function helloworld() {
alert("Hello World");
}mathscribe:
$(\table \cos θ, – \sin θ; \sin θ, \cos θ)$ gives a rotation by $θ$.
If $ax^2+bx+c=0$ with $a≠0$, then: $$x={-b±√{b^2-4ac}}/{2a}$$
function helloworld() {
alert("Hello World");
}mathscribe:
$(\table \cos θ, – \sin θ; \sin θ, \cos θ)$ gives a rotation by $θ$.
If $ax^2+bx+c=0$ with $a≠0$, then: $$x={-b±√{b^2-4ac}}/{2a}$$