https://github.com/nocd5/cli-calc.js
Calculator for CLI with math.js
https://github.com/nocd5/cli-calc.js
calculator cli javascript nodejs
Last synced: 24 days ago
JSON representation
Calculator for CLI with math.js
- Host: GitHub
- URL: https://github.com/nocd5/cli-calc.js
- Owner: nocd5
- License: mit
- Created: 2019-06-07T17:01:54.000Z (almost 6 years ago)
- Default Branch: master
- Last Pushed: 2021-11-06T05:58:51.000Z (over 3 years ago)
- Last Synced: 2025-02-17T03:29:19.769Z (4 months ago)
- Topics: calculator, cli, javascript, nodejs
- Language: JavaScript
- Homepage:
- Size: 26.4 KB
- Stars: 1
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# cli-calc.js
Calculator for CLI with math.js
## Install
```sh
git clone https://github.com/nocd5/cli-calc.js
cd cli-calc.js
npm link
```
## Commands
| Command | Function |
|:-----------------|:-----------------|
| `exit` or `quit` | exit cli-calc.js |
| `ls` | list values |
| `history` | show history |
| `cls` | clear display |
| `clear` | clear history |
## Features
- Using math.js functions
```sh
Calc > round(sqrt(3))
2
Calc > ceil(sqrt(2))
2
```
- Reusing a previous result with `@`
```sh
Calc > 2+3
5
Calc > @*20
100
```
- Getting Hexadecimal/Binary string
```sh
Calc > hex(1194684)
0x123ABC
Calc > bin(12)
0b1100
```
- Using Hexadecimal/Binary with suffix `0x`/`0b`
```sh
Calc > 0xCAFE
51966
Calc > 0b1010
10
```
- Using SI prefixes
```sh
Calc > 1k
1000
Calc 1m
1000000
Calc > 1mm
0.001
Calc > 2m*1uu
2
```
**Case ignored**
| Name | Symbol | Base 10 | Decimal |
|:-----:|:------:|:--------|:----------------------------------|
| yotta | y | 10^24 | 1 000 000 000 000 000 000 000 000 |
| zetta | z | 10^21 | 1 000 000 000 000 000 000 000 |
| exa | ee | 10^18 | 1 000 000 000 000 000 000 |
| peta | p | 10^15 | 1 000 000 000 000 000 |
| tera | t | 10^12 | 1 000 000 000 000 |
| giga | g | 10^9 | 1 000 000 000 |
| mega | m | 10^6 | 1 000 000 |
| kilo | k | 10^3 | 1 000 |
| milli | mm | 10^-3 | 0.001 |
| micro | uu | 10^-6 | 0.000 001 |
| nano | nn | 10^-9 | 0.000 000 001 |
| pico | pp | 10^-12 | 0.000 000 000 001 |
| femto | ff | 10^-15 | 0.000 000 000 000 001 |
| atto | aa | 10^-18 | 0.000 000 000 000 000 001 |
| zepto | zz | 10^-21 | 0.000 000 000 000 000 000 001 |
| yocto | yy | 10^-24 | 0.000 000 000 000 000 000 000 001 |
- Using temporary value
```sh
Calc > a=10
10
Calc > b=20
20
Calc > c=30
30
Calc > a+b*c
610
```
- User defined function
```sh
Calc > f(a,b)=a*2+b
f(a, b) = a * 2 + b
Calc > f(2,3)
7
```
- Copy & Paste
| | |
|:-----------------:|:------|
| Ctrl-C | Copy |
| Ctrl-V | Paste |