Question about Canon P23-DH Calculator

How can I get rid of the "E" after trying to do a calculation of 3 or more line items?

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E = Error. Hit Clear, or shut the unit off and then back on.

IF after turning the machine off and back on, and you still have an "E" error , then check to see if there is anything jammed in the printer.

Posted on Feb 03, 2008

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Hi there,

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Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

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Good luck!

Posted on Jan 02, 2017

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A-2+3=-2

Rule when solving equations is to do to one side what you do to the other.

We want A to be by itself.

To get rid of -2 on the left side, we must add 2 to both sides.

A-2+3+2 =-2+2

A+3 = 0

To get rid of the 3 on the left, we must subtract 3 from both sides.

A+3-3 = 0 - 3

A = -3

To check if we did it correctly, put A = -3 in the initial equation and see if the left side is equal to the right side.

Good luck.

Paul

Rule when solving equations is to do to one side what you do to the other.

We want A to be by itself.

To get rid of -2 on the left side, we must add 2 to both sides.

A-2+3+2 =-2+2

A+3 = 0

To get rid of the 3 on the left, we must subtract 3 from both sides.

A+3-3 = 0 - 3

A = -3

To check if we did it correctly, put A = -3 in the initial equation and see if the left side is equal to the right side.

Good luck.

Paul

Oct 16, 2014 | Office Equipment & Supplies

Are you entering any number before pressing the minus, add, multiply, or divide key? Those operations require two numbers; if you don't supply the first one then the calculator will supply the previous answer, which was zero.

For example, to add 2 and 3, press 2 + 3 = and you'll see 5. Now to add 4 to that, press + and the calculator will automatically supply the 5. Press 4 = and you'll see 9.

For example, to add 2 and 3, press 2 + 3 = and you'll see 5. Now to add 4 to that, press + and the calculator will automatically supply the 5. Press 4 = and you'll see 9.

Oct 08, 2013 | Sharp el-531x scientific calculator

The following solution shows how to find the value of x:

Start with the general equation given:

y = -(3/5)x - 8

Substitute the known value of y:

-11 = -(3/5)x - 8

Add 8 to both sides:

-11 + 8 = -(3/5)x - 8 + 8

-3 = -(3/5)x

Now multiply both sides by 5 to get rid of the denominator:

-3 * 5 = -(3/5)x * 5

-15 = -3x

Now divide by -3 to get x:

-15/3 = -3x/3

x = 5

The answer is x = 5.

Start with the general equation given:

y = -(3/5)x - 8

Substitute the known value of y:

-11 = -(3/5)x - 8

Add 8 to both sides:

-11 + 8 = -(3/5)x - 8 + 8

-3 = -(3/5)x

Now multiply both sides by 5 to get rid of the denominator:

-3 * 5 = -(3/5)x * 5

-15 = -3x

Now divide by -3 to get x:

-15/3 = -3x/3

x = 5

The answer is x = 5.

Apr 27, 2011 | Texas Instruments TI-84 Plus Calculator

Hold (C.CE) then whilst holding it press (M+) for approximately a second and it will move one place along in the three settings (F, 2 and 0) F shows full decimals, 2 shows 2 decimal places and 0 as yours is set to now round to the nearest whole number. I have just been sat at my desk trying to work this out as my calculator was too set to '0'. Took me reading the 'DEC DET' text with lines pointing at 'M+' and 'C.CE' to finally crack it!

Hope this helps.

Hope this helps.

Apr 04, 2011 | Sharp ELM332BBL Calculator

TI-5045 SV

ii

English.............................................................. 1

Fran?ais ............................................................ 6

Espa?ol ............................................................. 11

Portugu?s ........................................................... 16

Examples, exemples, ejemplos, exemplos .............................. 21

ILLUSTRATIONS ¦ FIGURES ¦ ILUSTRACIONES¦ ILUSTRA??ES

Removable tab

Languette

Leng?eta extracci?n

Alavanca usada para o rolo

Ink roller

Rouleau encreur

Tamp?n de tinta

Cartucho de tinta

1

English

Your Texas Instruments calculator has a built-in printer for producing a permanent record printout of

your calculations with negative numbers printed in red. A big, easy-to-read display also enables you to

check entries or perform quick calculations without printing.

GETTING STARTED

OFF ON PRT IC GT

POWER

1. Connect the calculator to a proper power outlet (110-120V or 220-240V

where available).

