--- a/src/vars.s	Mon Oct 23 20:23:28 2023 -0600
+++ b/src/vars.s	Mon Oct 23 22:46:55 2023 -0600
@@ -39,14 +39,16 @@
 tok_kwnum       rmb 1                           ; the actual token number
 tok_kwmatchl    rmb 1                           ; the length of the best match during lookup
 tok_kwmatch     rmb 2                           ; the current best matched token number
-; General value accumulators used during expression evaluation
+; General value accumulators used during expression evaluation. These are in the same format used for storing
+; values in variables with the exception of having a type flag.
 val0            rmb val.size                    ; value accumulator 0 - current expression value
 val1            rmb val.size                    ; value accumulator 1 - usually left operand of binary operator
-; The fpa0 and fpa1 areas are used for scratch work during floating point operations. They are only used
-; by floating point operations. This saves a fair fiew clock cycles over simply working off the index register
-; pointers passed into the routines and it also allows for being able to leave the input operands for the
-; routines unmodified, or to overlap the input and output operands. These floating point accumulators can hold
-; the maximum precision floating point values used by the system.
+; The fpa0 and fpa1 areas are used for scratch work during floating point operations. They are only used by
+; floating point operations and operations related to floating point such as number conversion. This saves a fair
+; few clock cycles over simply working off the index register pointers passed into the routines and it also allows
+; for being able to leave the input operands for the routines unmodified, or to overlap the input and output
+; operands. These floating point accumulators can hold the maximum precision floating point values used by the
+; system.
 fpa0            rmb fpa.size                    ; floating point accumulator 1
 fpa1            rmb fpa.size                    ; floating point accumulator 1
 fpaextra        rmb 12                          ; "extra" bytes for calculations