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1994-09-06
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DQua (De-Quaderate) v1.2 documentation - OS2+
=============================================
Introduction
============
DQua is a simple utility for obtaining the roots of quadratic equations
Any comments, suggestions or cash are always welcome at the following address
Lee Kindness
8 Craigmarn Road
Portlethen Village
Aberdeen AB1 4QR
SCOTLAND
If you find DQua useful then let me know. Any gifts, cash and even bug
reports are greatly appreciated ¿-) If you want the current version of
DQua (and a wad more progs) then send £3 (or equivalent of £5 plus
[money or gifts]) to me.
DQUA REQUIRES KICKSTART 2 (V36) OR GREATER
Usage
=====
DQua is started by double-clicking its icon or typing DQua at the
Shell prompt.
All input to DQua is through the use of 3 string gadgets: a, b, and c.
Each gadget represents a value related to the general quadratic form:
ax + bx + c = 0
All input to DQua must be in this form. So for example to solve the
following equation, brackets must be multiplied out and the result rearranged.
(t+1) + 2t = 8t
=> (t+1)*(t+1) + 2t = 8t
multiply out brackets => t + 2t + 1 + 2t = 8t
rearrange => t - 4t + 1 = 0
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/ | \
/ | \
a = 1 b = -4 c = 1
Simply enter the values and hit the 'solve' gadget to solve.
History
=======
DQua is written in HighSpeed Pascal on an Amiga A1200 120MBHD.
1.00 : 05.02.94
- initial release (also on AUI August coverdisk)
1.1 : 22.07.94
- Improved documentation.
- Future:
NONE, the only changes to DQua will be bug fixes (if any), I
will not continue to work on DQua as I dont use it...
1.2 : 06.09.94
- Removed Enforcer hits.
--EOF __\\//