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Section 4: Programming 2 73
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To operate:
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4.
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Switch to RUN.
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5.
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Follow the user instructions below:
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STEP
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INSTRUCTIONS
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INPUT
DATA/UNITS
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KEYS
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OUTPUT
DATA/UNITS
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To see month at which savings
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overtake dnpmt, press
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11.00
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Programming Label E : Difference Between Savings and Downpayment at a Specified Month
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Here again, a specific answer is required—the difference between downpayment and savings at a
specified month. We will use DSZ to cycle through the requisite number of times.
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1.
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Switch to W/PRGM.
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2.
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See 24, the code for RTN at the end of LBL D. You are ready to key in the sequence below:
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KEY
ENTRY
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CODE
SHOWN
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COMMENTS
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LBL
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23
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E
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15
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STO 8
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33 08
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Store desired month
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RCL 1
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34 01
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STO 2
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33 02
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Reset savings and
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RCL 4
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34 04
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Monthly dnpmt
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STO 5
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33 05
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LBL
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23
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Return point
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2
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02
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B
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12
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Calculate savings
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A
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11
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Calculate dnpmt
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g
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35
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Repeat until
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DSZ
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83
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Contents of register
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GTO
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22
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8 is zero
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2
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02
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Then calculate
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–
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51
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difference
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RTN
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24
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KEY
ENTRY
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CODE
SHOWN
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R8
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Savings – Dnpmt = Difference
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To operate:
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3.
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Switch to RUN.
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4.
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Follow the instructions below.
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STEP
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INSTRUCTIONS
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INPUT
DATA/UNITS
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KEYS
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OUTPUT
DATA/UNITS
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To see difference at any month,
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8
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–464.27
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enter
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3
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–1439.13
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ETC.
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