Question about Sharp EL-531VB Calculator

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When calculator open then it has to be 0. ok but 0. is not displaying on where we are type numbers so i want to 0. but it is displaying n. Please give me solution

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Hello,
No it does not have to be zero. Certain calculators display the content of the last screen, the one before it was turned off. As a rule you should make it your duty to press [ON/C] after turning calculator on, and before any new type of calculations.
If pressing the [ON/C] does not solve your problem, press the reset button on the back of the machine.
Hope it helps.


Posted on Sep 20, 2009

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When type m 0 comes up


I do not know what make and model of calculator you have, but generally speaking, the M key stands for Memory key, When you press it it brings the content of the memory register on the display. But if you have not stored anything in memory (by entering a number then pressing M+) then the calculator displays the default value in memory, which is 0.

Sep 10, 2013 | Calculators

1 Answer

I need to determine how get my casio fx-83gt Plus to display results up to 4 decimal places. Can you assist please?


Press [SHIFT][MODE][6][4]:


elessaelle_3.jpg

When you select FIX (by pressing [SHIFT][MODE][6] ) on your calculator you can specify number of decimal places which are displayed (you can choose any number from 0 to 9).

Sep 09, 2011 | Casio FX-300MS Calculator

1 Answer

I have the TI-Nspire CAS modal and no matter what type of equation or number problem i put into it, it brings up the incorrect answer. For example: 56 x 2 =1.E2 which is incorrect. I'm wondering if it...


Yes, you guessed right. Your configuration is set to Fix 0 AND scientific.
You can reset the calculator or you can change configuration (should be better to do the latter.)

I am describing the procedure for the CAS with OS version 2.1 But it should work for your calculator.
Turn calculator ON
Press The HOME (House iscon) button.
Press digit key 5 to open Settings and status.
In menu options, select [2:Settings]
Use the arrow (right) to open the submenu options and select [1:General]
The cursor should be on drop down box labeled Display Digits (You might see FIX 0, meaning 0 decimal digits, or 0 digits in mantissa of the number)
Use down arrow to open the number display format, and select Float 6 (an appropriate choice most of the time. If you want more digits, set Float 12)
Press [ENTER] or Click to validate your selection.
The drop down box will close.

Use the TAB button to move to another Configuration setting. Pressing the TAB twice will take you to Exponential format.
Use down arrow to unfold the Exponential format menu.
If you do not need Scientific Format, use Normal and validate.
Press TAB several times until cursor reaches OK.
At this point Press ENTER to save Configuration.
This should solve the problem.

As I said, this describes the procedure for OS version 2.1. Once you find out how to enter the setting screen, do as I described above, and do not forget to validate by getting the cursor on OK and validate.

Good luck.

Feb 25, 2011 | Texas Instruments TI-Nspire Graphic...

1 Answer

Hi, are there MC, MR, M-, M+ functions in Texas Instruments BA II Plus calculator?


The calculator has 10 memories (0 to 9)
To store a number (13) in memory 6 type 13 [STO] 6
To erase the content of memory 6 (M6) store 0 in int: 0 [STO] 6
To recall the content of memory location M7 press [RCL]7

To operate on the content of memory location M5 the syntax is [STO] [Op] 5, where [Op] is the operation symbol [+], [-],[x], [/] [y^x]

Ex: to raise the content of memory location 4 to the power of the displayed value, you press [STO][Y^x] 4

To clear all 10 memory locations
press [2nd][MEM][2nd][CLR WORK]

In short, although you do not have the keys you are accustomed to, you have a lot more. And please do not blame me if you feel disappointed.

Apr 18, 2010 | Texas Instruments BA-II Plus Calculator

1 Answer

Trying to get calculator to display in scientific notation


Press the [SHIFT][MODE] to access the (SETUP) screen. -See the screen capture below. Press [7:Sci] to select the output display format to be Scientific.
You will then be prompted to key in a number between 0 and 9 to choose the number of decimal digits.

If you do not want fractions nor radicals set the default Input/Output format to LineIO.
To do so press [SHIFT][MODE][2:LineIO]. After that perform the steps given above to select Scientific format for the output.
c983265.jpg

Apr 16, 2010 | Casio fx-300ES Calculator

1 Answer

How do i set my calculator to 4 decimal places


Press [2nd][FORMAT] displays the DEC indicator and the number of decimal digits currently set. To change the number of decimal digits type a number between 0 and 9 and Press [ENTER].

Feb 06, 2010 | Texas Instruments BA-II Plus Calculator

1 Answer

How do i perform linear regressions on TI-Nspire Individual Handheld


Start by creating the data lists.

