Forum Discussion
Microsoft's Copilot: A Frustrating Flop in AI-Powered Productivity
I hope someone from Microsoft is monitoring this forum. The frustration level with Copilot has reached a level of pure frustration. Here is a simple example: Query: S aver has an account with a balance of $1,000. The account earns 8% annually. Using a dollar cost averaging monthly contribution of 1,000 for eight years, what will be the resulting account value. The result Copilot presented was a balance in excess of 1 billion dollars. When challenged it took 20 minutes to convince Copilot that it had made major computational error. I have run into similar problems with basic accounting and arithmetic problems. To say the least this product move ahead of Clippy, Bob, Windows Vista, Zune………. In flops that Microsoft seems to be unable to avoid. In the words of the old Honeywell television. “Maybe Someday”
Short answer: About $135,700.
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📌 Your future value with monthly DCA
You start with $1,000, earn 8% annually, and contribute $1,000 every month for 8 years.
Assuming monthly compounding, the math works like this:
- Monthly interest rate:
\[
r = \frac{0.08}{12} = 0.0066667
\]
- Number of months:
\[
n = 8 \times 12 = 96
\]
- Growth factor:
\[
(1+r)^n \approx 1.892
\]
Future value of initial $1,000
\[
1000 \times 1.892 \approx 1,892
\]
Future value of monthly $1,000 contributions
\[
1000 \times \frac{(1.892 - 1)}{0.0066667}
\approx 1000 \times 133.8
\approx 133,800
\]
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✅ Total estimated account value
\[
1,892 + 133,800 \approx \mathbf{135,692}
\]
Rounded: ≈ \$135,700
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If you want, I can also compute:
- With quarterly or annual compounding
- With different contribution amounts
- With increasing contributions (e.g., 3% per year)
- A full amortization-style table month by month
First try. It's not that it can't. It just depends on too many factors to be consistent. I've experienced the same issue with all of the bots. There really is no rhyme or reason for why it works and doesn't