Best Calculators for Expression

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Wize has searched all the product sites to find the best and worst products. We have read 8,038 Calculator reviews from 26 sites.

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$185.00 Est. at Amazon

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the cas features of high end calculators: ti 89, casio fx 2.0 to solve real algebra problems in my work as a software engineer, but was always frustrated by the difficulty of inputting expressions.
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i can enter expressions in 2d textbook form, and i can drag-and-drop math, geometry, or graphs from anywhere to anywhere.
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i have found even very advanced expressions are catered for in the softkeyboard.
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i have tried to use the cas features of high end calculators: ti 89, casio fx 2.0 to solve real algebra problems in my work as a software engineer, but was always frustrated by the difficulty of

$26.00 Est. at Amazon

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the casio's fx-115es has a "solve" function, in which an equation (not just an expression, but a full equation) can be entered, and then any variable solved for.
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h) frequently used expressions that you are free to create are quickly and easily stored on the special keys f1-f4 for repeating computations.

$16.00 Est. at Amazon

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the "2-line natural textbook display" prevents me from getting lost in a calculation with multiple parenthetically nested expressions and is a must have.
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3) the algebraic/textbook entry becomes cumbersome for doing long repeated calculations -- also, there's no way to store an expression/formula/equation for use after (auto) power-off.
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usually, an entire complicated expression fits on a screen.

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