CREATE THE X-LIST
  1. Press Home.
  2. Use navigation pad to Highlight [3: Lists and Spreadsheets]
  3. Press Enter
  4. A list opens with cursor in Cell A1.
  5. Use UpArrow to move the cursor to the header of the list and give it a name, say X.
  6. Press Enter. Cursor moves to Cell A1
  7. Enter an X-value in each cell and press ENTER to move to next cell:
  8. Type 1, and press ENTER. Say Yes to overwrite message by pressing OK.
  9. Enter 2,3,4,5,6,7,8,9,10 (just a bogus sample).
CREATE THE Y-LIST
  1. After typing 10 in cell A10, press ENTER to validate.
  2. Use the Navigation pad to move cursor to the head of the B column.
  3. Give it a name , say Y.
  4. Press ENTER, Cursor moves to cell B1.
  5. As for X-list, enter the Y values. Here is a sample (-2, -1, 0, 1,2,3,4,5,6,7). After you type value in B1, accept the overwrite message by pressing OK. Type the other values.
  6. Make sure that the X-List and Y-List have the same number of elements, otherwise you will have a dimension mismatch error.
DOING A REGRESSION
  1. While the lidt is still displyed, prress the Menu key
  2. Highlight [4:Statistics]
  3. Use Right Arrow to unfold submenu list and select [1:Stat Calculations]
  4. Use right Arrow to unfold the submenu list and
  5. Select [3:Linear regression (mx+b)] or [4:linear regression (ax+b)]
That is what you see.
a8d4376.jpg
Using Tab to move from one line to the next, configure the calculator as seen on the next screen.
25998ef.jpg
And the last line is at the bottom of the next screen capture
db280de.jpg

The statistical results will hence be displayed in the C[] column.
Use TAb to move focus to OK, and press ENTER.
Here they are.
bd6f8f9.jpg

You can recognize each statistical results, RegEq is y=mx+b. You also have m, b, r^2, and r. The residuals appear on the next row. By highlighting the cell with the {0.,0...0} you can display the hidden values
8381923.jpg

Here you have all you asked for. But you can go further by drawing the curve.

The regression equation is stored in function f1, so you have to draw the f1 function. .

DRAWING THE REGRESSION CURVE

Press the HOME button
Highlight and select [2:Graphs and Geometry]
At the bottom of the screen there is a command line with f2(x)=
Use the UpArrow to display the f1(x)= equation
ba8a1a4.jpg

Press ENTER to draw the function f1
fc19833.jpg

I think I have to stop here. There is enough material to get you started.
I left for you the part where you draw the data points. read the user manual.

Jan 28, 2010 | Texas Instruments TI-Nspire Graphic...

1 Answer

I have an HP 12C calculator and I cannot find the user manual and I cannot remember how to change the no. of decimal places?


Check this HP FAQ:
Setting a Fixed Decimal Place You can download the manual and user guides for your calculator from here:
http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&product=81575&lang=en&

For more information, Faqs & how-Tosgo the HP support homepage for your calculator:
http://h10025.www1.hp.com/ewfrf/wc/product?lc=en&dlc=en&cc=us&lang=en&product=81575&
s.gif
Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format
  1. Press and release c01774993.jpg .
  2. Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected. Example (standard format) If the number in the display is 14.87456320, the display will be changed as follows: Keystroke Display c01774994.jpg 14.8746 c01774995.jpg 14.9 c01774996.jpg 15 c01774997.jpg 14.87456320 Instructions for scientific notation Use scientific notation for very large or very small numbers. Type in the mantissa. After pressing, c01774998.jpg the next numbers keyed in are exponents of 10. Press c01774569.jpg . If during an operation a result has more than 10 digits, the calculator automatically displays the number in scientific notation
s.gif
Introduction This document describes how to set the desired number of decimal places on the HP 12c calculator in standard format. It also covers how to enter a number in scientific notation. Instructions for standard format
  1. Press and release c01774993.jpg .
  2. Press the number key for the desired number of decimal places to be displayed to the right of the decimal point (0 through 9). The calculator displays a maximum of 10 digits.
The display will show the specified number of decimal places. The answer will be rounded to the number of digits selected. Example (standard format) If the number in the display is 14.87456320, the display will be changed as follows: Keystroke Display c01774994.jpg 14.8746 c01774995.jpg 14.9 c01774996.jpg 15 c01774997.jpg 14.87456320 Instructions for scientific notation Use scientific notation for very large or very small numbers. Type in the mantissa. After pressing, c01774998.jpg the next numbers keyed in are exponents of 10. Press c01774569.jpg . If during an operation a result has more than 10 digits, the calculator automatically displays the number in scientific notation

Aug 24, 2009 | HP 12c Calculator

3 Answers

Calculator


If i type 10+10 it comes up with 10+10=20 and my setting is on Math G . So mabey try that ?

May 07, 2007 | Casio FX300S-TP Calculator

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