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. ITEM COUNT CALCULATION Bill No. Number of bills Amount 1 1 $100.55 2 1 $200.00 3 1 $200,00 4 1 $400,55 5 1 $500,65 Total (a) (b) 18 (1) (2) (item w counter) (4) rn — F s — 6 — 5 100.55 [T] 100.55 001 100-55 + — A 200 g] 300.55 002 200-00 + s - 2 а 500.55 003 200-00 + — 1 -0 400.55 {*] 901.10 004 400-55 + 500.65 [f] 1,401.75 005 50065 + K>: ! • IC+ 1 1 й 005 (a) L Ш 1,401.75 1.401 75 * (b) GRAND TOTAL 100 + 200 + 300 =© +) 300 + 400 + 500 -© +) 500-600 + 700=© Grand total (4) (1) (2) (3) (4) n -F — 6 -5 100 \±\ 100. 100- + — 4 _3 200 [±] 300. 200- + — 2 300 (T] 600. 300- + i — 1 -0 И 600.. 600- *+ Q GT . I I 300 jT] 300,. 300* + u 400 [F] 700.« 400' + 500 [|] 1,200.. 500 + s 1,200.. 1.200- *+ © 500 [T] 500.. 500- + 600 E3 100. Г 600- - 700 [+] 600.. 700- + Й 600.. 600- *+ (з) Ш 2,400. 2-400- *G (4) 19 MEMORY A. 46 x 78 = © +) 12 5 h- 5 = © -) 72 x 8 - © Total © * : Press [*j] to dear the memory before starting a memory calculation. B. (123 + 45) x (456 = 89) = (1) (2) (3) (4) — F 0 — 6 — 5 123 0 123J 123- +1 — 4 _ 3 45 [+j] 45.1 45' +1 — 2 456 [TJ 456.1 456- + rrr — 1 — 0 89 0 367.1 89- - 0 367- 0 367.1 367* x 0 168.1 168- 01 m 168- = 61t656.i 61-656- * 20 GRAND TOTAL WITH FIRST FACTOR ACCUMULATION Calculation of closing inventory Article Amount of remainders Unit price ($) Sum ($) A 350 25 (a) B 135 62 (b) C 48 120 (c) D 122 30 (d) Total (E) (e) (1) (2) (3) (4) rn — f [Gf| \m\ “6 -5 350 a 350. 1 350 xl — 4 “3 25 a 25 = — 2 8,750.*' 8'750‘ *+ (a) — 1 — 0 136 [x] 136..i 136- xl GT I I 62 [2 62- = H □ 8,432.. i 8.432- *+ (b) FZ . i HE 1 □ 00 0 • CO 48- XI 120 [T) 120- = 5,760..i 5-760- *+ (c) 122 [x] 122.. > 122- xl 30 |J] 30- = 3,660..' 3-660- *+ (d) [GT] 26,602. 1 26-602- *G (e) 656. 656- *1 (E) 21 SAMPLE APPLICATIONS 1. Set the decimal selector as specified in each example. The rounding selector should be in the “5/4" position unless otherwise specified. 2. The grand total mode selector, constant mode selector, add mode selector, item count mode selector and first factor accumulation selector should be In the position (off position) unless otherwise specified. 3. Print mode selector should be in the “P" position. AVERAGING Calculate the average of a series of values. SOLUTION: 1. Add the values to calculate the TOTAL VALUES. 2. Determine the NUMBER OF VALUES. 3. Calculate the average. FORMULA: . Total of the values Average = Number of values” EXAMPLE: Day Sales If Monday .................$123.15 Tuesday..................118.00 Wednesday ...............131.58 Thursday .................125.02 Friday....................158.25 Total Sales $656.00 for 5 days Then Average Sales = $131.20 Note: if you are working in dollars and cents, use the “Add Mode." If not, set the decimal as desired. Selector (1) Operation (2) Display Display (3) (Item counter) Print (4) — — F — 6 • s - 5 12315 \T\ 123.15 001 123-15 + — 4 -3 mEIE 241.15 002 11800 + I -2 13158 [T] 372.73 003 131-58 + — 0 12502 U] 497.75 004 12502 + 15825 \Jj 656.00 005 158-25 + A/+ I » A/x ] I IavgI 005 No. of items i I 656 00 * Totai sales ICi • IC+ I I I PI 131.20 000 131-20 AG Average 22 COMPOUND INTEREST Calculate the new balance on a deposit which is compounded quarterly for 4 years at a given annual interest rate. SOLUTION: 1. Calculate the quarterly interest rate. 2. Calculate the new balance (principal plus interest) FORMULA: New balance = P (1 + i)n Where P = amount of deposit (principal) i = interest rate per period n = number of years x 4 If P = $6,150 i = 5% annum 4 periods = 0.0125 n = 4 years x 4 periods = 16 Then 6,150 (1 + 0.0125)16 = $7,502.32 (New Balance) EXAMPLE: d) (2) (3) (4) .05 {£ 0,05 0 05 -r 4 a 4' = 0.0125 0-0125 * a 0.0125 0-0125 + * a 1.0125 1* + 0 1-0125 O 1.0125 1-0125 x a 1-0125 = 1.02515625 1-02515625 * 0 1.02515625 1-02515625 x a 1-02515625 = 1.05094533691 1-05094533691 * 0 1.05094533691 1-05094533691 x a 1-05094533691 = 1.10443610117 1-10448610117 * 0 1.10443610117 1-10448610117 X a 1-10448610117 = 1.21988954767 1-21988954767 * 0 1.21988954767 1-21988954767 x 6150 [±] 6-150- = 7,502.32071817 7-502-32071817 * — F — 6 — 5 — 4 3 — 2 — 1 — 0 Annual int. rate Quarterly int. rate (1 +i) (1 +02 (1 +04 (1 +i)s (1 + 0’ Principal New balance 23 SPECIFICATIONS Operating capacity: 12 digits Power source: AC: 120V, 60Hz Calculations: Four arithmetic calculations, constant multiplication and division, power calculation, add-on/discount calculation, repeat addition and subtraction, square root calculation, reciprocal calculation grand total calculation, item count calculation, markup calculation, average calculation, memory calculation, first factor accumulation calculation, etc. PR...