178 Appendix B: Algebraic Mode (ALG)
The Power Function
Pressing q calculates a power of a number, that is, y
x
. Like the arithmetic
function +, q requires two numbers:
1. Key in the base number (which is designated by the y on the key).
2. Press q and key in the exponent (which is designated by the x on the key)
3. Press } to calculate the power.
To Calculate Keystrokes (ALG mode) Display
2
1.4
2q1.4}
2.64
2
–1.4
2q1.4Þ}
0.38
(–2)
3
2Þq3}
–8.00
or 2
1/3
2q3y}
1.26
2
3