4 decimal places isn't enough. Here in this California county sales tax is .07875.
http://www.boe.ca.gov/rates/citycnty.htm To store the tax value I use a decimal field. Since the final amt due is always calc'd on total taxable amount of sale, not individual items, and rounded to the nearest cent the tax rate doesn't change storage requirements. --------------------------------------- Matt Robertson, MSB Designs, Inc. http://mysecretbase.com - Retail http://foohbar.org - ColdFusion Tools --------------------------------------- ---------- Original Message ---------------------------------- from: Kevin Graeme <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] date: Tue, 17 Dec 2002 15:14:54 -0600 >Just a thought about .0000 "precision" is that in many cities the sales tax >is a fraction of a cent. So for instance, the sales tax here is .055. As you >say, you may not need to account for that now. But will you in the future? > >-Kevin > >> -----Original Message----- >> From: Matt Robertson [mailto:[EMAIL PROTECTED]] >> Sent: Tuesday, December 17, 2002 2:23 PM >> To: CF-Talk >> Subject: RE: mySQL equivalent of MS Access "Money" fieldtype? >> >> >> Samuel R. Neff wrote >> >If the goal is to replicate MS Access Money field exactly, >> >> I fortunately don't need calculation precision down that far, so >> I just stick to dollars and cents. But it brings up a useful >> point: if you do need to keep track of 10ths, 100ths, 1000ths's >> of a cent/pence/zlotych etc. you can do it pretty easily by >> altering your multiplier. >> >> something I was thinking of earlier: I don't trap when a user >> enters '$100.5050', and I should look into the effects of that. >> so far after about 100k users no one has made that mistake. >> Doesn't mean they won't, though. >> >> --------------------------------------- >> Matt Robertson, MSB Designs, Inc. >> http://mysecretbase.com - Retail >> http://foohbar.org - ColdFusion Tools >> --------------------------------------- >> >> >> ---------- Original Message ---------------------------------- >> from: "Samuel R. Neff" <[EMAIL PROTECTED]> >> Reply-To: [EMAIL PROTECTED] >> date: Tue, 17 Dec 2002 14:38:50 -0500 >> >> >At 10:38 AM 12/17/2002, you wrote: >> >>(snip) >> >><cfset form.value=form.value*100> >> > >> >If the goal is to replicate MS Access Money field exactly, then you >> >multiple by 10000 before inserting into db and divide by 10000 when >> >retrieving. MS Access Money field supports 4 decimal places using fixed >> >point data type. >> > >> > >> > >> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq This list and all House of Fusion resources hosted by CFHosting.com. The place for dependable ColdFusion Hosting.
