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RealEstate MATH

RealEstate MATH. Barbara Grodaes. Calculator. Press [On/C], [Set] [x], [Set] [9] Remember you only have to press [On/C] once to clear what’s on the display, twice will cancel everything EXCEPT what you have entered into Term and/or Int !

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RealEstate MATH

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  1. RealEstate MATH Barbara Grodaes Yikes!

  2. Calculator • Press [On/C], [Set] [x], [Set] [9] • Remember you only have to press [On/C] once to clear what’s on the display, twice will cancel everything EXCEPT what you have entered into Term and/or Int! • Set changes the buttons to what is green ([Set] and [M+] is [M-]subtract from memory! OR [Set] and [Amort] is Balance! – LOOK at buttons) • Remember to press [=] to display result Yikes!

  3. Calculator Defaults • [Inc] AND [Tax] are annualyou know yearly amount, enter #, press [button]you know monthly amount, enter #, press [Per], then [button] • [Debt] AND [Exp] are monthlyyou know monthly amount, enter #, press [button]you know yearly amount, enter #, divide by [12] [=], then [button] • Number of payments is 12 unless changed –turning [Off] OR pressing [On/C] [On/C] DOES NOT set this back to 12 BUT [Set] [x], [Set] [9] does[Rcl][:]will display #Pmt/Yr to set back to 12, press [1][2] [Set] [:] Yikes!

  4. Calculation of Area • Rectangles and Squares (Area = length x width) • Trapezoids (Area = (length + length) x height / 2) • Triangles (Area = base x height / 2) Yikes!

  5. Metric Conversion • Conversion tables on back of calculator • Real Estate is measured by Metric, not imperial! • When imperial measurement such as yards, feet and inches, change all units to feet before converting to metres(e.g. 3 yards, 2 feet, 3 inches = 11.25 feet, then convert) Yikes!

  6. Formulas – simple interest • I = P x R x TInterest = principal x rate x timeInterest will be a dollar amountrate will be an interest rate shown in % • if you know the interest and any 2 of the other elements, you rearrange the formula to find the 3rd (I always on TOP) Yikes!

  7. Finding 1 out of 3 (PRT?) • I = PxRxT • P = I (RxT) • R = I (PxT) • T = I (PxR) I=InterestP=PrincipalR=RateT=Time For P, R or T, write out the formula and plug in what you know – multiply what is in brackets FIRST, then divide interest by the (answer) Yikes!

  8. Formulas – compound interest • compound semi-annualI = P x R x TInterest = principal x rate x timesame formula, EXCEPT time is 6/12 • To calculate 1 year of compoundedinterest, PxRx.5=?1, then ADD this answer (?1) to the principalnewPxRx.5=?2 add answers (?1+?2=interest for 1 year) Yikes!

  9. Date Math • Calculate date by # of daysMonth[:]Day[:]Year ([+]or[-]) #dayse.g. use this to calculate listing expiration date • Calculate # of days by dateMonth[:]Day[:]Year ([+]or[-]) Month[:]Day[:]Yeare.g. use this to calculate # of days for Interest Adjustment number of days to plug into formula Yikes!

  10. Mortgage Components • [L/A] Loan Amount • [Pmt] Payment • [Term] Number of Amortization Years • [Int] Annual Interest Rate Note: • [Term][Term] Number of periods • [Int][Int] periodic rate of interest • [Pmt][Pmt] will display PIT if annual Tax is enteredbe careful because if [Exp] is entered, this will display PITH Yikes!

  11. Solving Loan Problems • [L/A], [Pmt], [Term] and [Int] are basis for solving loan problemsIf you enter in 3 of the 4 such as [L/A], [Term] and [Int], then press [Pmt], calculator will display blended monthly payment (PI). A second press[Pmt], will display payment including taxes (PIT) as long as annual taxes are already entered. • Once entered, change any variable and re-calculate your new answer with-out re-entering all of the other data! • Don’t press [On/C] [On/C] or you will lose all inputs except [Term] and [Int]! (press only once) Yikes!

  12. Sales Price / Down Payment • In conjunction with [L/A], Sales [Price] and [DnPmt] Down Payment, enter anytwo and solve for the third • [Price] stores or calculates based on [L/A] and [DnPmt] • [DnPmt] stores (either % or $) or calculates based on [L/A] and [Price] • [DnPmt][DnPmt] toggles either % or $Enter Down Payment by entering number less than 100, displays %Enter Down Payment by entering number greater than 100, displays $ Yikes!

  13. Mortgage Insurance Premium % of purchase price % of loan • Up to and including 65% 0.50% • Up to and including 75% 0.65% • Up to and including 80% 1.00% • Up to and including 85% 1.75% • Up to and including 90% 2.00% • Up to and including 95% 3.25% • Up to and including 100% 3.40% Yikes!

  14. Loan-to-Value Calculation • Conventionalloan Loan-to-Value 75% or lower • High-ratioloan Loan-to-Value over 75% to max of 95% • Divide Mortgage required by Sale Price to find Loan-to-Value percentage Mortgage amount required = Loan-to-Value % Sale Price Yikes!

  15. Analyze Loan-to-Value • If conventional, mortgage amount required is [L/A] to use in further calculationsmortgage required = total loan amount • If high-ratio, add Insurance premium % to mortgage amount required and this new amount becomes [L/A] to use in further calculationsmortgage required + insurance premium % = total loan amount Yikes!

  16. Estimating Mortgage Balance • Having already entered [L/A] [Pmt] [Term] and [Int], you can estimate balances prior/end of loan by pressing the [Amort] button • [Set] [Amort] will give you the remaining balance first - continue pressing [Amort] to scroll through same displays of information as [Amort] alone. Yikes!

