Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, insurance portfolio management, finance and accounting, personal investment and financial ...

You’re at the checkout screen after an online shopping spree, ready to enter your credit card number. You type it in and instantly see a red error message ...

Barcode technology makes real-time data collection possible. Despite the multitude of barcodes in existence today, universal product codes remain among the most useful to a small business. Because UPC ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Used cars are a great way to save money on a new ride. However, there are downsides to buying a second-hand vehicle. If a deal sounds too good to be true, it’s likely an online car marketplace scammer ...

You may see routing and account numbers on checks written on your account and wonder what they mean. They are the two sets of numbers that banks rely on to ensure the money moves between the correct ...

Computers in working order and with correct software don’t make mistakes. People, however, make plenty of mistakes (including writing bad software or breaking computers). In quality circles, there’s a ...

Computers in working order and with correct software don’t make mistakes. People, however, make plenty of mistakes (including writing bad software or breaking computers). In quality circles, there’s a ...

Posts on Facebook claim that if you are non-white, the fifth digit of your Social Security Number (SSN) is an even number, and if you are white, the fifth digit of your SSN is odd. This claim, which ...

Those 15 or 16 numbers embossed on the front of each of your credit cards aren’t randomly assigned. That sequence of digits has actual meaning and indicates everything from your account information to ...

Most of us carry credit cards and ATM cards. These, typically, have sixteen digits on the front. These digits are the unique account number for the card. For obvious reasons, just any sixteen digits ...