Question about Victor 1208 Calculator

Hello,

Calculators usually have two minuses, the regular minus sign and the change sign sometimes labeled (-) or (+/-). The latter is not meant to effect a subtraction, but to take the negative of the number you just entered. Big difference, would you say, but the syntax is different.

Ex: 15 - 7 is a subtraction with result 8

10 (-) displays -10 on the screen.

In some calculators the change sign is smaller than the regular minus, and is raised above the main line.

Hope it helps.

Posted on Oct 05, 2009

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Posted on Jan 02, 2017

Rules for multiplying signed numbers: like signs positive, unlike signs, negative, so your answer is negative.

Sep 19, 2014 | Computers & Internet

The plus sign in front of a number does not need to be written. However if the number is negative, the sign must be used. The calculators do have a key to make a number negative. It is usually marked as** (-)** where the negative sign - is than smaller the minus sign for the subtraction operation. On other calculators, the key is marked as **+/-.** You must be careful how to use it: it must be the first sign of any expression.

Sep 30, 2013 | Sharp el-531x scientific calculator

Minus and change-sign are two completely different things. Minus is used to subtract one number from another. When you press minus when the input line is empty, your telling the calculator to subtract. The only way it can subtract the number you're about to put in is to subtract it from something else, and that something else is the previous answer, hence the "Ans."

If you want to input a negative number, use the change-sign key. If you want to subtract one number from another number, use the minus key.

Try pressing the plus key when the input line is empty. You'll get Ans+ in this case as well, The same with multiply and divide, among others, and for the same reason.

If you want to input a negative number, use the change-sign key. If you want to subtract one number from another number, use the minus key.

Try pressing the plus key when the input line is empty. You'll get Ans+ in this case as well, The same with multiply and divide, among others, and for the same reason.

Sep 23, 2013 | Texas Instruments TI-84 Plus Calculator

To take the log of a number, enter the number then press the LOG button, then the =. To take the log of a negative number, enter the negative number using the +/- key just to the right of the decimal point. To calculate the negative of a log, calculate the log and then negate it using +/-. To calculate the antilog (inverse logarithm), press 2nd then LOG.

Bear in mind that LOG is the common (base-10) logarithm. For the natural (base-e) logarithm, use the LN key to its right.

Bear in mind that LOG is the common (base-10) logarithm. For the natural (base-e) logarithm, use the LN key to its right.

Nov 07, 2011 | Texas Instruments TI-30XA Calculator

You must enclose the negative number between parentheses. (-15)^2 will give 225 because it is the whole content of the parentheses that is squared. However if you write -15^2 the result is -225.Check the key stokes.

Jun 02, 2011 | Texas Instruments TI-30XA Calculator

I think what you did was use the minus sign instead of the negative sign, on that calculator, the two are not interchangeable. I purposely used the minus sign just now and also got a syntax error, but it looks like it works with the negative sign (-) located under the 3 button.

May 08, 2011 | Texas Instruments TI-30 XIIS Calculator

I cannot see why it did not work.

Press [SHIFT][TAN] to access the arc-tangent.

The command echoes on screen.

Enter your ratio (why do you keep the negative signs? They cancel one another).

Close the parenthesis and press [=/EXE] key.

In degrees, the angle should be 77.00964571

Note: If you have to enter the negative sign, do not use the subtraction operator, but the change sign key (-).

Press [SHIFT][TAN] to access the arc-tangent.

The command echoes on screen.

Enter your ratio (why do you keep the negative signs? They cancel one another).

Close the parenthesis and press [=/EXE] key.

In degrees, the angle should be 77.00964571

Note: If you have to enter the negative sign, do not use the subtraction operator, but the change sign key (-).

Feb 16, 2011 | Casio FX-115ES Scientific Calculator

Hello,

Use the small (-) sign sometimes labelled [(-)] or [+/-] and put the whole exponent netween parentheses 18 [y to the x] [(] [(-)] 3 [)] . On some calculators you enter the small - signe after the value of exponent,

18 [y t x] 3 (-) [Enter] should give you 1.7146E-4

In summary the small minus sign; the whole negative exponent between parentheses.

Hope it helps.

Use the small (-) sign sometimes labelled [(-)] or [+/-] and put the whole exponent netween parentheses 18 [y to the x] [(] [(-)] 3 [)] . On some calculators you enter the small - signe after the value of exponent,

18 [y t x] 3 (-) [Enter] should give you 1.7146E-4

In summary the small minus sign; the whole negative exponent between parentheses.

Hope it helps.

Sep 18, 2009 | Sharp EL-531VB Calculator

Hi

I would gladly try to help you, but you do not mention wich brand and model the oven is, however they all work basicaly the same:

1. Punch in cook time. 2. Punch "CONVEC" 3. Punch a temperature button 4. Punch "START"

If you give me the brand and model number I may be able to email you the instructions for fee via email.

Hope this will help you.

Eddie Rentas

Tupper Lake NY

I would gladly try to help you, but you do not mention wich brand and model the oven is, however they all work basicaly the same:

1. Punch in cook time. 2. Punch "CONVEC" 3. Punch a temperature button 4. Punch "START"

If you give me the brand and model number I may be able to email you the instructions for fee via email.

Hope this will help you.

Eddie Rentas

Tupper Lake NY

Jun 25, 2008 | Cooktops

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