STORING VALUES Sometimes it is beneficial to store numbers or expressions for later The calculator's symbol for “times 10 12” is È12. The “to a fraction” key is obtained by pressingĢnd (MATH ) F5 (MISC ) MORE F1 ( ‹Frac ). When an answer is very large or very small, the calculator displays the result in scientific notation. ANSWER DISPLAY When the denominator of a fraction has no more than three digits, your calculator can provide the answer in fraction form. (If you wish to clear the home screen, press CLEAR. USING THE ANS MEMORY Instead of again typing an expression that was evaluated immediately prior, use the answer memory by pressing 2nd (–) ( ANS). (It is not necessary to type in the 0 before the decimal point.)Ģ. The calculator will assume you mean the first expression unless you use parentheses around the two values in the exponent. As a general rule, numerators and denominators of fractions and powers consisting of more than one term should be enclosed in parentheses. CALCULATING You can type in lengthy expressions just make sure that you use parentheses when you are not sure of the calculator's order of operations. With calculator in hand, go through each of the following.ġ. You should be familiar with the basic operation of your calculator. Screens that appear the same on both calculators are shown for the TI-85.
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TI-86 Note: Because appropriate TI-86 computer linking software had not yet been perfected at the time this material was written, TI-86 screens in this Guide appear smaller than the TI85 screens. Press EXIT or 2nd EXIT ( QUIT) to return to the home screen.Keys to move the blinking cursor over the setting you want to choose and press ENTER. If you do not have the darkened choices shown in Figures 1 and 2 (below), use the arrow.The window format with GRAPH MORE F3 ( FORMT). Use the following instructions to choose the settings shown in Figure 1. Before you begin, check the basic setup with When using this Guide, you should always, unless instructed otherwise, use the calculator setup specified below for both the TI-85 and TI-86.
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