DTP Multicalc calculates picas, points, inches, cms/mms and fractional inches. Activate the field by clicking the field or if the fields are empty, you can activate the field also by clicking the field name.
You can add, subtract, multiply or divide in any field
you like. Picas are converted into points before any calculation.
You can copy the result from the field to the clipboard by clicking the
field name.
You can use DTP Multicalc as a freeware as long as you like. However, if you like to print or save the tape, you have to register.
English, French and Finnish localizations.

DTP Multicalc X 1.3.1
Intel processor, MacOS X 10.6–
Download Mac OS X Intel version
DTP Multicalc X 1.3
MacOS X 10.3.9–
DTP Multicalc 1.1.1
MacOS 8.5–9.22
Purchase
Freeware or Shareware $7