HP -18C Owner's Manual page 213

Business consultant
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E
E, appearing in numbers, 44-45
[IJ
key, used in scientific notation,
44-45
UBI
key, 130, 132
Editing
G
key, 20
alphabetic information, 24
calculator line, 22
formulas, 130
formulas, affect on user-variables,
132
keys, 24
IDEI
key, 77-78
IDBI
key, 77-78
EFFCT menu, 77-78
Effective interest rate, 77-79
Bill
key, 57
End payment mode, 57, 58
Entering formulas, 130-131
Entering guesses, 138-141
Entering numbers into CFLO lists,
85-86
Environmental limits, 191
Equals sign, used to complete cal-
culations, 21, 34
Equations, used by built-in menus,
178-183
Erasing calculator memory
all stored information, 188-189
built-in variables, 31
characters on the calculator line,
22
formulas, 135-136
number lists, 114
user-variables, 132, 135-136
Error messages, 31, 195-200
Estimates
for IRR%, displayed during cal-
culation, 171
for IRR%, entering, 170-171
for the solver, displayed during
calculation, 173-178
for the solver, entering, 138-141
I
EXIT
I key, 27, 30
EXOR operator, 148
. . .
key, 42, 103
EXP function, 144
EXPM1 function, 144
Exponential model, 102-103
Exponential numbers, 44-45
Exponentiation, 33-34
F
FACT function, 144
Factorial, 42
Factorial function, in SOLVE, 144
. . . .
key, 26, 56
Final cash flow, FV, 57
_
key,
43
Forecasting calculations, 102-107
Forecasting formulas, 183
Formula list, 129
clearing, 31
empty, 129
printing, 155
Formula solver, 127-149, 171-178
Formulas
algebraic rules, 142-143
clearing, 1 36
deleting, 135, 136
entering, 130-1 31
erasing, 136
invalid, 131
length of, 130, 142
longer than 22 characters, 132
memory used by, 190
naming, 134
used by built-in menus, 178-183
verifying, 131
writing, 141-149
FP function, 144
Fractional part function, in SOLVE,
144
IiDiI
key, 100
FRCST menu, displaying, 100
Functions, in formulas, 141,
144-145
Future dates, calculating, 126
Index
211

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