2. The calculator is turned on by setting the POWER switch to the PRT

position.

Inserting the paper (see illustrations 1, 2, 3, and 4 on page ii).

1. Turn on the calculator.

2. Open the printer compartment cover by pressing down on its front edge and sliding it back in the

direction of the arrow.

3. Fit the roll of paper on the holder so that it unrolls from the bottom, with the loose end toward the

calculator.

4. Cut the end of the paper squarely and insert it firmly into the printer slot on the back of the

calculator.

5. Press & until the paper is in the printing position.

Replacing the ink roller (see illustrations 5 and 6 on page ii)

1. Turn the calculator off and tear off the excess paper.

2. Remove the printer cover by pressing down on both sides of the front edge and sliding back in the

direction of the arrow.

3. Remove the old ink roller by lifting it with the removal tab.

4. Insert the new ink roller into the compartment and press down gently until it snaps into place. Close

the printer compartment.

Note: The old ink rollers should not be refilled. Replacement rollers can be obtained from your local

retailer. The warranty does not cover ink roller replacement.

2

SELECTION SWITCH SETTINGS

OFF ON PRT IC GT

POWER ROUND

: 5/4 9 + F 0 2 3

DECIMAL

4

TAX

SET CALC

Set the POWER, ROUND, DECIMAL and TAX switches as required.

Note: The TAX switch is spring-loaded to return to CALC when it is moved to SET and released.

The switch settings are summarized in the following table:

SWITCH SETTING FUNCTION

POWER ON

PRT

IC

GT

No printout is provided; however, the display can be printed by pressing

4.

The printer provides a printout of your calculations but does not count them.

The printer is on and an item count of additions and subtractions to or from

the register is printed when sub-totaled or totaled.

The GT position controls whether or not the totals from the independent add

register are accumulated in the grand total register.

ROUND Rounds the result of a calculation to the selected number of decimal places.

:

5/4

9

Truncates the result to the selected number of decimal places.

Rounds the result up or down according to its value. For example, when the

DECIMAL switch is set to 2, the result is rounded up if the third decimal

position is 5 or more and rounded down if it is 4 or less.

Rounds the result up to the selected number of decimal places.

Ex. 220 P 6

Setup: PRINTER: PRT, ROUND: :

DECIMAL: 2, TAX: CALC

Ex. 220 P 6

Setup: PRINTER: PRT, ROUND: 5/4

DECIMAL: 2, TAX: CALC

Press Display Printout Press Display Printout

2 0. 0¦ C

220 ' 220. 220¦ P

6 3 36.66 6¦ =

36¦66 ?

2 0. 0¦ C

220 ' 220. 220¦ P

6 3 36.67 6¦ =

36¦67 ?

DECIMAL + Add mode: All results are given with two decimal places. For addition and

subtraction only, a decimal point is automatically placed to the left of the last

two digits entered, unless the number already includes a decimal point.

F Floating mode: Any results are displayed and printed with the maximum

number of decimal places.

0 2 3 4 Fixed decimal mode: Sets the number of decimals to 0, 2, 3, or 4.

3

TAX SET

CALC

Lets you enter a tax rate to perform tax calculations.

Stores the tax rate. Pressing ! or " after a tax rate has been entered,

adds/subtracts the stored tax rate to/from the value in the display.

Ex. VAT = 17.5 %

100 + VAT

Ex. VAT = 17.5 %

235 - VAT

Setup: PRINTER: PRT, DECIMAL: F, ROUND: 5/4, TAX: CALC

Move and hold the TAX switch to SET. Press 217 L 5 and release the TAX switch. It

automatically returns to CALC. 17.5% is printed.

Press Display Printout Press Display Printout

2 0. 0¦ C

100! 117.5 100¦

17¦5 @

117¦5 ?

2 0. 0¦ C

235" 200. 235¦

N35¦ @

200¦ ?

Note: The most common setup is POWER: PRT, ROUND: 5/4, DECIMAL: 2, TAX: CALC. Use these

positions for the examples unless other settings are given.

KEY DESCRIPTIONS

Basic keys

I Clear Entry: Clears an entry, enabling you to enter another number in its place. Note

that this key does not clear the add register.

2 Clear Key: Clears the add register, any pending operations, and the display. 0.C is

printed. Does not clear the memory.

