Calin Professional always shows a summary plus full details of the calculation.
The narration can be used to convincingly persuade that the calculation is correct, and if necessary, prove that your calculation is better than your opponent's.
Calin Professional provides a matching narrated result report, table format report plus full micro-detail of the calculation.
Example 1 (Simple Principal)
INTEREST CALCULATION TABLE
DATE DESCRIPTION DAYS AMOUNT BALANCE PRINCIPAL INTEREST
14/02/2004 Interest rate started at 9% on debit balances $10,000.00DR $10,000.00DR $0.00DR
(0.02459016% per day).
31/12/2004 Interest (14/02/2004 to 31/12/2004 inclusive) 322 $791.80DR $10,791.80DR $10,000.00DR $791.80DR
$10,000.00 × 0.02459016% × 322 days = $791.80.
01/01/2005 Days per year changed to 365. Daily interest $10,791.80DR $10,000.00DR $791.80DR
rate now 0.02465753% on debit balances.
21/02/2007 Interest (01/01/2005 to 21/02/2007 inclusive) 782 $1,928.22DR $12,720.02DR $10,000.00DR $2,720.02DR
$10,000.00 × 0.02465753% × 782 days = $1,928.22.
Final Balance 1104 $12,720.02DR $10,000.00DR $2,720.02DR
Example 2 (Transactions)
TRANSACTION HISTORY BEFORE INTEREST IS TAKEN INTO ACCOUNT
DATE DESCRIPTION AMOUNT BALANCE
05/04/2001 Invoice No. 444 $3,267.48 $3,267.48
12/05/2001 Invoice No. 445 $4,185.43 $7,452.91
01/07/2001 Cheque No. 394284 $4,363.52CR $3,089.39
14/11/2001 Invoice No. 446 $7,762.41 $10,851.80
08/02/2002 Cheque No. 394285 $1,602.83CR $9,248.97
27/05/2002 Cheque No. 394286 $4,473.90CR $4,775.07
10/07/2002 Cheque No. 394287 $8,431.80CR $3,656.73CR
05/10/2002 Cheque No. 394288 $3,295.73CR $6,952.46CR
02/01/2003 Cheque No. 394289 $6,950.90CR $13,903.36CR
04/03/2003 Cheque No. 394290 $4,094.74CR $17,998.10CR
25/05/2003 Invoice No. 447 $1,797.04 $16,201.06CR
04/04/2004 Cheque No. 394291 $9,523.77CR $25,724.83CR
09/07/2004 Cheque No. 394292 $5,825.95CR $31,550.78CR
25/07/2004 Cheque No. 394293 $4,877.98CR $36,428.76CR
08/10/2004 Cheque No. 394294 $8,752.78CR $45,181.54CR
18/10/2004 Invoice No. 448 $9,018.20 $36,163.34CR
24/11/2005 Invoice No. 449 $7,253.08 $28,910.26CR
14/03/2006 Cheque No. 394295 $272.76CR $29,183.02CR
06/06/2006 Cheque No. 394296 $9,221.60CR $38,404.62CR
15/09/2006 Cheque No. 394297 $684.75CR $39,089.37CR
INTEREST CALCULATION TABLE
DATE DESCRIPTION DAYS AMOUNT BALANCE PRINCIPAL INTEREST
05/04/2001 Interest rate started at 10.5% on debit balances $3,267.48DR $3,267.48DR $0.00DR
(0.02876712% per day).
11/05/2001 Interest (05/04/2001 to 11/05/2001 inclusive) 37 $34.78DR $3,302.26DR $3,267.48DR $34.78DR
$3,267.48 × 0.02876712% × 37 days = $34.78.
12/05/2001 Invoice No. 445. Entire amount added to principal. $4,185.43DR $7,487.69DR $7,452.91DR $34.78DR
30/06/2001 Interest (12/05/2001 to 30/06/2001 inclusive) 50 $107.20DR $7,594.89DR $7,452.91DR $141.98DR
$7,452.91 × 0.02876712% × 50 days = $107.20.
01/07/2001 Cheque No. 394284. Payment was applied partly to $4,363.52CR $3,231.37DR $3,231.37DR $0.00DR
interest ($141.98) and partly to principal
($4,221.54).
