\(x^2\)
\(x^y\)
\(\sin\)
\(\cos\)
\(\tan\)
\(\sqrt{\phantom{x}}\)
\(10^x\)
\(\lg\)
\(\exp\)
\(\mathrm{mod}\)
\(\uparrow\)
\(\text{CE}\)
\(\text{C}\)
⌫
\(\div\)
\(\pi\)
\(7\)
\(8\)
\(9\)
\(\times\)
\(n!\)
\(4\)
\(5\)
\(6\)
\(-\)
\(\pm\)
\(1\)
\(2\)
\(3\)
\(+\)
\((\)
\()\)
\(0\)
\(.\)
\(=\)