Recent content by SA Penguin

Twisting The Topic a bit... Thank you for your kind words. These operations areindeed different- that's why they have different keys. +/- vs. -. Without that key, the act of creating a -ve number is harder. If (-2) = (-1)(2) then how do you enter (-1)? The RPN would be: 0 ENTER 1 - *...

At the risk of incurring the wrath of everyone, may I point out how this up how RPN is different? IF you think the minus is part of the number (-2) you solve with: 2 +/- ENTER 4 y^x ...and get 16 BUT- if you decide the - is an operation, and to be done last, you enter: 2 ENTER 4 y^x...