At random, during calculations - plus, minus, equal, anything - suddenly the letter P appears in the window. I have to total the calculation out and start over. Is there a way I can stop it from doing this?
Well , I've been having the same problem for a while now. I tried taking out the screws but they were way too tight so I tried the oldest trick in the book. I banged it up a little and so far everything seems fine!!!
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While in the D position or PD position, N Count is OFF. In the N Count N position every Plus, Minus, Equals Plus, Equals Minus, Memory Plus or Memory Minus key depression is counted. The Accumulator and its N Count or the GT N Count can be printed by depression of the Subtotal or Total key. When either Memory Subtotal or Memory Total is depressed, Memory N Count will print. N Count is always printed in red, left justified. If the Equals key is depressed immediately after the Subtotal Total, Memory Subtotal, or Memory Total the average of the entries is printed. When the N Count prints on the 7150, an audit symbol will print to the left of the N Count. The audit NA will identify the Accumulator register N Count, NG will identify the GT register N Count and NM will identify the Memory N Count.
You enter the problem into the calculator and when you are finished you press the equals sign to make it give you the answer to your problem.
Here is an example;
If I wanted to know what the sum (or total) was for 2 + 10+ 16 - I would enter the number 2 and then the plus sign + and then the number ten and the plus sign + and then the number sixteen and the plus sign again + and then press the equals sign which looks like this =. when I press the equals sign = the calculator gives me the answer to my question of what the total of those numbers are.
The Sharp VX-2652H is a commercial calculator that prints in 2 colors, extra large display,Special features include 3-level (sub/total/grand) totaling, markup
keys, tax keys, a 4-key memory and item count. AC operation. 2.75"H x
9.83"W x 12.5"D. The Sharp VX-2652B is a scientific calculator, Quick and quiet 12 digit print/display calculator with stored memory tax
rate key and 4 key memory. Large, easy-to-read 12 mm display.Features
.Comfortable Cylindrical Step-sculptured Keys . designed for fast and
comfortable operation. Extra ease is provided by contoured Plus/Equal
and Minus/Equal keys. So the difference is 1 is a commercial calculator and the other is a scientific calculator.
1. Enter your beginning balance
2. Press the minus (-) key
3. Enter the amount of a check
4. Press the equal (=) key. Balance will be displayed.
5. Press the minus (-) key
6. Enter the amount of a check
7. Press the equal (=) key. Balance will be displayed
Repeat steps 5 through 7 as necessary.
To enter a deposit:
5. Press the plus (+) key
6. Enter the amount of the deposit
7. Press the (=) key. Balance will be displayed
Don't press any other keys (i.e., Clear) until you have completed all checks and deposits.
TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on at all. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.