( Right Shift: Deletes the right-most digit entered from an entry before an operation key is

pressed. Shifts the remaining digits one place to the right.

L Decimal Point: Enters a decimal point.

4 Date/Non-Add: Prints a date (such as 12¦10¦96) or a number for reference purposes.

Does not affect calculations. This entry is printed on the left side of the printout, the date

or number preceded by the # sign.

& Paper Advance: Advances the printing paper.

Addition and subtraction keys

9 Add: Adds a number to the add register. Displays the cumulated result.

: Subtotal: Gives the intermediate total from the add register. Using this key does not

affect the contents of the add register.

. Subtract: Subtracts a number from the add register. Displays the cumulated result.

E Total: Gives the total from the add register, and then clears the register.

4

Multiplication, division, percent and margin keys

? Multiply: Multiplies the number in the display by the next value entered.

' Divide: Divides the number in the display by the next value entered.

3 Equals: Completes any pending multiplication or division operation.

> Percent: Calculates percentages, ratios, add-ons (e.g. of VAT), or discounts.

# Gross Profit Margin: Calculates the selling price of an item when its cost and gross

profit (or loss) margin are known; also used to obtain a price excluding VAT.

Ex.

Cost: 594

Profit margin: 40%

Press:2 594 # 40 3

Answer:

Selling price: 990

Gross profit: 396

Ex.

Selling price including VAT: 252

VAT %: 20%

Press: 252 # 20 . 3

Answer:

Selling price excluding VAT: 210

VAT: 42

/ Grand Total: Gives the grand total of the operations previously performed and stored in the

Grand Total register. Every time a total is obtained with E it is cumulated into this register

(printout shows G+) which is only cleared when / is pressed twice. During long

calculations, if / is not used, this re

ii

English.............................................................. 1

Fran?ais ............................................................ 6

Espa?ol ............................................................. 11

Portugu?s ........................................................... 16

Examples, exemples, ejemplos, exemplos .............................. 21

ILLUSTRATIONS ¦ FIGURES ¦ ILUSTRACIONES¦ ILUSTRA??ES

Removable tab

Languette

Leng?eta extracci?n

Alavanca usada para o rolo

Ink roller

Rouleau encreur

Tamp?n de tinta

Cartucho de tinta

1

English

Your Texas Instruments calculator has a built-in printer for producing a permanent record printout of

your calculations with negative numbers printed in red. A big, easy-to-read display also enables you to

check entries or perform quick calculations without printing.

GETTING STARTED

OFF ON PRT IC GT

POWER

1. Connect the calculator to a proper power outlet (110-120V or 220-240V

where available).

2. The calculator is turned on by setting the POWER switch to the PRT

position.

Inserting the paper (see illustrations 1, 2, 3, and 4 on page ii).

1. Turn on the calculator.

2. Open the printer compartment cover by pressing down on its front edge and sliding it back in the

direction of the arrow.

3. Fit the roll of paper on the holder so that it unrolls from the bottom, with the loose end toward the

calculator.

4. Cut the end of the paper squarely and insert it firmly into the printer slot on the back of the

calculator.

5. Press & until the paper is in the printing position.

Replacing the ink roller (see illustrations 5 and 6 on page ii)

1. Turn the calculator off and tear off the excess paper.

2. Remove the printer cover by pressing down on both sides of the front edge and sliding back in the

direction of the arrow.

3. Remove the old ink roller by lifting it with the removal tab.

4. Insert the new ink roller into the compartment and press down gently until it snaps into place. Close

the printer compartment.

Note: The old ink rollers should not be refilled. Replacement rollers can be obtained from your local

retailer. The warranty does not cover ink roller replacement.

2

SELECTION SWITCH SETTINGS

OFF ON PRT IC GT

POWER ROUND

: 5/4 9 + F 0 2 3

DECIMAL

4

TAX

SET CALC

Set the POWER, ROUND, DECIMAL and TAX switches as required.

Note: The TAX switch is spring-loaded to return to CALC when it is moved to SET and released.

The switch settings are summarized in the following table:

SWITCH SETTING FUNCTION

POWER ON

PRT

IC

GT

No printout is provided; however, the display can be printed by pressing

4.

The printer provides a printout of your calculations but does not count them.

The printer is on and an item count of additions and subtractions to or from

the register is printed when sub-totaled or totaled.

