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Calculators
A calculator is a hand-held inexpensive electronic device used to perform the operations of arithmetic. The simplest calculators can only do addition, subtraction, multiplication, and division, while scientific calculators can handle exponential operations, and trigonometric and logarithmic functions.
1,648 Questions
How do you use the percent key on EL-W516 Calculator?
First start of by typing in the numbers you want to find the percent to ex) 23/54
Then press the 2nd function button (orange) and press 1, this should give you in this example 42-16/27 just hit the CHANGE button ( it has little arrows in it) until you get 42.5925...%
3,295,271,339 is not a prime number. 151, 181, 27331, 120569, 21822989, and 18205919 are all evenly go in to 3,295,271,339.
It is 123.99
Basically, you go to the PRGM button on your calculator, scroll over to NEW, and hit enter. Then you name it whatever you want. hitting the PRGM button allows you to access many tools. If, Then, Else, Goto, and Lbl allow you to make if-then statements. you do that like this
:If (this is an example) X=3
:Then
:Goto 9
:Else
:Goto 0
Then you have to make Labels 9 and 0, and have them do something. End and stop both end the program, but sometimes one works and the other deosn't. Pause halts the Program until the Enter button is pushed, but there are ways to create time delays. One way is to have a loop
:0->x
:Lbl 0
:X+1->X
:If X<15
:Then
:Goto 0
:Else goto 1
:Lbl 9
:whatever you want it to do now
The Menu button is one of the hardest things to work with, but one of the most helpful. You need a lot of labels typically. A sample menu is shown here.
:Menu("Title","Option 1",1,"Option 2",2,"Option 3",3)
then you have
:Lbl 1 that is for your first option, and so forth.
prgm is used if you want to run a program inside one of your programs.
Input is used to get a number as in
:Input X
it will display when you run it as a ? and the number you type will be saved to that variable.
Prompt is the same thing except that it will display as
X?
Disp is one of the most important tools you will find on your calculator.
Disp jklo will display the product of j times k times l times o
Disp "HI will display HI
Output is used as
:Output(1,1,"HI MY NAME IS JOE
the 1,1, is necessary, and is the position on the screen
:Output(2,1,"HI MY NAME IS JOE
will display
HI MY NAME IS JOE
ClrHome clears the home screen, and must be done before any output
GetCalc and Send( are used in 2-calculator programs, almost always games, and are self-explanitory
EXEC only does another program within yourself
If you can't get out of anything, hit the 2nd off button, and it will turn off or display ERROR:BREAK
1:Quit
2:Goto
beware of loops such as
Lbl 9
blah blah blah
Goto 9
or
in the program HI
Prgm HI
How does one calculate factorials in probability on a TI 83 84 calculator?
Example: Calculate 6 factorial...
On the home screen [Clear]
Press [6] [Math] and the left arrow key - this selects the PRB menu
Press [4] for !
Press [Enter]
The answer, 720, is displayed.
Because it allows us to perform calculations that would be too difficult (or too slow).
Does the TI 89 calculator have a log function?
Yes it is hidden you need to hit the green (Diamond) and press 7.
Is there a free calculator online?
Yes there is. Everyone needs a calculator at some point. Various websites carry calculators that you can use for free. It wouldn't fully replace your expensive one, but it is a good start. I will share you couple of good websites that carry free calculators. online-calculator.com that website provides you with a simple calculator. You can also buy a used calculator for less money to replace your expensive one.
You want to register for world maths day?
not really, but my brother has an account and it's kind of cool to go and play against people all over the world. I like freerice.com better
How do you hack world maths day?
Hacking is not what World Maths Day is about. WMD is about people from around the world competing with each other.
If you want to get high scores, you need to answer the questions correctly and honestly.
You simply divide 8.888 by 10 to power 9
