Question about Texas Instruments TI-83 Plus Calculator

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Use the numbers 2,4,6,8 adding any brackets, exponents, division, multiplication, adding,or subtracing operations to make an expression that equals 24.

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2*6+4+8

Posted on Apr 04, 2011

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What is factoring and give the examples


Quick-Start Guide When you enter an expression into the calculator, the calculator will simplify the expression by expanding multiplication and combining like terms. At this point the calculator will attempt to factor the expression by dividing a G C F, and identifying a difference between two squares, or factorable trinomials. Use the following rules to enter expressions into the calculator. Variables Any lowercase letter may be used as a variable. Exponents Exponents are supported on variables using the ^ (caret) symbol. For example, to express x 2, enter x ^ 2. Note: exponents must be positive integers, no negatives, decimals, or variables. Exponents may not currently be placed on numbers, brackets, or parentheses. Parentheses and Brackets Parentheses ( ) and brackets [ ] may be used to group terms as in a standard expression. Multiplication, Addition, and Subtraction For addition and subtraction, use the standard + and - symbols respectively. For multiplication, use the * symbol. A * symbol is optional when multiplying a number by a variable. For instance: 2 * x can also be entered as 2x. Similarly, 2 * ( x + 5 ) can also be entered as 2 ( x + 5 ) ; 2 x * ( 5 ) can be entered as 2 x ( 5 ). The * is also optional when multiplying parentheses, example: ( x + 1 ) ( x - 1 ). Order of Operations The calculator follows the standard order of operations taught by most algebra books - Parentheses, Exponents, Multiplication and Division, Addition and Subtraction. The only exception is that division is not currently supported; attempts to use the / symbol will result in an error. Division, Square Root, Radi cals, Fractions Division, square root, radi cals, and fractions are not supported at this time. A future release will add this functionality.

that's all I can say basically I learned it this way.

Jul 09, 2015 | Office Equipment & Supplies

1 Answer

How to convert Fahrenheit to Celsius


Put 70 in for F, and apply BEDMAS, the order of operations, brackets, exponents, division and multiplication, and finally addition and subtraction. In this case, we have to do the brackets first before the multiplication and division. The answer should be 21 degrees Celsius.

Feb 24, 2015 | Office Equipment & Supplies

1 Answer

Convert Fahrenheit to Celsius 70F to C by applying the formula (F-32)*5/9


Put 70 in for F, and apply BEDMAS, the order of operations, brackets, exponents, division and multiplication, and finally addition and subtraction. In this case, we have to do the brackets first before the multiplication and division. The answer should be 21 degrees Celsius.

Feb 24, 2015 | Office Equipment & Supplies

2 Answers

What is the answer for this problem 2 - 2 x 2 + 2 = ? for mdas rule


I'm assuming you mean the PEMDAS rule.
2 - 2 * 2 + 2
= 2 - 4 + 2
=-2 + 2
=0
The answer is 0.

Nov 06, 2014 | Acer Ferrari 1100 Notebook

1 Answer

What is the answer to to this (x^5)^3(x^3)^4


We have to follow BEDMAS, the order of operations, where brackets are first, then exponents, followed by division and multiplication, and finally addition and subtraction.

Also, we have to use the exponent law of an exponent to an exponent, we multiply the exponents with the same base.

If we forget this, we can always do it the long way.

(x^5)^3 = (x^5)(x^5)(x^5) = x^15

Similarly, (x^3)^4= (x^3)(x^3)(x^3)(x^3) = x ^12

Now that we have done the exponents, we can multiply x^15 by x^12 and get x^27.

Good luck.

