## Two Equals

Computer programming has two distinct meanings of "equal", often with two
different codings:

- Replace, as in x=x+1
- In Excel, this is the "=" as the first character in a cell.
- In Matlab, this is the "="

- Is the same as
- In Excel, this is the "=" in an expression to be boolean, such as an
if statement
- In Matlab, this is the "=="

last revision 1/17/15