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Question 1: What is 2+3?2 + 3?

f(2,3)
1 
print preparse("""
def g(n,m):
    print factor(n^m)
""")
def g(n,m): print factor(n**m) 
preparse('2/3')
'Integer(2)/Integer(3)' 
Integer = float
2/3
0.6666666666666666 
Integer = Integers(7)

2 + 8
3 
%python3
2/3
0.6666666666666666
g(2,3)
2^3 


prime_pi(10^6)
78498 
n = ZZ.random_element(10^10000000)

%time k = n*n
CPU time: 0.14 s, Wall time: 0.14 s 
len(str(k))
2000000 
plot(x * sin(x), (x, -2, 10))

%r

v <- c(4,5,8,9,1)

%r
sd(v)
3.20936130717624
%r
plot(v)