My Calculator

Javascript. Using eval() function

Type an expression

Result:

Try:

123 + 654

Math.PI

a=5; b=7; a*b

The solution of the quadratic equation ax^2 + bx + c = 0 :
a=5;b=7;c=2; d=Math.sqrt(b*b-4*a*c); "x1="+ (-b+d)/2/a+" ; x2="+(-b-d)/2/a