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2. Graphing calculator - Wikipedia

   en.wikipedia.org/wiki/Graphing_calculator

   An early graphing calculator was designed in 1921 by electrical engineer Edith Clarke. [1] [2] [3] The calculator was used to solve problems with electrical power line transmission. [4] Casio produced the first commercially available graphing calculator in 1985.

3. Casio graphic calculators - Wikipedia

   en.wikipedia.org/wiki/Casio_graphic_calculators

   The Algebra FX 2.0 versions have symbolic algebra, while the FX 1.0 versions lack this. There are community written tools for accessing the ROM-DOS operating system thus allowing C and Pascal compilers to be used. Models: Algebra FX 2.0, FX 1.0, Algebra FX 2.0 Plus, FX 1.0 Plus (French versions: Graph 100, Graph 100+)

4. Comparison of Texas Instruments graphing calculators

   en.wikipedia.org/wiki/Comparison_of_Texas...

   6.4 × 3.0 × 0.9 [4] No 1995 Unknown Allowed Allowed TI-81: Zilog Z80 @ 2 MHz 8 KB of RAM (2.4 KB user accessible) 96×64 pixels 16×8 characters 6.75 x 3.125 x 1.0: No 1990 110 Allowed Allowed TI-82: Zilog Z80 @ 6 MHz 28 KB of RAM 96×64 pixels 16×8 characters 6.9 × 3.4 × 1.0 [4] No 1993 125 Allowed Allowed TI-83: Zilog Z80 @ 6 MHz 32 KB ...

5. The Best Graphing Calculators to Plot, Predict and Solve ...

   www.aol.com/best-graphing-calculators-plot...

   These calculators haven’t changed much since they were introduced three decades ago, but neither has math. The Best Graphing Calculators to Plot, Predict and Solve Complicated Problems Skip to ...

6. TI-Nspire series - Wikipedia

   en.wikipedia.org/wiki/TI-Nspire_series

   They have a thinner design, with a thickness of 1.57 cm (almost half of the TI-89), a 1,200 mA·h (1,060 mAh before 2013) rechargeable battery (wall adapter is included in the American retail package), a 320 by 240 pixel full color backlit display (3.2" diagonal), and OS 3.0 which includes features such as 3D graphing.

7. Comparison of HP graphing calculators - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_HP_graphing...

   3×1.5 V (4.5 V) AAA, 1×3 V CR2032: 2003–2006 HP 39G: HP 39gs: HP 40G (F1907A) 4 MHz Yorke (Saturn 1LT8 core) 256 KB RAM, not flashable 131×64 pixel monochrome LCD Algebraic: Dynamic: HP Basic: Erable-based 8-bit RPL character set (with −1 [12] and euro sign) Buzzer 2×5-pin RS-232: 3×1.5 V (4.5 V) AAA: 2000–2003 HP 38G: HP 40gs: HP ...

8. TI-89 series - Wikipedia

   en.wikipedia.org/wiki/TI-89_series

   The calculator can evaluate and simplify algebraic expressions symbolically. For example, entering x^2-4x+4 returns +. The answer is "prettyprinted" by default; that is, displayed as it would be written by hand (e.g. the aforementioned + rather than x^2-4x+4). The TI-89's abilities include:

9. TI-73 series - Wikipedia

   en.wikipedia.org/wiki/TI-73_series

   183 mm × 81 mm × 20 mm (7.2 in × 3.2 in × 0.80 in) The TI 73 series is a series of graphing calculators made by Texas Instruments , all of which have identical hardware. The original TI-73 graphing calculator was originally designed in 1998 as a replacement for the TI-80 for use at a middle school level (grades 6-8).