Enrhifo
42.4421
Ffactor
\frac{31 \cdot 13691}{2 ^ {4} \cdot 5 ^ {4}} = 42\frac{4421}{10000} = 42.4421
Rhannu
Copïo i clipfwrdd
13.0321+2.9^{2}+2\times 9+3
Cyfrifo 1.9 i bŵer 4 a chael 13.0321.
13.0321+8.41+2\times 9+3
Cyfrifo 2.9 i bŵer 2 a chael 8.41.
21.4421+2\times 9+3
Adio 13.0321 a 8.41 i gael 21.4421.
21.4421+18+3
Lluosi 2 a 9 i gael 18.
39.4421+3
Adio 21.4421 a 18 i gael 39.4421.
42.4421
Adio 39.4421 a 3 i gael 42.4421.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\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]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}