Created by:Created by:

Cathy Craft and Kari EgnotCathy Craft and Kari Egnot

Menchville High SchoolMenchville High School

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

Press clear. Press clear.

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

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

You must check the You must check the mode that the calculator is in.mode that the calculator is in.

Your calculator needs to beYour calculator needs to bestage left. Normal should stage left. Normal should be highlighted instead of be highlighted instead of scientific.scientific.

Change window or zoom out.Change window or zoom out.

Any exponent can be written by ^ and the power. Any exponent can be written by ^ and the power. Your calculator can only do Your calculator can only do 22 without using ^. without using ^.

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

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

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

Face your Face your triangles toward triangles toward each other!each other!

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

1. Check your Lists 1. Check your Lists to be sure Number to be sure Number of data points matchof data points match

2. Be sure that the 2. Be sure that the data is being pulled data is being pulled from the right listsfrom the right lists

Check matrix dimensions when doing certain Check matrix dimensions when doing certain operations:operations:

addition and subtraction- dimensions must MATCHaddition and subtraction- dimensions must MATCH

multiplication- interior dimensions must matchmultiplication- interior dimensions must match

Be sure PLOTS are off when graphing linesBe sure PLOTS are off when graphing lines

Highlight and hit Highlight and hit enter to cut on enter to cut on and off!and off!