Page 11
N Hopley. Sep 2015. TI-Nspire OS4.0
Page 11 - Calculating Reciprocals
The ‘reciprocal of a number’ is a fraction formed by putting the number in the denominator
of a fraction.
Go to the Home screen by pressing c.
Press 5 to select Settings
Press 2 to select Document Settings
Select and then to Restore factory default
settings.
For Display Digits select Float
Select and then .
Access the Scratchpad Calculator by pressing ».
To calculate the reciprocal of 123
EITHER type in /p1e123 to display
OR type in 123lv1 to display
OR type in 1 p 123 to display
…..and then press ·.
You can convert the answer from a fraction to a
decimal, by doing the following…
EITHER press / then ·
This selects ≈ and displays a decimal approximation.
OR Press b
Press 2 to select Number
Press 1 to select Convert to Decimal
This should give a screen as shown
!
Press · to convert the fraction to its decimal.
Notice that the number has not been rounded, as the
Float setting is currently chosen.
To Next Page
Loading...
Need help?
General
