Enrhifo
731.8
Rhannu
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7.1\left(100+\sqrt{9}\right)+\sin(30)
Cyfrifo 10 i bŵer 2 a chael 100.
7.1\left(100+3\right)+\sin(30)
Cyfrifo ail isradd 9 a chael 3.
7.1\times 103+\sin(30)
Adio 100 a 3 i gael 103.
731.3+\sin(30)
Lluosi 7.1 a 103 i gael 731.3.
731.3+\frac{1}{2}
Cael gwerth \sin(30) o’r tabl gwerthoedd trigonometrig.
\frac{3659}{5}
Adio 731.3 a \frac{1}{2} i gael \frac{3659}{5}.
Enghreifftiau
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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}