IBM 1130 User Manual page 582

Summary and Conclusion
From the examples shown you may draw some
conclusions:
1. Integer arithmetic is much faster than real
arithmetic.
2. Extended precision and standard precision
real arithmetic are of essentially the same speed.
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Subsectiors Page
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20
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3. Decimal arithmetic is fairly slow.
4. Subscripting adds a considerable amount of
time to arithmetic calculations. (It also increases
the size of your program.)
5. Unnecessary use of mixed mode expressions
can add somewhat to execution time.