Have you used Microsoft Office? It can't interoperate with its own older versions,...
It can't even interoperate with newer versions. I teach math, and have Word 2008 for Mac OS. Students who hand in assignments edited in Word 2007 for Windows is unreadable, since math from Equation Editor is incompatible between versions.
Both versions of MS Office saves in the "standardized" docx format.
My math professors mostly use their own books in the courses, and we are told to buy those.
But then again, the most recent version is usually found at www.math.ku.dk/noter. That's textbooks enough for the first 3 years in college studying math, before it gets too specialized.
All books are in danish, though, so maybe not so interesting for everyone.
you make a fine case for going with renewable energy sources like wind turbines, solar power, wave energy and the like. I can only suppport that.
However, you got one thing wrong with fossil fuels. They don't contain radioactive carbon-14 (C-14). C-14 is steadily produced in the the upper parts of the athmosphere by cosmic radiation bombarding nitrogen atoms. C-14 has a half life of ~5730 years, and any C-14 in the original organic material that formed oil and coal millions of years ago is long gone. That's how you make C-14 dating. The less C-14 in a sample, the older it is.
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Have you used Microsoft Office? It can't interoperate with its own older versions, ...
It can't even interoperate with newer versions. I teach math, and have Word 2008 for Mac OS. Students who hand in assignments edited in Word 2007 for Windows is unreadable, since math from Equation Editor is incompatible between versions. Both versions of MS Office saves in the "standardized" docx format.
My math professors mostly use their own books in the courses, and we are told to buy those. But then again, the most recent version is usually found at www.math.ku.dk/noter. That's textbooks enough for the first 3 years in college studying math, before it gets too specialized. All books are in danish, though, so maybe not so interesting for everyone.
Actually, this must be conclusive evidence that general relativity is completely wrong: Einstein: Why Socialism"
you make a fine case for going with renewable energy sources like wind turbines, solar power, wave energy and the like. I can only suppport that.
However, you got one thing wrong with fossil fuels. They don't contain radioactive carbon-14 (C-14). C-14 is steadily produced in the the upper parts of the athmosphere by cosmic radiation bombarding nitrogen atoms. C-14 has a half life of ~5730 years, and any C-14 in the original organic material that formed oil and coal millions of years ago is long gone. That's how you make C-14 dating. The less C-14 in a sample, the older it is.
Christiania's Bicycle Shop
Don't know if they will accept mail order, though.