45

3456

2+4

34^234/34!

34!

9/6

9./6

N[9/6]

9.00000000000000000000000000000000000000000000/6

1.5

Length[IntegerDigits[34^234]]
Length[IntegerDigits[34!]]

34.^234/34!

359-39

34.^1234/34!

a

?a

?Factorial

a+a

3*x^2 - 3 x

Sin[3]

Sin[3.0]

Pi

N[Pi]

N[Pi,300]

N[Sin[3]]

Sin[3]//N

Sin[3] (* N *)

3//Sin//N

Sin[Pi]

Cos[2*Pi]

Sin[1/2]

Sin[1/2]//ArcSin

Sin[a]

N[Sin[a]]

1/a

N[Pi/3]
N@Pi/3
Pi/3//N

N[Pi]//Sin

N@Pi//Sin

Sin@Pi//N

Sin[Pi]

Sin[0]

Sin[0 N[Pi]]

Sin[]

Sin[a,b]

sin[Pi]

sin[]

sin[1,2,3]

{4,5,6,2,43,432423}

{4,5,6,2,43,,432423}

l={3,4,5,45.6, 6 I + 6,gg,g[h[j[7]]]}

I

Sqrt[-1]

I = 4

I

i

i=3

i

Pi

π

I

l

Length[l]

Apply[Plus,l]

Sum[1/i^2,{i,1,Infinity}]

l

l//FullForm

{1,2,3,4}

List[1,2,3,4]

List[{1,2,3,4}]//FullForm

?Apply

g[f[5]]//FullForm

Apply[h,g[f[5]]]

Apply[Times,{3,4,5,t,h,d,f}]

f@5

Plus@@l

Plus@{1,2,3,4,5}

Plus@@{1,2,3,4,5}

Plus[3]

?FullForm

?*Form

?Full*

4 5  a b a a

Exit[]