TI 30X IIS Calculator Skills
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Transcript of TI 30X IIS Calculator Skills
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Calculator Skills 1Spring 2006
TI 30X IIS Calculator Skills
Objective: To learn how to use the calculator for arithmetic operations
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Calculator Skills 2Spring 2006
FLO SCI ENG
Set the mode of the calculator to Float.
Select the yellow 2nd key 1st row 1st column then SCI/ENG key 1st row, 2nd column.Move the arrow keys to select FLO, then press ENTER, 9th row, 5th column.
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Calculator Skills 3Spring 2006
3 – 54 + 5 – 46.
To evaluate, use the binary addition and subtraction keys- key, 7th row, 5th column + key, 8th row, 5th column .
Evaluate an addition expression.
is keyed in as 3, -, 54, +, 5, ENTER
3 - 54 + 5
3 - 54 + 5
- 46
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Calculator Skills 4Spring 2006
To evaluate, use the binary multiplication keyx key, 6th row, 5th column.
Evaluate a multiplication expression.
is keyed in as 17, x, 23, ENTER
17 x 23
17 x 23
391
17 * 23 391.
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Calculator Skills 5Spring 2006
To evaluate, use the binary division key key, 5th row, 5th column.
Evaluate a division expression.
is keyed in as 78, , 4, ENTER
19.5
78 4
78 4
78 / 419.5
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Calculator Skills 6Spring 2006
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Calculator Skills 7Spring 2006
To evaluate, use the parenthesis keys( key, 5th row, 3rd column ) key, 5th row, 4th column .
Evaluate an arithmetic expression.
is keyed in as 13, (, 5, +, 7, ), ENTER
13 x (5 + 7)
156
13 x (5 + 7)
13 * (5+7) 156.
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Calculator Skills 8Spring 2006
To subtract signed numbers use the binary subtraction - key, 7th row, 5th column.
Evaluate an arithmetic expression.
is keyed in as 7, -, 5, ENTER
7 - 5
7 - 5
2
7 – 5 2.
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Calculator Skills 9Spring 2006
To add signed numbers use the opposite (-) key, 9th row, 4th column.
Evaluate an arithmetic expression.
is keyed in as (-), 2, +, 11, ENTER
9
- 2 + 11
- 2 + 11
– 2 + 11 9.
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Calculator Skills 10Spring 2006
To add signed numbers use the opposite (-) key, 9th row, 4th column, then binary subtraction - key, 7th row, 5th column.
Evaluate an arithmetic expression.
is keyed in as (-) , 20, -, 50, ENTER
-70
- 20 - 50
- 20 - 50
-20 – 50 - 70.
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Calculator Skills 11Spring 2006
Check BoxExpression Evaluation
80 – 100 =-60 + 90 =
-210 - 80 =60 - 50 =
97 - 155 =
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Calculator Skills 12Spring 2006
Check BoxExpression Evaluation
80 – 100 = -20-60 + 90 = 30
-210 - 80 = -29060 - 50 = 10
97 - 155 = -58
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Calculator Skills 13Spring 2006
7(8 – 10) -14.
is keyed in as 7, (, 8, -, 10, ), ENTER
-14
7(8 10)
Evaluate an arithmetic expression.
7(8 10)
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Calculator Skills 14Spring 2006
is keyed in as (, 6, (, (-), 3, ), +, 5, (, (-), 2, ), ), , (, 3, -, 10,), ENTER
4
Evaluate an arithmetic expression.
6( 3) (5)( 2)3 10
(6(-3)+5(-2))/(3-10) 4.
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Calculator Skills 15Spring 2006
To do percent use the 2nd key and % key, 1st row, 1st column.5th row, 3rd column.
Evaluate a percent expression.
20% of 380 is keyed in as 20, 2nd, %, 380, ENTER
PC Hardware is having a 20% off sale. What is the discount for a mower marked $380?
$76 discount
20%380 76.
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Calculator Skills 16Spring 2006
To raise a number to a power use the ^ key,
5th row, 1st column.
Evaluate an exponential expression.
34 is keyed in as 3, ^, 4, ENTER
81
43 3^4 81.
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Calculator Skills 17Spring 2006
To square a number use the x2 key,
6th row, 1st column.
Evaluate an exponential expression with an exponent of 2.
32 is keyed in as 3, x2, ENTER
9
23 3 2
9.
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Calculator Skills 18Spring 2006
To evaluate a negative expression use the (-) key,
9th row, 4th column.
Use of the calculator to evaluate an exponential expression.
-32 is keyed in as (-), 3, x2, ENTER
-9
23 -32
-9.
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Calculator Skills 19Spring 2006
To evaluate (-3)2 usethe ( key, and ) key
5th row, 3rd and 4th column.
Use of the calculator to evaluate an exponential expression.
(-3)2 is keyed in as (, (-), 3, ), x2, ENTER
9
2( 3) (-3)2
9.
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Calculator Skills 20Spring 2006
Check Box
Expression Evaluation
34 =32 =
-32 =(-3)2 =
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Calculator Skills 21Spring 2006
Check Box
Expression Evaluation
34 = 8132 = 9
-32 = -9(-3)2 = 9
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Calculator Skills 22Spring 2006
Check Box
Expression Evaluation
(-6)2 =(-8.2)4 =
70 =-62 =
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Calculator Skills 23Spring 2006
Check Box
Expression Evaluation
(-6)2 = 36(-8.2)4 = 4521.2176
70 = 1-62 = -36
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Calculator Skills 24Spring 2006
Check Box
Expression Evaluation
-8.24 =8.60 =
(-3.1)3 =-3.13 =
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Calculator Skills 25Spring 2006
Check Box
Expression Evaluation
-8.24 = -4521.21768.60 = 1
(-3.1)3 = -29.791-3.13 = -29.791
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Calculator Skills 26Spring 2006
To raise a number to a negative power use the ^ key, and (-) key
Use of the calculator to evaluate an exponential expression.
