1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...

After Elon Musk bought Twitter (now X) a little more than three years ago, people started searching for alternative social networks. The goal was to find a platform similar to Twitter but without the ...

Tracking spending is the first step to getting your finances in order. An expense tracker app can make it a lot easier to account for every dollar as you spend it, rather than sitting down with a ...

QUESTION: I’d like to get an AI app on my phone and learn to use it. Any suggestions? ANSWER: If you’ve been thinking about installing an AI app but aren’t sure where to start, you’re not alone.

ETFs offer a diversified investment option, trading like stocks with continuous pricing. Passive ETFs aim to mirror indexes while active ETFs strive to outperform them. ETFs pose a lower cost with no ...

Are you thinking about investing for the first time? Our guide takes you through the 10 things you need to know about investing, including what and where to buy, and how much risk to take. Investing ...

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James Chen, CMT is an expert trader, investment adviser, and global market strategist. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting, ...