rpn/README.md
2017-06-16 19:00:48 +02:00

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# **rpn** - **R**everse **P**olish **N**otation language [![License: LGPLv3](https://www.gnu.org/graphics/lgplv3-88x31.png)](https://www.gnu.org/licenses/lgpl-3.0.en.html)
### a lisp-based math language using polish notation
```
rpn> 1 2 + 2 sqrt
2> 3
1> 1.4142135623730950488
```
### with arbitrary precision
```
rpn> 256 prec 200 std
rpn> pi 3 * 4 / cos
-0.707106781186547524400844362104849039284835937688474036588339868995366239(...)
```
### providing variables, programs
```
rpn> << rot * swap 2 / chs dup sq rot - sqrt >> 'quad' sto
rpn> << -> x y << x y + ln >> >> 'P' sto
```
### and a bunch of functions
```
rpn>
Display all 128 possibilities? (y or n)
!= -> > acosh atan cosh drop e exit for ifte max not pos r->d rot sinh sqrt sto+ tan unti xor
% ->str >= alog atanh d->r drop2 edit exp h inv min num pow rcl round sinv start sto- tanh until xpon
%CH / ? alog2 chr dec dropn else exp10 help ln mod or prec repea same size std sto/ test vars
* < ^ and chs default dup end exp2 hex log neg over purge repeat sci sneg step str-> then version
+ <= abs asin clusr depth dup2 erase fact if log2 next pi q roll sign sq sto sub type whil
- == acos asinh cos do dupn eval fix ift mant nop pick quit rolld sin sqr sto* swap uname while
rpn>
```
## Manual
A reference manual is provided [here](MANUAL.md)
## Installation
The delivery directory is [there](https://github.com/louisrubet/rpn/tree/master/liv)
[download .deb](https://github.com/louisrubet/rpn/blob/master/liv/rpn-2.1-amd64.deb?raw=true)
[download .rpm](https://github.com/louisrubet/rpn/blob/master/liv/rpn-2.1-amd64.rpm?raw=true)
[download .tgz](https://github.com/louisrubet/rpn/blob/master/liv/rpn-2.1-amd64.tar.gz?raw=true)
## Generation
Generation instructions can be found [here](GENERATION.md)
## Contact
Please email me at [louis@rubet.fr](mailto:louis@rubet.fr)
You can use [github issues](https://github.com/louisrubet/rpn/issues) too