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Net 10, net 15, net 30 and net 60 (often hyphenated "net-" and/or followed by "days", e.g., "net 10 days") are payment terms for trade credit, which specify that the net amount (the total outstanding on the invoice) is expected to be paid in full by the buyer within 10, 15, 30 or 60 days of the date when the goods are dispatched or the service is completed.
In mathematical optimization, the proximal operator is an operator associated with a proper, [note 1] lower semi-continuous convex function from a Hilbert space to [, +], and is defined by: [1]
An amortization calculator is used to determine the periodic payment amount due on a loan (typically a mortgage), based on the amortization process. The amortization repayment model factors varying amounts of both interest and principal into every installment, though the total amount of each payment is the same.
Actuarial notation is a shorthand method to allow actuaries to record mathematical formulas that deal with interest rates and life tables.. Traditional notation uses a halo system, where symbols are placed as superscript or subscript before or after the main letter.
where is the number of terms in the progression and is the common difference between terms. The formula is essentially the same as the formula for the standard deviation of a discrete uniform distribution , interpreting the arithmetic progression as a set of equally probable outcomes.
In more formal terms, where equals the real interest rate, equals the nominal interest rate, and equals the inflation rate, then (+) = (+) (+). The approximation of r = i − π {\displaystyle r=i-\pi } is often used instead since the nominal interest rate, real interest rate, and inflation rate are usually close to zero.
The DSCR is calculated by dividing the operating income by the total amount of debt service due. A higher DSCR indicates that an entity has a greater ability to service its debts. Banks and lenders often use a minimum DSCR ratio as a condition in covenants, and a breach can sometimes be considered an act of default.
In the denominator we have net assets or capital employed instead of total assets (which is the case of Return on Assets). Capital Employed has many definitions. In general it is the capital investment necessary for a business to function.