Reciprocals, Squares, And Square Roots - Texas Instruments TI-95 User Manual

Reciprocals, Squares, and Square Roots
Thereciprocal (x~ *), square (x), and square root(x) can be
considered mathematically as raising anumbertoa
predetermined power. Yourcalculator performs these
functions in one keystroke.The functions are performed
immediately and donot affect any pending operations.
Reciprocais Use the[1/x] key to calculate thereciprocal of any
nonzero numberin thedisplay.
Squares Use the [x2] key to calculate the square of a numberin the
displayif the result is within the range of the calculator.
Square Roots Use the[¥x] key to determine the squarerootof a
positive numberin thedisplay.
Example This exampleillustrates the operation of the
and[¥x] functions.
Procedure Press Display
Clear display [CLEAR] 0.
Entera negative
number -8
Calculate the reciprocal
of the number (ix) 0.125
Calculate the square of
the displayed number [x2] 0.015625
Calculate the square
rootofthe displayed
number (] 0.125
Changedisplayed
numberto a negative
value 0.125
Display indicates a
negative number has
no real square root Weal INVALID ARGUMENT
Clear error condition 0
Math Operations 2-17