Evaluate
432.4
Factor
\frac{2 \cdot 23 \cdot 47}{5} = 432\frac{2}{5} = 432.4
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238\times 0.5+76.4+53+48+80+56
Add 77 and 161 to get 238.
119+76.4+53+48+80+56
Multiply 238 and 0.5 to get 119.
195.4+53+48+80+56
Add 119 and 76.4 to get 195.4.
248.4+48+80+56
Add 195.4 and 53 to get 248.4.
296.4+80+56
Add 248.4 and 48 to get 296.4.
376.4+56
Add 296.4 and 80 to get 376.4.
432.4
Add 376.4 and 56 to get 432.4.
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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}