HP HP-21 - Page 66

64 |Index
S
Scientific notation display, 19
Service, 56, 57, 58
Shift key, 9
cancel, 38
Shipping instructions, 57, 58
Sine, 43
Square root, 39
Stack, 25-37
automatic drop, 31
automatic lift, 31, 32, 41
reviewing the, 26
Storage, automatic, 12-14, 25
Storage register, manual, 41
Storing data, 41
Switch
on-off, 8
degree/radian, 44
line voltage select, 54
T
Tangent, 43
Temperature range, 57
Ten, powers of, 21
Time
battery operating, 55
charging, 7, 54
Trigonometric functions, 43
U
Underflow, automatic, 20
W
Warranty
calculator, 57
repair, 57
X
X exchange vy, 37
Y
Y*, 11, 23, 50