FX 2.45 build 13

FX 2.45 build 13 is the ninth build for C.Basic FX 2.45, released on March 10, 2020.

Additions

 * Added the function of Store/Recall/ SEE of function memory(Fn).          (*  For the editor the clipboard are stored to fn. For single line input, the entire line is stored.)

Changes

 * Changed the specification of Function memory(Fn) and graph memory(Y) that are evaluated as formula evaluation by default,          and are evaluated as strings when as an argument of the string function or following strings.         (formula evaluation)            Fn1->A            Fn1(123)->A            Locate 1,1,fn1            Text 1,1,fn1(123)          (string evaluation)            fn2->Str 2            "123"+fn1->Str 1            Locate "123"+fn1            StrJoin(fn1,Str 1)
 * Changed F_Start / F_End / F_pitch to independent variables.

Fixes

 * Fixed the bug in copying from different types of strings variable.         (Example not copied to fn3)           ClrMat            "123"->fn1            "ABC"->Str 1            Str 1->fn3
 * Fixed the ? command bug that decode to ASCII code when strings is displayed.