31/08/2001 Interest (01/07/2001 to 31/08/2001 inclusive) 62 $57.63DR $3,289.00DR $3,231.37DR $57.63DR
$3,231.37 × 0.02876712% × 62 days = $57.63.
01/09/2001 Interest rate on debit balances changed to 9.5% $3,289.00DR $3,231.37DR $57.63DR
per annum (M.C.P.D.) (currently 0.0260274% per
day).
13/11/2001 Interest (01/09/2001 to 13/11/2001 inclusive) 74 $62.24DR $3,351.24DR $3,231.37DR $119.87DR
$3,231.37 × 0.0260274% × 74 days = $62.24.
14/11/2001 Invoice No. 446. Entire amount added to principal. $7,762.41DR $11,113.65DR $10,993.78DR $119.87DR
07/02/2002 Interest (14/11/2001 to 07/02/2002 inclusive) 86 $246.08DR $11,359.73DR $10,993.78DR $365.95DR
$10,993.78 × 0.0260274% × 86 days = $246.08.
08/02/2002 Cheque No. 394285. Payment was applied partly to $1,602.83CR $9,756.90DR $9,756.90DR $0.00DR
interest ($365.95) and partly to principal
($1,236.88).
31/03/2002 Interest (08/02/2002 to 31/03/2002 inclusive) 52 $132.05DR $9,888.95DR $9,756.90DR $132.05DR
$9,756.90 × 0.0260274% × 52 days = $132.05.
01/04/2002 Interest rate on debit balances changed to 9% per $9,888.95DR $9,756.90DR $132.05DR
annum (M.C.P.D. 2/2002) (currently 0.02465753% per
day).
26/05/2002 Interest (01/04/2002 to 26/05/2002 inclusive) 56 $134.73DR $10,023.68DR $9,756.90DR $266.78DR
$9,756.90 × 0.02465753% × 56 days = $134.73.
27/05/2002 Cheque No. 394286. Payment was applied partly to $4,473.90CR $5,549.78DR $5,549.78DR $0.00DR
interest ($266.78) and partly to principal
($4,207.12).
09/07/2002 Interest (27/05/2002 to 09/07/2002 inclusive) 44 $60.21DR $5,609.99DR $5,549.78DR $60.21DR
$5,549.78 × 0.02465753% × 44 days = $60.21.
10/07/2002 Cheque No. 394287. Payment was applied partly to $8,431.80CR $2,821.81CR $2,821.81CR $0.00DR
interest ($60.21) and partly to principal
($8,371.59).
04/10/2002 Interest (10/07/2002 to 04/10/2002 inclusive) 87 Nil $2,821.81CR $2,821.81CR $0.00DR
$2,821.81CR × 0% × 87 days = $0.00.
05/10/2002 Cheque No. 394288. Payment applied entirely to $3,295.73CR $6,117.54CR $6,117.54CR $0.00DR
principal.
01/01/2003 Interest (05/10/2002 to 01/01/2003 inclusive) 89 Nil $6,117.54CR $6,117.54CR $0.00DR
$6,117.54CR × 0% × 89 days = $0.00.
02/01/2003 Cheque No. 394289. Payment applied entirely to $6,950.90CR $13,068.44CR $13,068.44CR $0.00DR
principal.
03/03/2003 Interest (02/01/2003 to 03/03/2003 inclusive) 61 Nil $13,068.44CR $13,068.44CR $0.00DR
$13,068.44CR × 0% × 61 days = $0.00.
04/03/2003 Cheque No. 394290. Payment applied entirely to $4,094.74CR $17,163.18CR $17,163.18CR $0.00DR
principal.
24/05/2003 Interest (04/03/2003 to 24/05/2003 inclusive) 82 Nil $17,163.18CR $17,163.18CR $0.00DR
$17,163.18CR × 0% × 82 days = $0.00.
25/05/2003 Invoice No. 447. Entire amount added to principal. $1,797.04DR $15,366.14CR $15,366.14CR $0.00DR
31/12/2003 Interest (25/05/2003 to 31/12/2003 inclusive) 221 Nil $15,366.14CR $15,366.14CR $0.00DR
$15,366.14CR × 0% × 221 days = $0.00.
