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Collecting Your Own Data


Using the Texas Instrument CBL, or "calculator-based laboratory," you can collect your own data for a wide variety of experiments exploring heating and cooling. The CBL works together with either of the Texas Instrument TI-92, TI-82 or TI-85/CBL graphics calculators and, via the TI-Graph Link, with either Macintosh or IBM compatible computers.

The picture below shows the simplest set-up for collecting temperature data -- a single temperature probe connected to the CH1 port of the CBL and the CBL connected via the linking cable to the TI-92, TI-82, or the TI-85/CBL. This set-up was used to collect the first set of data in this case study.

The procedure is as follows.

The figure below shows a set-up for a slightly more complicated experiment -- this time using two temperature probes. The procedure is identical to the preceding experiment except the TI-82 program TEMPSET2 is used instead of TEMPSET1. Not surprizingly, you would use the TI-82 program TEMPSET3 to collect data from three temperature probes and the TI-82 programs GET2 and GET3 to read the collected data from the TI-CBL to the TI-82. With the TI-85/CBL you use the programs TPST2, TPST3, GET2, and GET3. With the TI-92 you use the programs tempset2, tempset3, get2, and get3. All these programs are listed below. If you have the TI-Graph Link program and cable and your browser has been set up to use TI-Graph Link then you can click on the button next to any of these programs to download it to the calculator.

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TI-82 Program TEMPSET1

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TI-82 Program TEMPSET2

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TI-82 Program TEMPSET3

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link


TI-82 Program GET1

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TI-82 Program GET2

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TI-82 Program GET3

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link



TI-85 Program TPST1

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TI-85 Program TPST2

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TI-85 Program TPST3

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link


TI-85 Program GET1

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link


TI-85 Program GET2

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link


TI-85 Program GET3

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TI-92 Program TEMPSET1

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TI-92 Program TEMPSET2

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link


TI-92 Program TEMPSET3

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link


TI-92 Program GET1

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link


TI-92 Program GET2

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TI-92 Program GET3

Missing Program Click Here for TI-Graph Link Click Here for TI-Graph Link



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Copyright c 1995 by PWS Publishing Company, a division of International Thomson Publishing Inc. Comments to Frank Wattenberg, Department of Mathematics, Carroll College, Helena, MT 59625.