I have held the CA button, then the % button, input 15, pressed tax + then % button but it comes 16, and the tax - button is 14 can you please help.
I solved this problem..
1. press and hold your % Key the zero on your display will disappear While the % is pressed, press and hold your CA key. After a short delay the calculator will print a line #--------------- when this happens release the keys.
2. Enter your tax rate for me this was 7.75 then press your Tax+ key.
now your rate is set.
You can then use this key as normal. :)
Hope this helps.
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1: unable to get the calculator HR150TER to change any of the tax rates beyond that session.
2: I was given the machine but no manual
3: When I change to print or memory mode the screen swows an E in left hand corner (presume error) I can not remove this and the machine locks up
Help please
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