Given any cubic or quartic equation with real coefficients, it can be transformed by a change of variable into a standard form, and thus solved by means of a double-sided scale (Fig. 1) in the ...

Equations of curves - Intermediate & Higher tier – WJEC Solving quadratic equations graphically - Higher Quadratic, cubic and exponential graphs are three different types of curved graphs.

Airy beams have so far been generated by linear diffractive elements. Now, scientists show that they can also be created by a nonlinear process, opening the door to all-optical beam control and ...