+444 You are proably asking for the square root of 2.5 well this is a form of mental gymnastic's which can be done by a calculator these are like multiplication tables you have meorize them to complete them with out a calculator where you round them is your choice but the answer 1.58113883
Which is rounded to the hundreth milloth. value.
+37146 Using the calculator on this website
Using the syntax you have written:
sqrt(3.7)-1.2 = 0.7235384061671345
But MAYBE you MEANT:
sqrt(3.7-1.2) = 1.5811388300841897
