where is INV on the calculator?
we have to do this maths question and we can't find it on any calculator, online or just normal scientific!
It is sometimes called 2nd that is what it is on the site calc. Sometimes it is called 'shift'
It is almost always in the top left corner.
what does it mean? I may be abel to help
It means inverse, and performs the opposite of the given operation. For example, if you want inverse of tangent, you will use that inv button
