HP HP-20S - Page 130

Roots, 32
Rounding, 17, 41
Routines, 76
(RTN), 66, 77
S
SCI, 18
(sci], 18
Scientific notation, 17-18, 110
Screen contrast, 9
Scroll, 68
Self-test, 116
Separate arguments, 30
Service, 114, 118, 120
Shift keys, 14
Shifted operations, 14
(sHow], 20
Sigma +, 51
Sigma —, 51
Sign, change, 11, 19
Single step, 69
Simpson’s rule, 91
(siN], 35
Sine, 35, 110
Slope, 58
Smallest negative, see largest
negative
Square, 31
Standard deviation, 51, 54
sample population, 55
Statistical formulas, 60
Step, 68, 72
(s10], 27, 73
Storage registers, 28, 51, 71
Store, 27, 73
Subroutines, 76
GTO, 76
LBL, 76
levels, 80
RTN, 76
XEQ, 77
Summation data, 27, 51
Summation statistics, 51
Support Department, 109
Swap, 14, 26, 57, 67
128 Iindex
(Swar], 14, 26, 57, 67
Switching bases, 44
(5x5y), 53, 54-56
T
(TAN], 35
Tangent, 35
Test programs, 72
Theta, 38
3 X 3 matrix operations, 97
3 X 3 matrix operations,
equations, 99
Time out, 9
Trigonometric mode, 34, 110
Trigonometric functions, 34, 110
True/false test, 81
2’s complement, 49
Two numbers, separating, 14
Two results, 15
Two-number functions, 14, 16
Two-variable statistics, 14, 51, 52
U
Underflow, 20
Up, moving, 68-69, 72
W
Warranty, 117, 120
Weighted mean, 51, 52, 59
Windows, 45
Word size, 47
X
(x=07], 81
(xEa), 66, 69
=), 31
Gw), 53-55
(x%?], 81
Ga), 57
Y
y-intercept, 57,58
(¥*], 32
(3.r], 57