Astrologer Jai Madaan's viral reel claims a zodiac-based 4-digit number written on the hand for 40 days can activate luck.

Subtracting larger numbers in your head is not always easy, so you can use the column method to take one number away from another. You write the larger number above the smaller number, so that the ...

As tempting as it might be, avoid using 0000 as your four-digit PIN code. Same goes for 1010, 1111, 1122, and 1212, which comprises the top five worst PIN codes, according to a list compiled by ...

We produce Mifare EV1 RFID tags and need to convert the UID to a seven-digit code printed on a wristband. Does anyone have a formula to convert the UID to a seven-digit code using numbers and letters?

In an age of advanced security measures—Face ID, biometric scans, and multi-factor authentication—it's surprising that ATMs still rely on a simple 4-digit PIN. The 4-digit PIN traces its roots back to ...

AUGUSTA, Ga. (WRDW/WAGT) - We all know we should have strong, unique passwords for everything, but what about those simple 4-digit PINs? It turns out, they might be even more vulnerable than you think ...

Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...