Question about Texas Instruments TI-30 XIIS Calculator

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OK i need to enter randint( 1,731,8)
and it says to hit enter but then i get argument
my answer is then suppose to come out like this (537 33 249 728....

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The command randInt( is designed to give you RANDOM integer numbers chosen (AT RAMDOM) in a certain range.
Suppose you ask your friend to give you 8 integer numbers chosen between 1 and say 731). Can you guess beforehand what his/her answer is going to be? You can claim irregularity if one of the numbers is 732 or 1000, but you cannot say my answer is supposed to come out such and such. Do you see the analogy. Try saying that to the Lottery guys.

Hope it clarifies things.

Posted on Sep 09, 2009

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Graphing calculator argument error

The function you give as example in the additional information to your duplicate post is too simple to generate an Argument error. Maybe a syntax error but not an argument error.
Check what you enter on the line that defines the function. Do not confuse the minus sign - (for subtraction) and the change sign (negation sign) marked (-).
You can also reset your calculator by pressing the button on the back.

Mar 09, 2014 | Office Equipment & Supplies

1 Answer

How is this the answer?

Start with the more complicated part. Use parentheses to make sure the correct argument is entered.
1-1.00625^(-360)= the result is stored in ANS memory
Then use 2nd Ans [x:times] 1096.875 = 1227.121463

For the minus sign in front of 360, use the change sign (negate) key marked (-) or (+/-)

Mar 03, 2012 | Texas Instruments TI-30XA Calculator

1 Answer

When I enter the square root of 7 and hit enter it just repeats that and shows square root of 7. How can I get the exact answer?

Instead of hitting enter, hit diamond, then enter. The calculator will then give you a decimal approximation. Alternatively, you can go to F2, approx( and enter in the root you need approximated. Another method is to go to the MODE page and scroll down to Exact/Approx and change it to approx. That way it will work the same as a TI-83/84 and always give a decimal answer.

Aug 29, 2011 | Texas Instruments TI-89 Calculator

1 Answer

I can't do simple commands like expand( ), integrade, differentiate,... I know that the command is expand(X^3-1) but the answer i get is always { } with no answer in it thanks for ur help Tom

Hi tomschepers1,

I can see why the expand command doesn't work with the equation your inputting. Even though, expand(x^3-1,x) would work better. The expand command does not expand to a complex form. But, your other functions should have worked. The {} tells me your asking the calculator to do something it can't do or, is to big to do, (to many arguments).

So, you need to use the NewProb command at the Home screen. On the command line at the Home screen press, [CLEAR]. Then press, [2nd][F1][2][ENTER] and, the NewProb command will be entered at the Home screen. If that doesn't enable the functions to work properly, then you need to reset your RAM to default conditions. To reset the RAM to it's defaults press, [2nd][MEM][F1][Right Arrow][2][ENTER].

If you have any question about my solution, please post your comment and, I'll respond quickly.

Jan 14, 2011 | Texas Instruments Voyage 200 Calculator

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What does error #13 dimension mean on my TI-86 calculator, please.

Three possibilities:

1) You entered an argument with an inappropriate dimension.

2) You entered a matrix or vector dimension < 1 or > 255 or a noninteger.

3) You attempted to invert a matrix that is not a square matrix.

If you need further help, please specify the exact problem you're trying to solve.

Feb 10, 2010 | Texas Instruments TI-86 Calculator

2 Answers

Is there a function on the TI-30XA that will generate random nubmers?

No such function my ***!

Just click prb --> RAND randint(
If you want a random integer from 1 to ten, randint(1,10
Then you just keep clicking enter to get different numbers.

Dec 07, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

TI-84 problems

Ok, if your trying to do something like this: 2+2=4 then make it continue adding by 2's (6,8,10...)
What you do is after you type 2+2 and press enter, you need to press the "+" and u should see it show this "ans+" then type 2. Then this should continue adding by 2's. Hope this helped.

Feb 28, 2009 | Texas Instruments TI-83 Plus Calculator

2 Answers


Easy! You can do either of the following:

(1) When you already have 37/2 as an answer... Press [F2] algebra, then go down 5: approx (, enter, and finally press in 37/2, enter again, and voila! 18.5....or type in approx(37/2)

(2) When you want your answer in decimal form, but don't want to break it down to two steps.... Press [your argument here] [green diamond button] [enter]

Jul 22, 2008 | Texas Instruments TI-89 Calculator

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