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 Solve a numerical expression Write a rational numerical expression (see below for sintactic rules) in the textbox and press the PROCESS button. You will see all the individual steps done to resolve it. Remember that in practice you can perform multiple steps at once, depending on your skill. Contact me if you have particular requirements unfulfilled by my solver. If you notice errors, let me know by a contact message.
 (1/3 - 1/2)^2

 Operation Operator Example Writing Notes sum + 2 + 3 2+3 subtraction - 5 1 5-1 multiplication * 4 x 4*x Multiplication operator must be always written, although it is not displayed. multiplication #* 4 5 4#*5 To display the multiplication operator as a dot. Note that in the normal calculus software it is always used * to denote multiplication. division : 8 4 8:4 in the same line division / 8 4 8/4 in the fractions division fraction(,) 5 + 3 3 + 1 fraction(5+3,3+1) To use with two expressions division. Between bracket you write the numerator, then the denominator, divided by a comma: fraction(numerator,denominator) power ^ 2 3 2^3 round brackets () 2 + 3 (2+3) square brackets [] 2 + 3 + 5 [(2+3)+5] curly brackets {} 1 + 2 + 3 + 4 {1+[2+(3+4)]} equal = x 2 3 x + 1 = x 2 + x 2 x^2-3*x+1 = -x^2+x-2 plus/minus #+- 2 #+- 2 infinity #oo #+- #oo uppercase delta #Delta uppercase sigma #Sigma lowercase sigma #sigma dots ... #... square root sqrt() 3 sqrt(3) absolute value absolute() x 2 1 absolute(x^2-1) summation summation() x i M 2 summation((x_i-M)^2)