Survey1 wrote:Thank you I will try that.there is a couple of more I have questions about......Lines: 006,007,014,016,038,089109,111....I am pretty sure lines 016,038 and 111 is just using alpha button. Just want to b sure thx in advance. P.s. at end I input shift goto.. Right.

Line 006 R^ : XEQ Alpha R Shift Enter Alpha

Line 007 ST* Z : STO x . Z (STO multiply)

Line 014 ST+ X : STO + . X (STO plus)

Line 016 ACOS : Shift COS

Line 038 ASIN : Shift SIN

Line 089 ST* 02 : STO x 02

Line 109 ST+ X : STO + . X

Line 111 SQRT : it's the square root key, directly on the keyboard.

Survey1 wrote:Dlachieze, AT line 43 it is number 1 then I try to input white chs.... It changes sign to -......should I alpha the chs????

Yes, entering 1 CHS gives -1. To have two separated instructions you can do: 1 ENTER then delete ENTER and press CHS.