Command line calculator

alias calc='python -ic "from math import *; from random import *"'

use python as calculator, press ctrl+d to exit reminder: when doing factions add atleast one decimal number like so 22.0/7 or 22/7.0

Sample Output

$ calc
>>> 22.0/7
3.1428571428571428
>>> 22/7.0
3.1428571428571428
>>>

By: Bonster

2011-10-24 08:15:41

alias bash function python calc

5 Alternatives + Submit Alt

Command line calculator

works with fractions like 1/3.5
This is sample output - yours may be different.
4

awk "BEGIN{ print $* }"

maelcum · 2010-10-07 16:13:41 8
Command line calculator

This function defines a command line calculator that handles everything pythons math module can handle, e.g. trigonometric functions, sqrt, log, erf, ... (see http://docs.python.org/library/math.html). It even knows about the constants pi and e. Show Sample Output
This is sample output - yours may be different.
```
> calc "sin(pi/3.0)**2"
0.75
> calc "log(e)"
1.0
```
1

calc() { python -c "from math import *; print $1"; }

asmaier · 2010-10-07 08:26:39 7
Command line calculator
This is sample output - yours may be different.
1

calc() { bc <<< $*; }

hemanth · 2010-10-07 08:44:28 6
Command line calculator

This opens a python command line. You can use math and random and float-division is enabled (without appending .0 to integers). I just don't know how to specify a standard precision.
This is sample output - yours may be different.
1

python -ic "from __future__ import division; from math import *; from random import *"

fpunktk · 2011-10-24 19:47:27 6
Command line calculator

This is an "argument calculator" funktion. The precision is set to 4 and you can use dot (.) or comma (,) as decimal mark (which is great for german users with a comma on the numpad).
This is sample output - yours may be different.
-1

calc() { echo "scale=4; ${*//,/.}" | bc -l; }

fpunktk · 2011-10-24 19:58:20 5

What Others Think

rahimhh21 · 106 weeks and 3 days ago

Perfecthomepugs · 97 weeks ago

pugpuppies95 · 59 weeks and 2 days ago

yeneba6574 · 12 weeks and 5 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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