Maths A Level- Scientific Calculator

If you know how to use a calculator , you reduce the time to answer questions , and you can check the answers.

Solving quadratics equations.

Go to menu, click A, click 2 Polynomial , enter 2 for quadratic equation, enter the relevant coefficients , press =, you get the result. For example,

x^2-4x +4 =0 will have one solution x=2

Solving system of 3 equations with 3 unknows, x,y,z

Go to menu, click A, click 1 system of equations, enter 3 , and enter all coefficients, press = . Result will appear on the screen.

Solving trigonometry equation.

Press Shift , enter 2 for angle unit, 2 and press 1 for degree. For example, Sin(30)=0.5

Press Shift, press x to calculate Auto sum (4x-1) for x=3 to 8 .

There is the Log function, derivative functions and others functions set up on the calculator .

Thank you for your interest . Anne