Expression 20: "x" squared plus "y" squared equals "c" squared Has graph. To audio trace, press ALT+T.x2+y2=c2
20
Expression 21: "c" equals negative 3.2 5c=−3.25
negative 10−10
1010
21
Computations
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22
Expression 23: StartFraction, 2 Over 55 , EndFraction plus 17 times 4 minus 3 to the 5th power plus 2 "g" left parenthesis, 2 , right parenthesis equals negative 168.9 6 3 6 3 6 3 6 4255+17·4−35+2g2
equals=
negative 168.9 6 3 6 3 6 3 6 4−168.963636364
23
Expression 24: "g" prime left parenthesis, 2 , right parenthesis plus Start integral from 0 to 0.5, end integral, "f" Subscript, 3 , Baseline left parenthesis, "x" , right parenthesis "d" "x" equals 1.8 6 3 3 1 1 7 0 2 4 4g′2+∫0.50f3xdx
equals=
1.8 6 3 3 1 1 7 0 2 4 41.86331170244
24
Expression 25: gcd left parenthesis, 53 , 53 , right parenthesis plus lcm left parenthesis, 57 , 5 , right parenthesisgcd53,53+lcm57,5
equals=
338338
25
Expression 26: 2mod left parenthesis, 63 , 5 , right parenthesis2mod63,5
equals=
66
26
Expression 27: StartFraction, 3 ! nPr left parenthesis, 5 , 3 , right parenthesis Over nCr left parenthesis, 50 , 3 , right parenthesis , EndFraction3!nPr5,3nCr50,3
equals=
0.0 1 8 3 6 7 3 4 6 9 3 8 80.0183673469388
27
Expression 28: signum left parenthesis, round left parenthesis, 509.5 5 5 , right parenthesis , right parenthesissignround509.555
equals=
11
28
Expression 29: Start sum from "n" equals 1 to 10, end sum, 2 "n" minus 3 plus Start product from "n" equals 2 to 5, end product, StartFraction, "n" squared Over 3 , EndFraction10∑n=12n−3+5∏n=2n23
equals=
284.7 7 7 7 7 7 7 7 8284.777777778
29
Tables
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30
"x" Subscript, 1 , Baselinex1
2 "x" Subscript, 1 , Baseline plus 32x1+3
3 "x" Subscript, 1 , Baseline3x1
22
computed cell: 77
computed cell: 66
44
computed cell: 1111
computed cell: 1212
66
computed cell: 1515
computed cell: 1818
88
computed cell: 1919
computed cell: 2424
1010
computed cell: 2323
computed cell: 3030
computed cell:
computed cell:
31
"x" Subscript, 4 , Baselinex4
"y" Subscript, 4 , Baseline Has graph. To audio trace, press ALT+T.y4
2.52.5
4.64.6
5.65.6
5.7 65.76
6.76.7
1.61.6
6.76.7
4.64.6
32
Expression 33: "y" Subscript, 4 , Baseline tilde "a" "x" squared plus "b" "x" Subscript, 4 , Baseline plus "b"y4~ax24+bx4+b
33
Statistics
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34
Expression 35: mean left parenthesis, "a" , right parenthesis plus median left parenthesis, "b" , right parenthesismeana+medianb
equals=
7.57.5
35
Expression 36: standard deviation left parenthesis, "a" , right parenthesis minus variance left parenthesis, "b" , right parenthesisstdeva−varb
equals=
negative 5.3 7 5 6 7 2 2 1 7 9 3−5.37567221793
36
Expression 37: total left parenthesis, "a" , right parenthesis plus quantile left parenthesis, "b" , 1 , right parenthesistotala+quantileb,1
equals=
1818
37
Expression 38: co variance left parenthesis, "a" , "b" , right parenthesis times correlation left parenthesis, "b" , "a" , right parenthesiscova,b·corrb,a