A PHP library for solving simple equations with variables without using eval(). It both converts equations from text (infix) format to RPN (postfix) format and solves RPN formatted equations, ...
This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...
The questions in this quiz are suitable for GCSE maths students studying equations and identities, number machines, solving equations, solving equations with brackets, solving equations with unknowns ...