Evaluate
128
Factor
2^{7}
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12+8+8+4+5+8+4+6+8+8+8+8+8+5+8+2+4+8+6
Add 4 and 8 to get 12.
20+8+4+5+8+4+6+8+8+8+8+8+5+8+2+4+8+6
Add 12 and 8 to get 20.
28+4+5+8+4+6+8+8+8+8+8+5+8+2+4+8+6
Add 20 and 8 to get 28.
32+5+8+4+6+8+8+8+8+8+5+8+2+4+8+6
Add 28 and 4 to get 32.
37+8+4+6+8+8+8+8+8+5+8+2+4+8+6
Add 32 and 5 to get 37.
45+4+6+8+8+8+8+8+5+8+2+4+8+6
Add 37 and 8 to get 45.
49+6+8+8+8+8+8+5+8+2+4+8+6
Add 45 and 4 to get 49.
55+8+8+8+8+8+5+8+2+4+8+6
Add 49 and 6 to get 55.
63+8+8+8+8+5+8+2+4+8+6
Add 55 and 8 to get 63.
71+8+8+8+5+8+2+4+8+6
Add 63 and 8 to get 71.
79+8+8+5+8+2+4+8+6
Add 71 and 8 to get 79.
87+8+5+8+2+4+8+6
Add 79 and 8 to get 87.
95+5+8+2+4+8+6
Add 87 and 8 to get 95.
100+8+2+4+8+6
Add 95 and 5 to get 100.
108+2+4+8+6
Add 100 and 8 to get 108.
110+4+8+6
Add 108 and 2 to get 110.
114+8+6
Add 110 and 4 to get 114.
122+6
Add 114 and 8 to get 122.
128
Add 122 and 6 to get 128.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}