Paul

Oct 05, 2014 | Office Equipment & Supplies

1 Answer

How do i use bedmas


BEDMAS is a mnemonic device used to help you remember the order of operations in the evaluation of mathematical expressions.
B stands for Brackets OR Parentheses.
E stands for Exponent(iation)
D: division
M: multiplication
A: addition
S subtraction

I will amend the device to introduce the ROOTS, and to separate the levels of priority by --

B--ER--DM--AS
That means that raising to a power E and extracting a root R have the same priority. When these operations follow one another the order is from left to right.
Division and Multiplication have the same priority levels. When they follow one another, the order is from left to right.
How to use : RECURRENTLY
Look at the expression and locate the brackets (parentheses).
If there are many sets of parentheses start at the left and take care of the leftmost set. When inside the leftmost set of parentheses use B-ER-DM-AS again, and again until there is only one term left.
If there are embedded parentheses start from the deepest.
Let us simplify a bit.
Inside first set of bracket
Are there brackets: No
Are there Powers or Roots: yes. take care of powers and roots starting from the left until there are no more powers or roots
Are there multiplications or divisions? Yes. take care of multiplications and divisions starting from the left until there are no more divisions or multiplications.

Nov 21, 2013 | Canon F-502 Calculator

1 Answer

240/20x6-13+41 can't figure out the answer


You'll need to use the Order of Operations to solve this problem. They are Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction (Please Excuse My Dear Aunt Sally). Multiplication/Division have the same weight, so you read it from left to right. Same with Addition/subtraction.

For this problem, you see there are no parenthesis or exponents, so you move right to multiplication/division. Reading from left to right, the first thing you see is 240/20. Evaluating that comes out to 12. Now you have 12*6 (assuming the x is a multiplication symbol), which evaluates to 72. 72-13=59, and 59+41=100.

Written another way:
240/20*6-13+41
12*6-13+41
72-13+41
59+41
100

Aug 29, 2011 | Computers & Internet

1 Answer

Give some example of math equation?


The following are examples of expressions:
2
x
3 + 7
2 × y + 5
2 + 6 × (4 - 2)
z + 3 × (8 - z)
Example:
Roland weighs 70 kilograms, and Mark weighs k kilograms. Write an expression for their combined weight. The combined weight in kilograms of these two people is the sum of their weights, which is 70 + k.
Example:
A car travels down the freeway at 55 kilometers per hour. Write an expression for the distance the car will have traveled after h hours. Distance equals rate times time, so the distance traveled is equal to 55 × h..
Example:
There are 2000 liters of water in a swimming pool. Water is filling the pool at the rate of 100 liters per minute. Write an expression for the amount of water, in liters, in the swimming pool after m minutes. The amount of water added to the pool after m minutes will be 100 liters per minute times m, or 100 × m. Since we started with 2000 liters of water in the pool, we add this to the amount of water added to the pool to get the expression 100 × m + 2000.
To evaluate an expression at some number means we replace a variable in an expression with the number, and simplify the expression.
Example:
Evaluate the expression 4 × z + 12 when z = 15.
We replace each occurrence of z with the number 15, and simplify using the usual rules: parentheses first, then exponents, multiplication and division, then addition and subtraction.
4 × z + 12 becomes
4 × 15 + 12 =
60 + 12 =
72
Example:
Evaluate the expression (1 + z) × 2 + 12 ÷ 3 - z when z = 4.
We replace each occurrence of z with the number 4, and simplify using the usual rules: parentheses first, then exponents, multiplication and division, then addition and subtraction.
(1 + z) × 2 + 12 ÷ 3 - z becomes
(1 + 4) × 2 + 12 ÷ 3 - 4 =
5 × 2 + 12 ÷ 3 - 4 =
10 + 4 - 4 =
10.

hope that help you

Jun 22, 2011 | LeapFrog Turbo Twist Math Cartridge 5th...

1 Answer

Negative exponents? .825/(10^(-3)) ? Not sure how to get it to do the negative exponent.


You entered it correctly. Although you can leave out the parentheses if you want. The calculator will do exponents before it does multiplication or division just like it does multiplication and division before it does addition and subtraction. It has a built in order for hierarchy of operations. You only need to use parentheses if you want to do something that is different from this order. FYI, dividing by a negative exponent is the same as multiplying by a positive exponent. You could enter it in either way. .825/10^-3 = .825*10^3 = 825. I hope this helps you out.

Dec 02, 2009 | Texas Instruments TI-30XA Calculator

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