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Published byMackenzie Rhodes Modified over 3 years ago

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Created by: Cathy Craft and Kari Egnot Menchville High School

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Try darkening(2nd ) the screen first, before replacing the batteries. the screen first, before replacing the batteries.

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Press clear.

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If you take the square root of a negative number- you get an imaginary number not a real number.

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The decimal will not convert to a fraction-use your place value rules to determine your denominator.

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You must check the mode that the calculator is in. Your calculator needs to be stage left. Normal should be highlighted instead of scientific.

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Change window or zoom out.

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Any exponent can be written by ^ and the power. Your calculator can only do 2 without using ^.

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A minus sign is an operation and a negative sign is a direction. The calculator KNOWS the difference, do you?

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If you are trying to square a number be sure you put parentheses in- your calculator knows its Order of Operations and will do the exponent before the multiplication!

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Check your left and right boundaries- be sure you have gone left enough and right enough around the point in which you are looking at! Face your triangles toward each other!

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You have asked the calculator to identify a point that does not exist---- NO SOLUTION!

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1. Check your Lists to be sure Number of data points match 2. Be sure that the data is being pulled from the right lists

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Check matrix dimensions when doing certain operations: addition and subtraction- dimensions must MATCH multiplication- interior dimensions must match

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Be sure PLOTS are off when graphing lines Highlight and hit enter to cut on and off!

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Imaginary Numbers and Negative Square Roots. The imaginary number i is the square root of -1: Example: Evaluate (3 i) 2 Imaginary Numbers.

Imaginary Numbers and Negative Square Roots. The imaginary number i is the square root of -1: Example: Evaluate (3 i) 2 Imaginary Numbers.

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