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function currency {
	Begin {
		# make sure we can use Web.HttpUtility
		Add-Type -AssemblyName System.Web
	}

	Process {
		$encoded = [Web.HttpUtility]::UrlEncode($args -join " ")
		$response = Invoke-WebRequest `
			"https://google.com/search?q=$encoded"

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// these are usually defined in math.h ...
#define NAN 0.0
// actually a bit smaller than DBL_MAX
#define INFINITY 1e+308

/**
 * atof as described in ISO/IEC 9899:2011 (the C11 standard)
 *
 * case-insensitive input syntax EBNF:
 *

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" add all builtin keywords and methods/attributes to syntax
" put in $VIM/vimfiles/after/syntax/python.vim

if exists('b:loaded_pythoncustomsyntax')
	finish
endif
let b:loaded_pythoncustomsyntax=1

syn keyword pythonExceptions ModuleNotFoundError

9999years

software i use that you might also want to use

7-zip

AutoHotKey (i can show you how to use it)

GreenShot

Maxima

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function run {
	Start-Process $args[0] -ArgumentList (
		$args[1..$args.Length] -join " "
	)
}

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# This is a total of 5 logical LOC, but the API is... well hidden and highly opaque
# (magic numbers everywhere!) so it warrents a few dozen lines of comments

function Enable-ANSIEscapes {
	# Enable ANSI / VT100 16-color escape sequences:
	# Original discovery blog post:
	# http://stknohg.hatenablog.jp/entry/2016/02/22/195644
	# Esc sequence support documentation
	# https://msdn.microsoft.com/en-us/library/windows/desktop/mt638032(v=vs.85).aspx

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import argparse

parser = argparse.ArgumentParser(
    description='Print prime factors of number[s]'
)

parser.add_argument('num', type=int, nargs='*')

args = parser.parse_args()
nums = args.num

9999years

# sign funcs
import math
# cli arguments
import argparse
# random rationals
import random

def sign(x):
    return math.copysign(1, x)

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# generates the nth iteration of the koch snowflake and outputs
# it for use in LaTeX / tikz
# sources the iteration count from the args or defaults to 0
# you could easily modify it to request a default with
# iterations = int(prompt("iterations? ") or something

import sys

# get the first numeric argument for our iteration count
iterations: int

9999years

import math
import re

def get_float(prompt):
    return float(input(prompt))

# ok, this one is kinda complicated to describe
# scales a number val (assumed to be in the range of valmin to valmax)
# to the equivalent fractional distance from min to max
# eg if you have a percent value and you want it to be a byte val