a + b
a - b
a * b
a / b
a ** b
sqrt(a)
ax + b = c x = (c - b) / a
Given ax^2 + bx + c = 0, then x = (-b +- sqrt(b^2-4ac)) / 2a
c = sqrt(a^2 + b^2)
sin(x)
cos(x)
tan(x)
asin(x)
acos(x)
atan(x)
f’(x) = lim(h->0) [(f(x+h) - f(x))/h]
∫f(x)dx = F(x) + C
lim(x->a) f(x) = L
mean(x1, x2, …, xn)
median(x1, x2, …, xn)
mode(x1, x2, …, xn)
stdev(x1, x2, …, xn)
variance(x1, x2, …, xn)