Yieldra

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N, I/Y, PV, PMT and FV stay on screen while you type, so a wrong P/Y shows before you press CPT.

Payment per period

Payment per period. The five registers balance to zero. Money in is +, money out is −; r is the rate per payment period.

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Present value

Present value. The five registers balance to zero. Money in is +, money out is −; r is the rate per payment period.

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FV

FV. The five registers balance to zero. Money in is +, money out is −; r is the rate per payment period.

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NPV · Cash flow

NPV · Cash flow. Each flow is discounted back to period 0 at rate I and added up.

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IRR · Cash flow

IRR · Cash flow. IRR is the rate that makes NPV exactly zero; it is found by iteration.

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MIRR · Cash flow

MIRR · Cash flow. MIRR discounts outflows at rate I and grows inflows at the reinvestment rate RI, so it gives one answer even when IRR has several.

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Payback

Payback. Uses undiscounted cash flows at equal intervals. A fractional recovery period is a linear estimate.

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Amortization

Amortization. Each payment first covers the period's interest on the balance; the rest repays principal.

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Effective annual rate (%)

Effective annual rate (%). The effective rate is what the nominal rate becomes once compounding is counted.

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Nominal annual rate (%)

Nominal annual rate (%). The effective rate is what the nominal rate becomes once compounding is counted.

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Percent change

Percent change. The new value is the old value grown by the change for the given number of periods.

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New value

New value. The new value is the old value grown by the change for the given number of periods.

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Profit margin

Profit margin. Margin is profit as a share of the selling price; markup is profit as a share of cost.

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Breakeven

Breakeven. At breakeven, revenue exactly covers fixed and variable costs.

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Depreciation

Depreciation. Straight line spreads cost minus salvage evenly; the other methods take more in the early years.

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Dates

Dates. Counts actual calendar days, excluding the start date. No business-day or 30/360 adjustment.

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Bond

Bond. Discounts regular coupons and redemption at the yield. Settlement is on a coupon date; accrued interest and irregular periods are excluded.

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Extra payments

Extra payments. Every extra amount goes straight to principal, so later periods charge interest on a smaller balance and the loan ends early.

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