| You can run these rules in your browser, using the Internet Business Logic system | at www.reengineeringllc.com we plan to ship this-number of this-product in quarter this-qnum ================================================================ 1000 GPSphone 3 the daily going rate for some-item for quarter some-qnum is some-rate can test some-qty of that-item pd, with some-p % burnin, on some-tester that-rate divided by that-qty (and rounded up) is some-number ----------------------------------------------------------------------- we need that-number of that-tester in quarter that-qnum we shall set up testers for some-quantity of some-item in quarter some-qnum the number of days available per quarter is some-days that-quantity divided by those-days (and rounded up) is some-rate --------------------------------------------------------------------------- the daily going rate for that-item for quarter that-qnum is that-rate the number of days available per quarter is these-days ====================================================== 60 test of an-item on some-tester takes times some-t1 (nb) and some-t2 (b) some-p % of that-item are burnt in the rounded that-p % weighting of that-t1 and that-t2 is some-t there are some-mpd minutes available on each test machine per day those-mpd divided by that-t (and rounded up) is some-number ------------------------------------------------------------------------- can test that-number of that-item pd, with that-p % burnin, on that-tester there are this-number-of minutes available on each test machine per day ======================================================================= 480 this-p % of this-item are burnt in ================================== 50 screen 60 board 50 resistor1 70 chip2 60 capacitor1 40 chip1 50 resistor7 60 capacitor2 test of this-item on this-tester takes times this-t1 (nb) and this-t2 (b) ============================================================================= capacitor1 Dynatester 2 15 capacitor2 QCtester 3 20 screen Vidtester 20 40 board CircuitRig 36 62 chip1 SiliconTester1 5 50 chip2 SiliconTester2 3 20 resistor1 Ohmtester1 2 10 resistor7 OhmTester2 2 9 an-item has some-number1 of the part some-subitem that-subitem has some-number2 of the part some-sub-subitem that-number1 * that-number2 = some-number ---------------------------------------------------------- that-item has that-number of the part that-sub-subitem an-item has some-number of the immediate part some-subitem ---------------------------------------------------------- that-item has that-number of the part that-subitem this-item has this-number of the immediate part this-subitem ============================================================ GPSphone 1 screen GPSphone 3 board screen 4 resistor1 screen 5 capacitor1 screen 7 chip2 board 3 resistor7 board 12 capacitor2 board 4 chip1 in days some-d1 thru some-d2 yield of some-item was some-p % in job some-jno ---------------------------------------------------------------------------- the expected yield of that-item is that-p %, based on past experience job some-jno was completed during the days some-d1 through some-d2 job that-jno has some-number of an-item in job that-jno the fallout was some-fallout-number items that-number - that-fallout-number = some-net that-net is some-p as a percent of that-number ---------------------------------------------------------------------------- in days that-d1 thru that-d2 yield of that-item was that-p % in job that-jno job this-jno has this-number of this-item ========================================= 1 100 screen 2 200 board 3 500 resistor1 4 700 chip2 5 600 capacitor1 6 800 chip1 7 500 resistor7 8 600 capacitor2 in job this-jno the fallout was this-number-of items ==================================================== 1 12 2 10 3 50 4 100 5 55 6 50 7 28 8 30 job this-jno was completed during the days this-start through this-stop ======================================================================= 1 1 31 2 1 3 3 3 20 4 1 1 5 3 12 6 51 70 7 1 365 8 1 365 we plan to ship some-shipnum of a-product in quarter eg-qnum that-product has some-number of the immediate part some-item the expected yield of that-item is some-yield %, based on past experience that-shipnum * that-number = some-initial-number that-initial-number divided by that-yield (normalized and rounded up) is some-expected-number ----------------------------------------------------------------------------------------------- we shall set up testers for that-expected-number of that-item in quarter eg-qnum we shall set up testers for some-expected-qty of an-item in quarter some-qnum that-item has eg-number of the immediate part a-component that-expected-qty * eg-number = some-qty-number the expected yield of that-component is some-yield %, based on past experience that-qty-number divided by that-yield (normalized and rounded up) is some-expected-number ------------------------------------------------------------------------------------------- we shall set up testers for that-expected-number of that-component in quarter that-qnum eg-y - 1 = eg-y1 eg-x * 100 = eg-x100 eg-x100 + eg-y1 = eg-x100-plus-y1 eg-x100-plus-y1 divided by eg-y = eg-z remainder eg-r ---------------------------------------------------------- eg-x divided by eg-y (normalized and rounded up) is eg-z eg-y - 1 = eg-y1 eg-x + eg-y1 = eg-x-plus-y1 eg-x-plus-y1 divided by eg-y = eg-z remainder eg-r -------------------------------------------------- eg-x divided by eg-y (and rounded up) is eg-z eg-x * 100 = eg-x100 eg-x100 divided by eg-y = eg-pxy remainder eg-r ----------------------------------------------- eg-x is eg-pxy as a percent of eg-y 100 - eg-p = eg-100lessp eg-100lessp * some-t1 = eg-w1 eg-p * some-t2 = eg-w2 eg-w1 + eg-w2 = eg-w eg-w + 50 = eg-wp50 eg-wp50 divided by 100 = some-t remainder some-r ------------------------------------------------------------- the rounded eg-p % weighting of that-t1 and that-t2 is that-t