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Calculate!



Here's QCALC.PM, a "quick 'n' dirty" calculator program for Xy4 and XyWin.
Consisting of fewer than 500 bytes of code, it lets you evaluate arithmetic
expressions (+, -, *, /), add or subtract lists of numbers, do "chained"
calculations -- all the basics with no bells and whistles. Well one whistle --
an editable, printable "tape" that appears in the current file or an UNTITLED
screen.

*Enclosed File: qcalc.pm