cli-calc.js

Calculator for CLI with math.js

Install

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

Calc > round(sqrt(3))
2
Calc > ceil(sqrt(2))
2

• Reusing a previous result with @

Calc > 2+3
5
Calc > @*20
100

• Getting Hexadecimal/Binary string

Calc > hex(1194684)
0x123ABC
Calc > bin(12)
0b1100

• Using Hexadecimal/Binary with suffix 0x/0b

Calc > 0xCAFE
51966
Calc > 0b1010
10

• Using SI prefixes

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

Calc > a=10
10
Calc > b=20
20
Calc > c=30
30
Calc > a+b*c
610

• User defined function

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