Palindrome Check

Text:

Case insensitive:
Space insensitive:
Only letters:

Number to Word

This is task from CheckIO.

Number:

Mine takes only 4 digits so far.

Numbers to Words Calculator takes bigger numbers. or enter "1000001=english" without quotes in Google Search and see what happens.

AGNI SUTRA - PSYTRANCE MIX 2017 [RYDHM DEE]

Credits: RYDHM DEE

Random Numbers Generator

From:


To:


Pick

number(s)



Random array of number(s):

Simple encoding

Text:

Valid ISBN

Checks ISBN-10 and ISBN-13 (EAN-13)

Usage: Just enter ISBN in box and validation image will pop up.
Be sure whether you want to check 10 digits or 13 digits.

False negative or false positive
Don't take this seriously it may fail at some point. I'll do my best to fix it.
I recommend you don't use it for prefix 979 just for 978
There's is ISBN.org/isbn_converter
or some other site that does what you need.

ISBN

Interest rate

def interest_rate(cost,percent,years):
  return cost * percent ** years

def interest_rate(cost, percent, years):

    rate = percent / 100

    return cost * (1 + rate) ** years