Info: 'This DA, by SoftShell Co., may be given away but not sold or modified. Call 716-334-7150 or write PO Box 632, Henrietta, NY, U.S.A. for suggestions, bugs, compliments, or a free demo version of ChemIntosh DA for drawing chemical structures.'
2:
Bounds: x1=0, y1=74, x2=420, y2=139
Type: -120
Info: 'Enter the formula, without spaces, in the text edit window at the top of the screen. Parentheses are allowed. Next click calculate, or press the ╥enter╙ or ╥return╙ keys, to get the molecular mass displayed below the formula.'
3:
Bounds: x1=0, y1=150, x2=419, y2=214
Type: -120
Info: 'The radio buttons on the left provide a choice between the molecular mass and the exact mass used in mass spectro- scopy. It calculates mass (weight) percent and converts lower to upper case as a last resort by checking the boxes.'