Squares And Square Roots - Texas Instruments BA-20 Profit Manager Quick Reference Manual

For multiplication, pressing D repeats the operation and
the number that precedes it.
3 Q 8 = ?; 3 Q 15 = ? ; 3 Q 30 = ?
3 B 8 D
15 D
30 D

Squares and Square Roots

To square a number, enter the number and press B D.
2
2.5 = ?
2.5 B D
2
(1.6 x 2.5) = ?
1.6 B 2.5 B D
To find the square root of a number, enter the number and
press A.
144 = ?
1 44 A
2
16 + 33 = ?
16 B D @ 33 D A
Note: Attempting to find the square root of a negative
number results in an error.
6-ENG
24.
45.
90.
6.25
16.
12.
17.