I need the manual for staples SPL-290 calculator. Where can I get that? Or - what do the 2 buttons at the top do? #1 UPU 5/4 Cut #2 F 3 2 0 Add

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Posted on Jan 02, 2017

SOURCE: Set Tax Rate

First clear all w/ ON/AC.
Enter the tax rate desired eg. 7 for 7% (can you tell I'm in PA)
Press RATE then TAX+
Press C/CE.
The next time you use TAX+ it will calculate and add the value that you set.
Do the same for TAX-, you can use a different value for each as they are separate memories.

Posted on Jan 27, 2009

SOURCE: staples spl-290 how to reset tax rate

Type in the rate of tax you want to use, then press rate and then press tax+ :)

Posted on Jan 31, 2010

SOURCE: change decimal placement on calculator

pressing the tab button displays the number of decimal places 0, 2, 3, 4, A, F on the bottom of the screen.

Posted on Aug 06, 2010

SOURCE: I need to set the

I can help you with your problem but first I will need to know the Brand name and Model of your caculator.

Posted on Aug 18, 2010