Rapid calculator
Subtitle: for the use of public schools, business colleges, teachers, bankers and private calculation containing all the short methods known to the education or business man
By: [by C.W. Robbins]
Edition: 3rd ed., rev. and enl.
Publisher: The author
Published: 1907
Place of publication: New York
Language: eng
Number of pages: 246
Subjects: Business mathematics; Mathématiques financières
Notes: Index included.