3-4 is keyed in as 3, ^, (-), 4, ENTER
.012345679
43 3 ^ – 4
0.012345679
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Calculator Skills 27Spring 2006
Use a Calculator
Expression Evaluation
8-2 =-6-4 =
(-6)-4 =.08-5 =
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Calculator Skills 28Spring 2006
Use a Calculator
Expression Evaluation
8-2 = .015625-6-4 = -.000771605
(-6)-4 = .000771605.08-5 = 305,175.7812
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Calculator Skills 29Spring 2006
Method 1: To multiply a number in scientific notation use the ^ key, 5th row, 1st column.
Use calculator to evaluate:
(6.3 x 108)(4.2 x 109) is keyed in as 6.3, x,10,^,8, x, 4.2, x, 10 ^ 9, Enter.
(6.3 x 108)(4.2 x 109)6.3*10^8*4.2*10^9 2.646x10 18
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Calculator Skills 30Spring 2006
Method 1: To multiply a number in scientific notation use the ^ key, 5th row, 1st column.
Use calculator to evaluate:
(6.3 x 108)(4.2 x 109) is keyed in as 6.3, x,10,^,8, x, 4.2, x, 10 ^ 9, Enter.
(6.3 x 108)(4.2 x 109)
The Calculator screen shows:6.3 * 10^8 * 4.2 * 10^9 2.646 x 1018
6.3*10^8*4.2*10^9 2.646x10 18
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Calculator Skills 31Spring 2006
Method 2: To multiply a number in scientific notation use the EE key, 5th row, 2nd column.
Use calculator to evaluate:
(6.3 x 108)(4.2 x 109) is keyed in as 6.3, EE, 8, x, 4.2, EE, 9, Enter.
(6.3 x 108)(4.2 x 109)
2nd key
6.3E8*4.2E9 2.646x10 18
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Calculator Skills 32Spring 2006
Method 2: To multiply a number in scientific notation use the EE key, 5th row, 2nd column.
Use calculator to evaluate:
(6.3 x 108)(4.2 x 109) is keyed in as 6.3, EE, 8, x, 4.2, EE, 9, Enter.
(6.3 x 108)(4.2 x 109)
2nd key
The Calculator screen shows:6.3E8 * 4.2E9 2.646 x 1018
6.3E8*4.2E9 2.646x10 18
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Calculator Skills 33Spring 2006
9. Use calculator to evaluate:
(8.6 x 1015)(3.4 x 1011)
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Calculator Skills 34Spring 2006
9. Use calculator to evaluate:
(8.6 x 1015)(3.4 x 1011)Method 1: To multiply a number in scientific notation use the ^ key, 5th row, 1st column.
8.6*10^15*3.4*10^11
2.924x10 27
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Calculator Skills 35Spring 2006
9. Use calculator to evaluate:
(8.6 x 1015)(3.4 x 1011)Method 1: To multiply a number in scientific notation use the ^ key, 5th row, 1st column.
(8.6 x 1015)(3.4 x 1011) is keyed in as 8.6, x,10,^,15, x, 3.4, x, 10 ^ 11, Enter.
8.6*10^15*3.4*10^11
2.924x10 27
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Calculator Skills 36Spring 2006
9. Use calculator to evaluate:
(8.6 x 1015)(3.4 x 1011)Method 1: To multiply a number in scientific notation use the ^ key, 5th row, 1st column.
(8.6 x 1015)(3.4 x 1011) is keyed in as 8.6, x,10,^,15, x, 3.4, x, 10 ^ 11, Enter.The Calculator screen shows:8.6 * 10^15 * 3.4 * 10^11 2.924 x 1027
8.6*10^15*3.4*10^11
2.924x10 27
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Calculator Skills 37Spring 2006
Method 2: To multiply a number in scientific notation use 2nd key the EE key, 5th row, 2nd column.
9. Use calculator to evaluate:
(8.6 x 1015)(3.4 x 1011) is keyed in as 8.6, EE, 15, x, 3.4, EE, 11, Enter.
(8.6 x 1015)(3.4 x 1011)8.6E15*3.4E11 2.924x10 27
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Calculator Skills 38Spring 2006
Method 2: To multiply a number in scientific notation use 2nd key the EE key, 5th row, 2nd column.
9. Use calculator to evaluate:
(8.6 x 1015)(3.4 x 1011) is keyed in as 8.6, EE, 15, x, 3.4, EE, 11, Enter.
(8.6 x 1015)(3.4 x 1011)
The Calculator screen shows:8.6E15 * 3.4E11
2.924 x 1027
8.6E15*3.4E11 2.924x10 27
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Calculator Skills 39Spring 2006
Use calculator to evaluate a square root.
56644
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Calculator Skills 40Spring 2006
To find the square root of a number, use 2nd key in row 1 column 2, key in row 6 column 1.
Use the calculator to evaluate a square root.
is keyed in as 2nd, , 56644, ENTER
56644
5664456644)(
238.
238