Radio Shack TRS-80 PC-3

INSTRUCTIONS
INPUT
Starting point
Minute interval
Interval
y
---f---+---.,f-\--+-v-t-+l*:--t----+ x
Interval width
OUTPUTS Starting point
Root value (by pressing the (ENTER) key, the next interval's root is found)
EXAMPLE
x
3
- 2x
2
- X + 2 = 0 (the roots are -1,1,2)
starting point = 0
minute interval = 10-
4
interval = 0.5
The above values are used in the calculation.
The functions are to be written into lines after 500 as subroutines.
How to type in the example:
1. Go into PRO mode by operating the mode change key.
2.
500B = ((X-2) * X-1) * X+2 (ENTER)
510 RETU RN (ENTER) That is all that has to be done.
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