Storing Values; Error Messages - Texas Instruments TI-84 Plus Manual

TI-83, TI-83 Plus, TI-84 Plus Guide
The "to a fraction" key is obtained by pressing
[ Frac].
The calculator's symbol for times 10
means 7.945*10
The result
1.4675
notation expression for 0.0000014675.
4. STORING VALUES Sometimes it is beneficial to store numbers or expressions for
later recall. To store a number, type the number, press
corresponding to the storage location, and then press
commands together, use
join statements with a colon, only the value of the last statement is shown.
Store 5 in A and 3 in B, and then calculate 4A – 2B.
To recall a stored value, press
which the expression or value is stored, and then press
ENTER .
• There are 27 memory locations in the calculator:
you store in a particular memory location stays there until it is replaced by
something else. Before you use a particular location, 0 is the stored value.
5. ERROR MESSAGES When your input is incorrect, the calculator displays an
error message.
If you have more than one
command on a line without the
commands separated by a colon (:),
an error message results when you
press
ENTER .
• When you get an error message, Choose
the error occurred so that you can correct the mistake or choose
begin a new line on the home screen.
• A common mistake is using the negative symbol
−
sign or vice-versa. When you choose
position of this error.
Copyright © Houghton Mifflin Company. All rights reserved.
12
12
or 7,945,000,000,000.
− 6
− 6
means 1.4675 * 10
E
( : )
between the statements. Note that when you
ALPHA .
ALPHA
MATH 1
is . Thus,
12 7.945 12
E E
, which is the scientific
STO
. To join several short
ENTER
, type the letter in
through
A
to position the cursor to where
2 [Goto]
(−)
instead of the subtraction
, the calculator highlights the
Goto
, type the letter
ALPHA
θ
and . Whatever
Z
to
1 [Quit]
3