  17. Mortgage Balance Keystrokes [Amort] finds total interest, principal and remaining balance • 1st press shows range of periods (you can enter a new range of periods here if you want) • 2nd press shows total interest for period range • 3rd press shows total principal for range • 4th press shows remaining balance at end of range Yikes!

  18. Keystrokes Continued [Amort] and [Set] [Amort] displays information concerning years when preceded by single year or range of years. • [#] [Amort] shows info for that (#)year starting with period range of that year – continue pressing button for more information – the total interest and total principal are total for that yearonly and the last press will give you the remaining balance • [#] [Set] [Amort] show same information but starts with remaining balance • [#] [:] [#] [Amort] show information for that series ofyears starting with period range – the total interest and total principal are total for that period only and the last press will give you the remaining balance • [#] [:] [#] [Set] [Amort] show same information for that seriesofyears but starts with remaining balance Yikes!

  19. Keystrokes Continued [Per] [Amort] displays information concerning payments when preceded by single payment or range of payments. • [#] [Per][Amort] shows info for that (#)payment starting with period range of that payment – continue pressing button for more information – the total interest and total principal are total for that paymentonly and the last press will give you the remaining balance of mortgage • [#] [Set] [Per] [Amort] same information but startsremaining balance • [#] [:] [#] [Per] [Amort] show information for that series ofpayments starting with period range – the total interest and total principal are total for that series of payment only and the last press will give you the remaining balance • [#] [:] [#] [Set] [Per] [Amort] same information for that seriesofpayments but starts with remaining balance Yikes!

  20. Interim Financing Financing necessary for a short period of days or weeks is Interim Financing. The cost of this financing is calculated using simple interest and you will know the P, R and T however the T is #of days/365I = P x R x TInterest = principal x rate x #of days/365 Yikes!

  21. Payout Penalty Payout Penalty is the greater of 3-month interest penalty or interest differential • Mortgage balance x mortgage interest rate x 3/12 = ___ • Mortgage balance x (mortgage interest rate subtract (-) current interest rate) x number of years remaining on term = ____ Yikes!

  22. Averaging Mortgage Interest • You average mortgage interest to determine which is the least cost for your client – refinance a new first mortgageORassume an existing mortgage and arrange a new 2nd mortgage • Determine what is most economical Yikes!

  23. Calculating Averaging • Existing mortgage x interest rate = ____Second mortgage x interest rate = ____Add both answers = InterestAdd both mortgages= Principal • R = I R= Interest (PxT) (Principal x1) • R = answer x 100 = ____% Yikes!

  24. Qualifying the Buyer • Five Cs of Credit for Qualifying • Character • Capital • Capacity • Collateral • Credit Yikes!

  25. Debt Service Ratios • Gross Debt less than 32% of gross income to pay PITH (+1/2 condo fees) • Total Debt less than 40% of grossincome to pay PITHOD (+1/2 condo fees) PI + T + H + (1/2 cf)+ OD Gross Monthly Income Less than 32%Less than 40% 100 = ____% x Yikes!

  26. Remember Defaults • [Inc] AND [Tax] are annualyou know yearly amount, enter #, press [button]you know monthly amount, enter #, press [Per], then [button] • [Debt] AND [Exp] are monthlyyou know monthly amount, enter #, press [button]you know yearly amount, enter #, divide by [12] [=], then [button] • Number of payments is 12 unless changed –turning [Off] OR pressing [On/C] [On/C] DOES NOT set this back to 12 BUT [Set] [x], [Set] [9] does[Rcl][:]will display #Pmt/Yr to set back to 12, press [1][2] [Set] [:] Yikes!

  27. Qualify Using Calculator • First, [Rcl] [Qual1] ensure set at 32.00-40.00. If not displayed as this, enter [3][2] [:] [4][0] [Qual1] • Enter [Inc], [Debt], [Exp] [Tax] and [L/A], then [Qual1] [Qual1] to display GDSR – TDSR • Enter [Inc], [Debt], [Exp] [Tax] (but NOT [L/A]), then [Qual1] [Qual1] to display maximum loan amount qualified for(remember this max includes ins. fees! – not net loan for deal) • Enter [L/A], [Term], [Int] [Tax] and [Exp], then [Qual1] [Qual1] to display Income necessary to verify a mortgage amount Yikes!

  28. Qualify Continued • If qualifying for condo, include ½ condo fees with heat in the [Exp] button • Remember [Qual1] [Qual1] displays different values depending on what you have previously entered • Good idea to [On/C] [On/C] first when you want the [Qual1] [Qual1] to display the different values Yikes!

  29. Capitalization Rate • V = IR • R = IV • I = RxV V=ValueI=Net IncomeR=Capitalization Rate This formula is used when an investor uses a capitalization rate with the net operating annual income to determine the maximum an investor can pay to achieve the value. Net Income Cap Rate Value Yikes!

  30. City Formula • V = TR • R = TV • T = VxR V=Assessed ValueT=TaxesR=Mill Rate Taxes = Assessed Value x Mill Rate x $.001. Taxes Assessed Value Mill Rate Yikes!

  31. Qualify Formula • I = PITG • G = PITI • PIT = GxI PIT=principal, interest, tax paymentI=IncomeG=GDSR or Gross Debt Service Ratio PIT GDSR Income Yikes!

  32. Using Memory Functions • [Rcl] [M+] recalls and displays total value in memory • [M+]adds the displayed value to memory • [Set] [M+]subtracts displayed value from value in memory oradds negative number to memory • [Rcl] [Rcl] displays total value in memory and clears memory • [Set] [Rcl]clears memory without changing displayed value • [Set] [Rcl] [M+]clears memory and puts displayed value into memory Yikes!

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