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Texas Instruments TI-84 Plus Calculator - Page 4 Questions & Answers
How do you find the slope of an equation?
If your equation can be written in the form of a function (y=f(x)),
the slope of the function at a point is the derivative of the function at the point. For any function that is not a constant or linear, you need calculus to find the slope.
If the function is of the form y= ax +b, the slope is the value a.
3/21/2014 10:43:11 AM •
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What is the formula for finding the volume of a cylinder
The formula to find the volume of right prisms and right cylinders is
Volume=(area of base)*height
If the cylinder has a circular base, then the area of the base is PI*R^2
and the volume is Pi*(R^2)*H.
Here R is measure of the Radius, and H is the measure of the Height. R and H must be expressed in the same unit.
1/26/2014 6:15:37 AM •
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Reciprocal key
The key is marked x-superscript-negative-one and is just below the MATH key, left of the SIN key.
1/26/2014 6:36:25 PM •
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Err range window
Press WINDOWS function key, or just reset the calculator.
4/6/2014 1:29:24 AM •
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Ti 84 water damage
TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.
11/11/2013 11:25:04 PM •
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2,165 views • 0 helpful votes
Guided input for Distributions
Press the Mode button/key. Scroll down to the line Stat Wizards and highlight ON. Press ENTER. to validate the choice. Exit the Mode setting. Now Press the key sequence [2nd][VARS] (DISTR) to access the distributions. Scroll to find your distribution, select and press ENTER. You will have your entry screen.
2/12/2014 1:22:48 AM •
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161 views • 0 helpful votes
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