The GT position controls whether or not the totals from the independent add

register are accumulated in the grand total register.

ROUND Rounds the result of a calculation to the selected number of decimal places.

:

5/4

9

Truncates the result to the selected number of decimal places.

Rounds the result up or down according to its value. For example, when the

DECIMAL switch is set to 2, the result is rounded up if the third decimal

position is 5 or more and rounded down if it is 4 or less.

Rounds the result up to the selected number of decimal places.

Ex. 220 P 6

Setup: PRINTER: PRT, ROUND: :

DECIMAL: 2, TAX: CALC

Ex. 220 P 6

Setup: PRINTER: PRT, ROUND: 5/4

DECIMAL: 2, TAX: CALC

Press Display Printout Press Display Printout

2 0. 0¦ C

220 ' 220. 220¦ P

6 3 36.66 6¦ =

36¦66 ?

2 0. 0¦ C

220 ' 220. 220¦ P

6 3 36.67 6¦ =

36¦67 ?

DECIMAL + Add mode: All results are given with two decimal places. For addition and

subtraction only, a decimal point is automatically placed to the left of the last

two digits entered, unless the number already includes a decimal point.

F Floating mode: Any results are displayed and printed with the maximum

number of decimal places.

0 2 3 4 Fixed decimal mode: Sets the number of decimals to 0, 2, 3, or 4.

3

TAX SET

CALC

Lets you enter a tax rate to perform tax calculations.

Stores the tax rate. Pressing ! or " after a tax rate has been entered,

adds/subtracts the stored tax rate to/from the value in the display.

Ex. VAT = 17.5 %

100 + VAT

Ex. VAT = 17.5 %

235 - VAT

Setup: PRINTER: PRT, DECIMAL: F, ROUND: 5/4, TAX: CALC

Move and hold the TAX switch to SET. Press 217 L 5 and release the TAX switch. It

automatically returns to CALC. 17.5% is printed.

Press Display Printout Press Display Printout

2 0. 0¦ C

100! 117.5 100¦

17¦5 @

117¦5 ?

2 0. 0¦ C

235" 200. 235¦

N35¦ @

200¦ ?

Note: The most common setup is POWER: PRT, ROUND: 5/4, DECIMAL: 2, TAX: CALC. Use these

positions for the examples unless other settings are given.

KEY DESCRIPTIONS

Basic keys

I Clear Entry: Clears an entry, enabling you to enter another number in its place. Note

that this key does not clear the add register.

2 Clear Key: Clears the add register, any pending operations, and the display. 0.C is

printed. Does not clear the memory.

( Right Shift: Deletes the right-most digit entered from an entry before an operation key is

pressed. Shifts the remaining digits one place to the right.

L Decimal Point: Enters a decimal point.

4 Date/Non-Add: Prints a date (such as 12¦10¦96) or a number for reference purposes.

Does not affect calculations. This entry is printed on the left side of the printout, the date

or number preceded by the # sign.

& Paper Advance: Advances the printing paper.

Addition and subtraction keys

9 Add: Adds a number to the add register. Displays the cumulated result.

: Subtotal: Gives the intermediate total from the add register. Using this key does not

affect the contents of the add register.

. Subtract: Subtracts a number from the add register. Displays the cumulated result.

E Total: Gives the total from the add register, and then clears the register.

4

Multiplication, division, percent and margin keys

? Multiply: Multiplies the number in the display by the next value entered.

' Divide: Divides the number in the display by the next value entered.

3 Equals: Completes any pending multiplication or division operation.

> Percent: Calculates percentages, ratios, add-ons (e.g. of VAT), or discounts.

# Gross Profit Margin: Calculates the selling price of an item when its cost and gross

profit (or loss) margin are known; also used to obtain a price excluding VAT.

Ex.

Cost: 594

Profit margin: 40%

Press:2 594 # 40 3

Answer:

Selling price: 990

Gross profit: 396

Ex.

Selling price including VAT: 252

VAT %: 20%

Press: 252 # 20 . 3

Answer:

Selling price excluding VAT: 210

VAT: 42

/ Grand Total: Gives the grand total of the operations previously performed and stored in the

Grand Total register. Every time a total is obtained with E it is cumulated into this register

(printout shows G+) which is only cleared when / is pressed twice. During long

calculations, if / is not used, this re

Jan 16, 2011 | Office Equipment & Supplies

( 3 + 4 ) ^ 3 / ( 1 7 - 2 0 0 sqrt / 2 ) = or

( 3 + 4 ) ^ 3 / ( 1 7 - 2 0 0 sqrt ) / 2 = depending on what you meant.

