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Aliexpress sales - 01/17/2026 03:42 PM EST
Aliexpress is a Chinese company which ships items directly to customers the USA. Typically orders must be $10 or more to get free shipping. Shipping takes about 2 weeks. Here are the links to various sales on aliexpress in 2026: https://en.ali-shop.net/sales

Tips - 11/05/2025 04:30 PM EST
  1. A simple way to tell which direction a USB type-A (rectangular) port goes is to put the two holes facing upwards. Most devices follow that standard. Works for USB 1, 2, and 3.

  2. Freshen up a soldering iron tip that is too dirty to melt solder. Heat up the iron and drag the tip (push hard) over copper braided solder wick and it will clean the tip surface. Saving you from having to buy a new solder iron tip.

Web site rewrite - 10/29/2025 02:00 PM EDT

The web server code has been upgraded after about 10 years to fix many of the links/apps no longer work. It allows me to test out new versions of web software/scripts and try out ideas that can be used on other projects.


Macro to toggle screen on/off - 08/19/2025 11:38 AM EDT

Windows 7 Tweaks - 03/25/2015 12:00 AM EDT

These are some tips for making Windows 7 better.

Programs

  • Use Classic Shell to bring back the start menu from Windows XP Classic
  • Use Search Everything to search for files
  • Use ManicTime to log computer usage
  • Use Icon Restorer to save icon positions
  • Use MyPhoneExplorer to control your Android phone from Windows requires Android developer/debug mode
  • Use 7+ Taskbar Tweaker to close programs on the taskbar via scroll button click. Control volume with mouse wheel over taskbar.
  • Use Teracopy to replace the default file copy system
  • Use Rei Creations DeskIcon to resize desktop icons to small compact view
  • Use Sysinternals Process Explorer instead of Windows Process Explorer
  • Use Sysinternals Autoruns instead of msconfig
  • Use Mozilla Thunderbird for email on startup and configure it to minimize to tray. Allow pop-ups for 2 seconds.
  • Use HexChat for IRC on startup and configure it to minimize to tray. Automatically connect to servers/chatrooms and authenticate.
  • Use Path Copy Copy to add a context menu to copy the path of any folder or file
  • Use clink to add unix-like terminal features to the Windows Command Prompt
  • Use Piriform Speccy to find what components are inside your computer and to monitor temperatures.
  • Use Ninite to easily install programs without any malware.

Macros


Sales tax max - 11/09/2014 12:00 AM EST

How many times can a dollar be spent until it's completely converted into tax? In New Jersey, sales tax is 7%. This calculation doesn't include income tax, which works much faster.

  • 0 transactions - $1.00
  • 1 transactions - $0.93
  • 2 transactions - $0.86
  • 3 transactions - $0.80
  • 4 transactions - $0.75
  • 5 transactions - $0.70
  • 6 transactions - $0.65
  • 7 transactions - $0.60
  • 8 transactions - $0.56
  • 9 transactions - $0.52
  • 10 transactions - $0.48
  • 11 transactions - $0.45
  • 12 transactions - $0.42
  • 13 transactions - $0.39
  • 14 transactions - $0.36
  • 15 transactions - $0.34
  • 16 transactions - $0.31
  • 17 transactions - $0.29
  • 18 transactions - $0.27
  • 19 transactions - $0.25
  • 20 transactions - $0.23
  • 21 transactions - $0.22
  • 22 transactions - $0.20
  • 23 transactions - $0.19
  • 24 transactions - $0.18
  • 25 transactions - $0.16
  • 26 transactions - $0.15
  • 27 transactions - $0.14
  • 28 transactions - $0.13
  • 29 transactions - $0.12
  • 30 transactions - $0.11
  • 31 transactions - $0.11
  • 32 transactions - $0.10
  • 33 transactions - $0.09
  • 34 transactions - $0.08
  • 35 transactions - $0.08
  • 36 transactions - $0.07
  • 37 transactions - $0.07
  • 38 transactions - $0.06
  • 39 transactions - $0.06
  • 40 transactions - $0.05
  • 41 transactions - $0.05
  • 42 transactions - $0.05
  • 43 transactions - $0.04
  • 44 transactions - $0.04
  • 45 transactions - $0.04
  • 46 transactions - $0.04
  • 47 transactions - $0.03
  • 48 transactions - $0.03
  • 49 transactions - $0.03
  • 50 transactions - $0.03
  • 51 transactions - $0.02
  • 52 transactions - $0.02
  • 53 transactions - $0.02
  • 54 transactions - $0.02
  • 55 transactions - $0.02
  • 56 transactions - $0.02
  • 57 transactions - $0.02
  • 58 transactions - $0.01
  • 59 transactions - $0.01
  • 60 transactions - $0.01
  • 61 transactions - $0.01
  • 62 transactions - $0.01
  • 63 transactions - $0.01
  • 64 transactions - $0.01
  • 65 transactions - $0.01
  • 66 transactions - $0.01
  • 67 transactions - $0.01
  • 68 transactions - $0.01
  • 69 transactions - $0.01
  • 70 transactions - $0.01
  • 71 transactions - $0.01
  • 72 transactions - $0.01
  • 73 transactions - $0.01
  • 74 transactions - $0.00

Code used

$taxCalc = array();
$salesTaxRate = 0.07;
$payment = 1.00;
            
for($i=0; $i<pow(2,32); $i++){
    $taxCalc[] = pow($payment-$salesTaxRate, $i);
    if(number_format($taxCalc[$i],2)=="0.00")
        break;
}

Total posts: 6