HP’s 39gs graphing calculator is a top choice for use in classrooms and laboratories. The 131x64 pixel display has a split screen mode so you can see the graph and its related equation. Over 600 functions are built in and available at the touch of a button.
The 256KB of RAM lets you manipulate large data sets. Any future upgrades can be installed through the USB port.
Pros: Thank you
Cons: Thnak you
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great highschool/college professional calculator
Pros: 1) Simple and quite fast equation operating system (not with HP RPN, but not bad for the money since they are now on sale for $63.99 compared with $59.99 for the new HP 35s for example which is a great machine, but which is totally outclassed by this much more versatile unit which is now about one year in production having evolved through 3-4 flavors from the HP 38 of about a decade ago).
Cons: 1) The batteries only last 50-60 hours according to other reports. I can't confirm this fact as of yet, but it uses 4 AAA batteries as well as a Lithium backup battery to be used as a backup while changing the main batteries.
Other Thoughts: One great computing device!
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