| Function name | Description | Argument type | Return type | Example | Default answer | Alternate answer(s) |
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| aOrAn(num,true/false) | Returns "A" or "An" for the number when "true". Returns "a" or "an" as appropriate for the given number when "false" (or when true/false is excluded). | number and true/false | string | aOrAn(3,true) aOrAn(8,false) | "A" "an" | | | oRandom(min1,max1,min2,max2,sigfig,def) | Returns a number either between min1 and max1 or min2 and max2 with the specified number of significant digits | numbers | double | oRandom(1, 1.5, 3, 3.5, 3, 1) | 1 | 1.25, 3.3, many others | | randomStep(min,max,step,def) | Generates a random number | numbers | double | randomStep(1, 5, 1, 3) | 3 | 1, 2, 4, 5 | | reducedFrac(a,b) | Reduces a/b to simplest form | int or double | char* | reducedFrac(12,6) | 2 | | | roundoff(num, precision) | Rounds off a number Note: drops trailing zeros | numbers | string or double | roundoff(4.056, 3) x=4.02 roundoff(x, 2) | 4.06 4 | | | sigfig(num, precision) | Rounds off a number. | numbers | string | sigfig(4.056, 3) x=4.02 sigfig(x, 2) | 4.06 4.0 | | | | | | | | | | | | | | | | | | | | | | | | | |
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