Texas Instruments TI-15 Teachers Manual page 122

Quick Reference to Keys
Key
‹
‹‡
‹‡$
‹‡$$
‹‡$

Ž
Œ
Πd
Œ
Œ'
Œ'
Œ"
Œ˜
Ϊ
Œš
© 2000 T I
EXAS NSTRUMENTS
Function
Provides a set of electronic flash cards to challenge your skills in
addition, subtraction, multiplication, and division.
Displays menu list to select Auto or Manual operation: Auto Man
Displays menu list to select level of difficulty:
Displays menu list to select type of problem:
Displays menu to select display options for Place Value: 11-.
(This option available only if Man mode is selected.)
While in ‹ function, manual problem solving mode, lets you indicate a
missing element in an equation.
While in the ‹ function, manual problem solving mode, lets you test
inequalities. Press once to enter <. Press twice to enter >.
While in ‹ function, you can determine the place value of a particular
digit of given number or, in conjunction with place value keys, can
determine how many thousands, hundreds, etc., a number contains or
what digit is in a given place.
Determines the place value of digit d of given number.
Tells how many thousands a given number contains or what digit is in
the thousands place.
Tells how many hundreds a given number contains or what digit is in the
hundreds place.
Tells how many tens a given number contains or what digit is in the tens
place.
Tells how many ones a given number contains or what digit is in the ones
place.
Tells how many tenths a given number contains or what digit is in the
tenths place.
Tells how many hundredths a given number contains or what digit is in
the hundredths place.
Tells how many thousandths a given number contains or what digit is in
the thousandths place.
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NCORPORATED
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TI-15: A Guide for Teachers
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