01/01/2004 Days per year changed to 366. Daily interest rate $15,366.14CR $15,366.14CR $0.00DR
now 0.02459016% on debit balances.
03/04/2004 Interest (01/01/2004 to 03/04/2004 inclusive) 94 Nil $15,366.14CR $15,366.14CR $0.00DR
$15,366.14CR × 0% × 94 days = $0.00.
04/04/2004 Cheque No. 394291. Payment applied entirely to $9,523.77CR $24,889.91CR $24,889.91CR $0.00DR
principal.
08/07/2004 Interest (04/04/2004 to 08/07/2004 inclusive) 96 Nil $24,889.91CR $24,889.91CR $0.00DR
$24,889.91CR × 0% × 96 days = $0.00.
09/07/2004 Cheque No. 394292. Payment applied entirely to $5,825.95CR $30,715.86CR $30,715.86CR $0.00DR
principal.
24/07/2004 Interest (09/07/2004 to 24/07/2004 inclusive) 16 Nil $30,715.86CR $30,715.86CR $0.00DR
$30,715.86CR × 0% × 16 days = $0.00.
25/07/2004 Cheque No. 394293. Payment applied entirely to $4,877.98CR $35,593.84CR $35,593.84CR $0.00DR
principal.
07/10/2004 Interest (25/07/2004 to 07/10/2004 inclusive) 75 Nil $35,593.84CR $35,593.84CR $0.00DR
$35,593.84CR × 0% × 75 days = $0.00.
08/10/2004 Cheque No. 394294. Payment applied entirely to $8,752.78CR $44,346.62CR $44,346.62CR $0.00DR
principal.
17/10/2004 Interest (08/10/2004 to 17/10/2004 inclusive) 10 Nil $44,346.62CR $44,346.62CR $0.00DR
$44,346.62CR × 0% × 10 days = $0.00.
18/10/2004 Invoice No. 448. Entire amount added to principal. $9,018.20DR $35,328.42CR $35,328.42CR $0.00DR
31/12/2004 Interest (18/10/2004 to 31/12/2004 inclusive) 75 Nil $35,328.42CR $35,328.42CR $0.00DR
$35,328.42CR × 0% × 75 days = $0.00.
01/01/2005 Days per year changed to 365. Daily interest rate $35,328.42CR $35,328.42CR $0.00DR
now 0.02465753% on debit balances.
23/11/2005 Interest (01/01/2005 to 23/11/2005 inclusive) 327 Nil $35,328.42CR $35,328.42CR $0.00DR
$35,328.42CR × 0% × 327 days = $0.00.
24/11/2005 Invoice No. 449. Entire amount added to principal. $7,253.08DR $28,075.34CR $28,075.34CR $0.00DR
13/03/2006 Interest (24/11/2005 to 13/03/2006 inclusive) 110 Nil $28,075.34CR $28,075.34CR $0.00DR
$28,075.34CR × 0% × 110 days = $0.00.
14/03/2006 Cheque No. 394295. Payment applied entirely to $272.76CR $28,348.10CR $28,348.10CR $0.00DR
principal.
05/06/2006 Interest (14/03/2006 to 05/06/2006 inclusive) 84 Nil $28,348.10CR $28,348.10CR $0.00DR
$28,348.10CR × 0% × 84 days = $0.00.
06/06/2006 Cheque No. 394296. Payment applied entirely to $9,221.60CR $37,569.70CR $37,569.70CR $0.00DR
principal.
14/09/2006 Interest (06/06/2006 to 14/09/2006 inclusive) 101 Nil $37,569.70CR $37,569.70CR $0.00DR
$37,569.70CR × 0% × 101 days = $0.00.
15/09/2006 Cheque No. 394297. Payment applied entirely to $684.75CR $38,254.45CR $38,254.45CR $0.00DR
principal.
21/02/2007 Interest (15/09/2006 to 21/02/2007 inclusive) 160 Nil $38,254.45CR $38,254.45CR $0.00DR
$38,254.45CR × 0% × 160 days = $0.00.
Final Balance 2149 $38,254.45CR $38,254.45CR $0.00DR