American GST HST PST Sales Tax Calculator American GST HST PST Sales Tax Calculator
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If you are a business, you don’t have to collect sales taxes from people in other states unless you have a business presence in that state. In that case, you must collect just the state tax, not the local tax.

This Applet will calculate American state and local sales tax. It does not have county/city local sales tax tables for all states. Tables are complete for the following states: CA, CO, CT, DC, DE, FL, HI, IN, KY, MA, MD, ME, MI, MT, NH, NJ, NY, OR, RI, TX, VA, VT, WV. It knows all state level taxes.

Tables still need to be added to deal with local taxes for the following states: AK AL AR AZ GA IA ID IL KS LA MN MO MS NC ND NE NM NV OH OK PA SC SD TN UT WA WI WY. If you have the information, please pass it along to be included.

The calculator is also available with Java source to download. It is designed to be cannibalised, so that you can use whatever parts of the calculator source code you want in your own code, e.g. a shopping cart. There are notes in the source on precisely how the taxes are calculated.

If the above American Sales Tax Calculator Java Applet (that can also be run as an application) does not work…

  1. This Java Applet (that can also be run as an application) needs Java 1.5 or later, version 1.5.0_15 or later recommended, ideally 1.6.0_06 and a recent browser.
  2. You should see an Applet above looking much like the screenshot. If you don’t, the following should help you get it working:
  3. If you are using Microsoft Internet Explorer, try another browser. Seriously. Microsoft has taken great pains, over and over, to screw up Java and every other mult-platform standardisation.
  4. If you are using Internet Explorer 7, you must allow blocked content permission for Active X to run. This also gives permission to Java to run. Click the Information bar, and then click Allow blocked content. Unfortunately, this also allows dangerous ActiveX code to run. However, you must do this in order to get access to perfectly-safe Java Applets running in a sandbox. This is part of Microsoft’s war on Java. Don’t put up with it! Use a different browser.
  5. To ensure your Java is up to date, check with Wassup.
  6. If the above Java Applet (that can also be run as an application) does not work, check the Java console for error messages.
  7. If the above Applet hybrid does not work, you might have better luck with the downloadable version.
  8. If you still can’t get the program working click HELP for more detail.
  9. If you can’t get the program working after trying the advice above and from the HELP button below, have bugs to report or ideas to improve the program or its documentation, please send me an email atemail Roedy Green.
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americantax
American State Sales Tax Calculator		 2.3 2008-03-03 free Java
summary / PAD description / screenshot for the current version of American State Sales Tax Calculator. Note it requires adding tables for the states/counties you need. It only comes with complete tables for a few states.
download American State Sales Tax Calculator source and compiled class files to run on your own machine as an application or Applet. First install the most recent Java. To install, extract the zip download with Winzip, (or similar unzip utility) into any directory you please, often J:\ — ticking off the “user folder names” option. To run as an application,type:
java -jar J:\com\mindprod\americantax\americantax.jar
adjusting as necessary to account for where the jar file is.
download ASP PAD XML program description for the current version of American State Sales Tax Calculator.
American State Sales Tax Calculator is free. Full source included. You may even include the source code, modified or unmodified in commercial programs that you write and distribute. Non-military use only.
    
 
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