round — rounds a real number up or down to the nearest integer.
round (number)
A number.
The nearest integer to the number.
This function rounds its argument to the nearest integer. Values of .5 are rounded up to the next highest integer.
Gamma> round(8.73); 9 Gamma> round(2.21); 2 Gamma> round(5.5); 6 Gamma> round(5.49); 5 Gamma>
ceil, floor
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