suppress display for fraction
Other letters are:
he(x), (o)ctal, (b)inary, (i)nteger,
(f)raction, (t)ruth, i(e)ee, ieee_bi(n), f(r)om_ieee
"float" is always visible
Also try "cos(pi/2)", "0xFF ^ 0b10", "2**8-1", "factorial(42)", "help(math)"
See https://docs.python.org/3/library/math.html, use without "math."
https://www.w3schools.com/python/python_operators.asp
https://github.com/cruisen/cli-calc
(c) 2022-2022 Nikolai von Krusenstiern, License: MIT
--------------------------------------------------
hex, int, float, : INPUT
eval
is evil.
However precautions are taken.PR's are Welcome!
This project was generated with wemake-python-package
. Current template version is: d06993f12e3ffad79652a2aec86189dee92d94dd. See what is updated since then.
FAQs
Powerful yet easy command line calculator.
We found that cli-calc demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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