( 3 + 4 ) ^ 3 / ( 1 7 - 2 0 0 sqrt ) / 2 = depending on what you meant.

Oct 31, 2010 | Texas Instruments TI-30XA Calculator

MU stands for mark up.
<!-- from fixya rte -->

May 01, 2010 | Sharp EL-1197P Calculator

Do not panic!. Press [MODE]. On first line of MODE set up screen use arrow keys to highlight NORMAL and press [ENTER].

Use down arrow key to go to the line starting with FLOAT, and highlight the number of digits you want your results to display (from 0 to 9). Keep in mind that with 0, all your results will be rounded to the nearest integer. With 9, you have a large stream of digits (not necessarily a more accurate result).

However, if your results are too small or too large, the scientific display format ( with E )will be used regardless of the MODE setup.

Use down arrow key to go to the line starting with FLOAT, and highlight the number of digits you want your results to display (from 0 to 9). Keep in mind that with 0, all your results will be rounded to the nearest integer. With 9, you have a large stream of digits (not necessarily a more accurate result).

However, if your results are too small or too large, the scientific display format ( with E )will be used regardless of the MODE setup.

Mar 13, 2010 | Texas Instruments TI-84 Plus Calculator

Hi,

**You can use algebra to solve it.**

Use the fact that 4 =2^2 and 8=2^3 and substitute in the equation

(2^3)^x =2^(3*x)

Then** 2^(3*x)=2^2**

By equating the exponents

3x=2 and**x=2/3**

**Using the solve( function**

With the calculator physical keys between square brackets, and the SHIFTed or ALPHA keys between parentheses, type in the following

8 [^ ] [ALPHA] [ ) ] (X) [ALPHA][CALC] ( =) 4 [SHIFT][CALC] (SOLVE)

Once the foregoing command entered press [=]

Display shows**Solve for X** on top line and probably **0.000** on bottom line.

Press [.] 5 to give 0.5 as a guess for the value of x

After a moment the calculator returns with the solution.

The display shows three lines

1st Line: 8[^] X =4

2nd Line: X= 0.66666666

3rd Line : L-R =0.

Your solution is 0.6666666. In fact the exact solution is 2/3.

Hope it helps.

Thank you for using FixYa and for rating this solution.

Use the fact that 4 =2^2 and 8=2^3 and substitute in the equation

(2^3)^x =2^(3*x)

Then

By equating the exponents

3x=2 and

With the calculator physical keys between square brackets, and the SHIFTed or ALPHA keys between parentheses, type in the following

8 [^ ] [ALPHA] [ ) ] (X) [ALPHA][CALC] ( =) 4 [SHIFT][CALC] (SOLVE)

Once the foregoing command entered press [=]

Display shows

Press [.] 5 to give 0.5 as a guess for the value of x

After a moment the calculator returns with the solution.

The display shows three lines

1st Line: 8[^] X =4

2nd Line: X= 0.66666666

3rd Line : L-R =0.

Your solution is 0.6666666. In fact the exact solution is 2/3.

Hope it helps.

Thank you for using FixYa and for rating this solution.

Dec 03, 2009 | Casio FX-115ES Scientific Calculator

I found it by myself, I can help you.

1. Press (AC)

2. Hold (Rate) for about 2-3 second

3. Press (Set / TAX+)

4. Input the tax rate

5. Press (Set / TAX+)

6. Hold (Rate) for about 2-3 second again

7. Press (Set / TAX+) again

And Then you can test the rate .

From Thailand

1. Press (AC)

2. Hold (Rate) for about 2-3 second

3. Press (Set / TAX+)

4. Input the tax rate

5. Press (Set / TAX+)

6. Hold (Rate) for about 2-3 second again

7. Press (Set / TAX+) again

And Then you can test the rate .

From Thailand

Mar 12, 2009 | Casio Office Equipment & Supplies

Jun 25, 2014 | Canon P23-DH Calculator

Jun 13, 2014 | Canon P23-DH Calculator

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Usually answered in minutes!

IT HAS AN E ON THE SCREEN AND IT WONT FEED OR PRINT. HELP!

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