PTC Mathcad defaults to considering the first character in a string as 0, similar to the default value for the built-in variable ORIGIN. Clicking this control will consider the first character to be the value of ORIGIN. If you changed the default value of the built-in variable ORIGIN from 0 to 1, you can select this control and PTC Mathcad will consider the first character in the string to be 1 instead of 0. If this control is turned off, the integer associated with the first character in a string will be 0. Recommendation: Change the PTC Mathcad default and turn this control on.
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