How do I program tax rate into my calculator?
Non-printing models (also applies to HR-8TE printing calculator):
1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]
Printing models (except HR-8TE):
1. Have calculator in "print" mode
2. Press [CA]
3. Hold [SET/%] key for about 3 seconds
4. Input the tax rate
5. Press [TAX+]
6. Press [SET/%]^Top I am having a problem registering the ClassPad 300, it keeps telling me my product key is wrong.
Enter only the numerals, not the letters.^Top What features do our calculators have?
attached chart shows comparisons of the different calculator models.
This includes graphing, scientific and printing calculators. download
the chart here^Top What is the [F CUT 5/4] switch or [DEC] F, 0, 2 button for?
HR-8TE/HR-8TM have a [DEC] key with F, 0, 2, and 5/4 over it, while
many other calculators models have a switch labeled [F CUT 5/4].
button or switch can control rounding off to a certain number of decimal
places. F is floating point (no F indicator on screen), 0 rounds off to
0 places after decimal point, and 2 rounds off to 2 places after
The 5/4 applies to either the 0 or 2 modes, and
describes the type of rounding off that is performed. The calculator
will round down if the digit after the one you are rounding to is 4 or
lower, and round up if the digit is 5 or higher.^Top What is the [5,4,3,2,1,0 ADD (2)] switch used for?
This switch is used to determine how many decimal places your answer is displayed in.
(2) is often used for monetary calculations, so that it is not
necessary to enter the decimal point. It is automatically placed two
decimal places from the end for cents. For example, entering 123 will
display as 1.23.^Top Why do I get 111.1111... when I calculate 100+10%?
This is a markup on price procedure. The formula is as follows:
Markup%=(Markup Price-Cost)/(Markup Price) ^Top Why do I get the wrong answer when doing a percent calculation?
Make sure that you are following the correct procedure.
Adding 10%: 200 [×] 10 [%] [+]
Subtract 10%: 200 [×] 10 [%] [-]^Top What tests are calculators permitted for?
AP Calculus requires a graphing calculator.
graphing or scientific calculator is permitted on the following as long
as it does not have a QWERTY keyboard, electronic writing pad or a
PSAT/NMSQT, SAT I
SAT II Math, IC & IIC
AP Statistics (graphing expected)