numbers and algebraic expressions
logic, sets, intervals
function and its properties
limits of sequences and functions
derivative and integral of functions
elements of statistics
Rearranging ifmulas. Solve the equation if the given variable. c = ab, a = ?, b = ?; W = UIt, U = ?, I = ?, t = ?; k = xy^2; x = ?, y = ? if y gt; 0; s = at^2 / 2; a = ?, t = ? if y gt; 0; d = y-x; x = ?, y = ?; x = x_0 - vt; x_0 = ?, v = ?, t = ?.