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***admin*** · (This post was last modified: 03-16-2012 12:05 PM by admin.)

New versions adapted to Win 7:
Math Center Level 1 version 1.0.1.7
Math Center Level 2 version 1.0.1.7

***admin*** · 04-27-2012, 08:06 AM

New versions adapted to Win 7:
Derivative Calculator Level 1 version 1.0.0.8
Derivative Calculator Level 2 version 1.0.0.8

***admin*** · 04-28-2012, 03:59 AM

New versions adapted to Win 7:
Derivative Calculator Real 27 version 1.0.0.9
Derivative Calculator Real 36 version 1.0.0.7
Derivative Calculator Real 45 version 1.0.0.2

***admin*** · 05-04-2012, 07:58 AM

New versions adapted to Win 7:
Taylor Calculator Level 1 version 1.0.0.7
Taylor Calculator Level 2 version 1.0.0.6
Taylor Calculator Real 27 version 1.0.0.8
Taylor Calculator Real 36 version 1.0.0.6

**JussiBjorling** · (This post was last modified: 05-05-2012 02:50 AM by JussiBjorling.)

Math Center Level 2 gives me an error on Windows XP when I attempt to open the scientific calculator.

***admin*** · 05-07-2012, 03:11 AM

I have corrected the bug today. Thank you, JussiBjorling.

New version of Math Center Level 2 1.0.1.8 .

***admin*** · 05-07-2012, 03:23 AM

JussiBjorling, would you like to get a free license for any Tvalx program as a reward?

**JussiBjorling** · (This post was last modified: 05-09-2012 04:05 PM by JussiBjorling.)

Thank you for your more than generous offer, but I must respectfully decline. I was only trying to assist you with improving your very useful calculator programs. I am a large fan of mathematics and I am always doing my own private research in my free time. I am also constantly searching for new powerful calculator programs to aide me with complex calculations. I have informed many of my friends about your programs and have hopefully helped you procure new customers. When my bank account becomes lush with income, I hope to purchase many of your calculator programs. Wink

***admin*** · 05-09-2012, 11:33 PM

Thank you again for fruitful participation in forum.

**JussiBjorling** · 05-12-2012, 03:15 PM

I just found another small bug in math center 2. Under the Graphing Calculator 2D Numeric module, the "navigate left window" buttons do not all function. Only the up(U), down(D), and center© are working. The rest do not do anything. It seems you have simply forgotten to associate the other buttons with the correct code.