HP 12C#ABA hp 12c_solutions handbook_English_E.pdf - Page 143

a. Key in C1, the cost of the first unit and press .

Page 143 highlights

R5-R.3: Unused 1. Key in the program, (Note: If the average cost are not going to be calcu- lated, lines 25 through 48 need not be keyed in). 2. To calculate r, the learning factor, if C1 and Cn are known: a. Key in C1, the cost of the first unit and press . b. Key in Cn, the cost of the nth unit and press . c. Key in n, the number of units and press learning factor. to calculate r the 3. To calculate the cost of the nth unit when C1 and r are known: a. Key in C1 and press 1. Key in r and press 2. (Note: This step may be skipped if step 2 has just been done). b. Key in the number of units, n and calculate Cn, the cost of the nth unit by pressing 16 . 4. To calculate the average cost per unit of the ith through jth unit, Cij, if C1 and r are known. a. Key in C1 and press 1. Key in r and press 2. (Note: This step may be skipped if step 2 has just been done). b. Key in the number of the last unit of the batch, j and press . c. Key in the number of the first unit of the batch, i, and calculate the average cost per unit by pressing 25 . Example 2: The electronic manufacturer cited in example 1 found that the 100th instrument actually cost $395 to manufacture. Find the actual learning factor, r, the cost of the 500th unit and the average cost of units 500 thru 1000. (Recall that C1 was $875). Keystrokes Display 875 875.00 395 395.00 100 0.89 Actual r. 500 16 299.14 Cost of the 500th unit. 1000 500 1000.00 25 280.00 Average cost of the 500th thru 1000th unit. 142

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165

142
1.
Key in the program, (Note: If the average cost are not going to be calcu-
lated, lines 25 through 48 need not be keyed in).
2.
To calculate
r
, the learning factor, if
C
1
and
C
n
are known:
a.
Key in
C
1
, the cost of the first unit and press
b.
Key in
C
n
, the cost of the
n
th unit and press
c.
Key in
n
, the number of units and press
to calculate
r
the
learning factor
.
3.
To calculate the cost of the
n
th unit when
C
1
and
r
are known:
a.
Key in
C
1
and press
1. Key in
r
and press
2. (Note:
This step may be skipped if step 2 has just been done).
b.
Key in the number of units,
n
and calculate
C
n
, the cost of the
n
th
unit by pressing
16
.
4.
To calculate the average cost per unit of the
i
th through
j
th unit,
C
ij
, if
C
1
and
r
are known.
a.
Key in
C
1
and press
1. Key in
r
and press
2. (Note:
This step may be skipped if step 2 has just been done).
b.
Key in the number of the last unit of the batch,
j
and press
c.
Key in the number of the first unit of the batch,
i
, and calculate the
average cost per unit by pressing
25
.
Example 2:
The electronic manufacturer cited in example 1 found that the
100th instrument actually cost $395 to manufacture. Find the actual
learning factor,
r
, the cost of the 500th unit and the average cost of units
500 thru 1000. (Recall that
C
1
was $875).
R
5
-R
.3
: Unused
Keystrokes
Display
875
875.00
395
395.00
100
0.89
Actual
r
.
500
16
299.14
Cost of the 500th unit.
1000
1000.00
500
25
280.00
Average cost of the 500th thru 1000th
unit.