Re: What does Tax Algorithm do?

2017-10-26T19:46:51Z

Thanks apmuthu thats a lot clearer now

Re: What does Tax Algorithm do?

2017-10-26T11:41:12Z

tax_algorithm is stored as a 1 (Taxes from Totals) / 2 (Sum per line taxes) value in sys_prefs table (ie., on a per company basis) with the former as the default.

The file includes/sysnames.inc lists the possible values as:

$tax_algorithms = array( 
    TCA_LINES => _("Sum per line taxes"), 
    TCA_TOTALS => _("Taxes from totals")
);

The function tax_algorithm_list() in the file includes/ui/ui_lists.inc gets the select box suitable populated with the above.

The file admin/gl_setup.php is currently the only file that calls the above function and provides the form and its processing code for the said field.

~~The Wiki page still shows the screeenshot and writeup for FA 2.3 where it was not available then.~~ Stands updated.

Study the code in the function get_tax_for_items() in the file taxes/tax_calc.inc. The function round2() is used as the rounding function and is defined in includes/current_user.inc:

function round2($number, $decimals=0)
{
    $delta = ($number < 0 ? -.0000000001 : .0000000001);
    return round($number+$delta, $decimals);
}

In each case of it's use, the $decimals parameter was taken from the user choices using $dec = user_price_dec();.

What does Tax Algorithm do?

2017-10-25T02:10:47Z

Hi, I've searched for in the wiki and here in the forum and cannot find anything about Tax Algorithm in Setup -> System and General GL Setup there's two options: Taxes from totals & Sum per line taxes?

I'm guessing it has something to do with rounding?

Any help appreciated.

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Re: What does Tax Algorithm do?

Re: What does Tax Algorithm do?

What does Tax Algorithm do?