Enlarge / Graphing a parabola on the TI-83 Plus calculator emulation. (credit: Texas Instruments, MAME Tea/mInternet Archive)
Due to its price, size, and capabilities, I can still remember the graphing calculator I used in high school, even though I haven't needed to graph a parabola in ages. The Internet Archive just made it easier to relive those days by launching a series of online calculator emulations that you can click.
Announced Sunday, The Calculator Drawer includes 14 calculators. Most are from Texas Instruments, including my old TI-83 Plus and the handheld console-looking Texas Instruments TI92 from 1995. But there are also some options from HP. The oldest calculator is 1989's VTech Electronic Number Muncher toy.
In addition to supporting keyboard input, the calculators let you click the on-screen buttons for input, which makes for an even more realistic experience if you're using the emulation on a touchscreen. Some of the calculators even have power buttons and sound effects.
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