Second Decimal Point. I am using BigDecimal to get some price values. The "decimal point" is a specific type of "decimal mark", being that it is a dot, period or 'point' that acts as a decimal mark.
The reason is that floating point numbers are not exact. If you have to round input floating point number then for that the format is. "%wf" where w = Integer number for total width of data.(including the digit before and after decimal and decimal itself). The decimal point is the most important part of a Decimal Number.
The caveat is that this might not do exactly what you think.
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I am using BigDecimal to get some price values. The coefficients on all of the volume variables remained the same to the second decimal point. Without it we are lost, and don't know what each position means.