rpn-calc 0.1.4

RPN calculator

pol

Command line calculator using reverse polish notation

Decimal, hexadecimal, binary and octal number are supported

Usage

As a command line tool: pol

~$ pol
Reverse polish notation calculator
>5 10 * .
50
>0xA 0x6 + ..
0x10
>q //quit the program
~$

Instructions are below

pol can also be use as a module

import rpn_calculator
cal = rpn_calculator.Calculator()
cal.evaluate("1 2 + .")
# print 3

Install

pol can be install from pip

pip install rpn-calculator

If you want to install from a source distribution, extract the tarball and run the following command

python setup.py install

Documentation

This README is the Documentation

Repo

The code is on github

Own commands

You can write your own command By default commands from file ~/.pol (if exists) are add to the calculator

You can add other files with the flag -f/--file

Command must be on the format {name_of_command:command}

Example of valid command:

double : 2 *

Options

usage: pol [-h] [-v] [-l] [--ignore-local-config] [-f FILE [FILE ...]]

A RPN calculator written in python
Support decimal, hexadecimal, binary and octal

optional arguments:
  -h, --help            show this help message and exit
  -v, --version         show the version number and exit
  -l, --list            list all commands available and exit
  --ignore-local-config
                        don't add commands from ~/.pol
  -f FILE [FILE ...], --file FILE [FILE ...]
                        file with customs commands

List of commands

+ : Take 2 numbers from the stack, add them and put the result in the stack

- : Take 2 numbers from the stack, substracte them and put the result in the stack

* : Take 2 numbers from the stack, mul them and put the result in the stack

/ : Take 2 numbers from the stack, divise them and put the result in the stack

// : Take 2 numbers from the stack, divise them and put the integer result in the stack

% : Take 2 numbers from the stack, divise them and put the remainder in the stack

** : Take 2 numbers from the stack, apply power and put the result in the stack

exp : Apply e**x to the last number of the stack

log10 : Apply log10 to the last number of the stack

log2 : Apply log2 to the last number of the stack

ln : Apply natural logarithm to the last number of the stack

and : Take 2 numbers from the stack, apply a bitwise "and" and put the result in the stack

or : Take 2 numbers from the stack, apply a bitwise "or" and put the result in the stack

xor : Take 2 numbers from the stack, apply a bitwise "xor" and put the result in the stack

<< : Take 2 numbers from the stack, apply a left shift and put the result in the stack

>> : Take 2 numbers from the stack, apply a right shift and put the result in the stack

abs : Make absolute the last value of the stack

inv : Inverse the last number of the stack

neg : Change the sign of the last number in the stack

sin : Replace the last number in the stack with the sine of itself (measured in radians)

cos : Replace the last number in the stack with the cosine of itself (measured in radians)

tan : Replace the last number in the stack with the tangent of itself (measured in radians)

asin : Replace the last number in the stack with the arc sine of itself (measured in radians)

acos : Replace the last number in the stack with the arc cosine of itself (measured in radians)

atan : Replace the last number in the stack with the arc tangent of itself (measured in radians)

switch : Switch the last 2 numbers of the stack

del : Delete the last number in the stack

copy : Copy the last number of the stack and add it to the stack

pi : Add pi to the stack

tau : Add tau to the stack

e : Add e to the stack

. : Print the last number of the stack and remove it

.. : Print in hexadecimal format the last number of the stack and remove it

bin : Print in binary format the last number of the stack and remove it

s : Print the stack

clear : Empty the stack

q : Quit the program

License

MIT