







Vinculum 
20170127 

Dick pose la question : What is the line or bar over a Roman Numeral called?
Eg. V with the bar over it representing 5,000 . Penny Nom lui répond. 





How can half of 12 be 7? 
20061116 

Liz pose la question : How can half of 12 be 7? Steve La Rocque, Chris Fisher and Penny Nom lui répond. 





Half of five 
20041226 

Pauline pose la question : Why is four half of Five? Hint: It's the middle half? Penny Nom lui répond. 





A bar over a Roman numeral 
20000621 

Charles Fontaine pose la question : Is there any significance to the bar placed over some Roman numerals? Penny Nom lui répond. 





Roman Numerals 
19990913 

April pose la question : Write MCDXCVII in arabic numbers Penny Nom lui répond. 





Roman Numerals 
19990429 

Michelle Jenkinson pose la question : Someone proposed this question to me and I do not know the answer, so I was wondering if you could help. How, using Roman Numeral, did people add, subtract, multiply, and divide with no zero or negative numbers? Penny Nom lui répond. 





Number Systems 
19981007 

Frans pose la question : What other number system are there besides the real number system and the complex number system? Interested adult thanks Penny Nom lui répond. 





Roman Numerals 
19980205 

Dawn Hilgenberg pose la question : How would I read a Roman Numeral such as LXII? Does the L in front make the X equal a lesser amount? We have been discussing how to read these and I can find no information about how to read an extended Roman Numeral problem. Help!! Harley Weston lui répond. 





Roman Numerals 
19971031 

Mark Curts pose la question : I am looking for some resources for teaching Roman Numerals. I would like to expand upon the basic concepts, by locating some addition, subtraction, multiplication or division problems written with Roman Numerals.  Mark Curts Chris Fisher lui répond. 

