History of Hindu Mathematics: A Source Book v2.c17.s2.12
History of Hindu Mathematics: A Source Book v2.c17.s2.12
- Language
- English
v2.c17.s2.12
In later Hindu mathematics the symbol for subtraction is a dot, occasionally a small circle, which is placed above the quantity, so that 7 or 7 (°) means -7; other operations are represented by simple juxtaposition.