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FutureStarrHow to Get on Calculator
On the left side of the screen you’ll see a Quick Response box, this is where you’ll type the number of questions you want to answer. If you want to stop answering questions, tap the pause button in the top left corner of the calculator. When you’ve answered the amount of questions you wanted, tap either Continue, or Stop.
On graphing calculators, you may need to do even more to do a factorial. For example, on the TI-84 Plus, you need to enter the math probability menu by pressing “[math]” followed by the left key twice, and finally press “4” to enter the factorial symbol. Check your manual to find the way to complete the operation on a specific graphing calculator.
Your calculator will now be working in ‘Math’ mode, and the word Math will be shown near the right-hand side of the top of the calculator display, as shown in Figure 4 below. Math mode is the recommended way of using your calculator during this course as it allows mathematics to be entered and displayed in a similar way to how you would write it on paper. (Source: www.open.edu)
You could write down the answer to the first part of the calculation on paper, and enter it into the calculator again. However, it is possible that you may make an error either in writing down the number or in typing it into the calculator. A better method is to use the fact that the calculator retains the last calculated answer, which can then be inserted in the subsequent calculation using the.
The percentage increase calculator above computes an increase or decrease of a specific percentage of the input number. It basically involves converting a percent into its decimal equivalent, and either subtracting (decrease) or adding (increase) the decimal equivalent from and to 1, respectively. Multiplying the original number by this value will result in either an increase or decrease of the number by the given percent. Refer to the example below for clarification. (Source: www.calculator.net)