Texas Instruments MathPrint TI-30X Plus - Resetting the Emulator

10
1.3 Pi (symbol pi)
To access
π
, press d (multi-tap key).
Example
Use the TI-30X Plus MathPrint™ to find the area of a circle whose radius is
8
cm. Give your
answer correct to one decimal place.
Keystrokes and solution:
Press d * and enter
8
.
Press l n.
This gives
64πA =
.
Press c to convert to a decimal.
201.1A =
(cm
2
) correct to
1
dec. place.
1.4 Surds
Example
Use the TI-30X Plus MathPrint™ to express
4
2 2 3−
with a rational denominator.
Keystrokes and solution:
Press k and enter
4
.
Press ] and enter
2
.
Press * q € and enter
2
.
Press > - q € and enter
3
.
Press n.
4 4 3 8 2
5
2 2 3
+
=
−