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+STOCKMARKET
+
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+
+
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+
diff --git a/83 Stock Market/javascript/stockmarket.js b/83 Stock Market/javascript/stockmarket.js
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+// STOCKMARKET
+//
+// Converted from BASIC to Javascript by Oscar Toledo G. (nanochess)
+//
+
+function print(str)
+{
+ document.getElementById("output").appendChild(document.createTextNode(str));
+}
+
+function input()
+{
+ var input_element;
+ var input_str;
+
+ return new Promise(function (resolve) {
+ input_element = document.createElement("INPUT");
+
+ print("? ");
+ input_element.setAttribute("type", "text");
+ input_element.setAttribute("length", "50");
+ document.getElementById("output").appendChild(input_element);
+ input_element.focus();
+ input_str = undefined;
+ input_element.addEventListener("keydown", function (event) {
+ if (event.keyCode == 13) {
+ input_str = input_element.value;
+ document.getElementById("output").removeChild(input_element);
+ print(input_str);
+ print("\n");
+ resolve(input_str);
+ }
+ });
+ });
+}
+
+function tab(space)
+{
+ var str = "";
+ while (space-- > 0)
+ str += " ";
+ return str;
+}
+
+var sa = [];
+var pa = [];
+var za = [];
+var ca = [];
+var i1;
+var n1;
+var e1;
+var i2;
+var n2;
+var e2;
+var x1;
+var w3;
+var t8;
+var a;
+var s4;
+
+// New stock values - subroutine
+function randomize_initial()
+{
+ // RANDOMLY PRODUCE NEW STOCK VALUES BASED ON PREVIOUS
+ // DAY'S VALUES
+ // N1,N2 ARE RANDOM NUMBERS OF DAYS WHICH RESPECTIVELY
+ // DETERMINE WHEN STOCK I1 WILL INCREASE 10 PTS. AND STOCK
+ // I2 WILL DECREASE 10 PTS.
+ // IF N1 DAYS HAVE PASSED, PICK AN I1, SET E1, DETERMINE NEW N1
+ if (n1 <= 0) {
+ i1 = Math.floor(4.99 * Math.random() + 1);
+ n1 = Math.floor(4.99 * Math.random() + 1);
+ e1 = 1;
+ }
+ // IF N2 DAYS HAVE PASSED, PICK AN I2, SET E2, DETERMINE NEW N2
+ if (n2 <= 0) {
+ i2 = Math.floor(4.99 * Math.random() + 1);
+ n2 = Math.floor(4.99 * Math.random() + 1);
+ e2 = 1;
+ }
+ // DEDUCT ONE DAY FROM N1 AND N2
+ n1--;
+ n2--;
+ // LOOP THROUGH ALL STOCKS
+ for (i = 1; i <= 5; i++) {
+ x1 = Math.random();
+ if (x1 < 0.25) {
+ x1 = 0.25;
+ } else if (x1 < 0.5) {
+ x1 = 0.5;
+ } else if (x1 < 0.75) {
+ x1 = 0.75;
+ } else {
+ x1 = 0.0;
+ }
+ // BIG CHANGE CONSTANT:W3 (SET TO ZERO INITIALLY)
+ w3 = 0;
+ if (e1 >= 1 && Math.floor(i1 + 0.5) == Math.floor(i + 0.5)) {
+ // ADD 10 PTS. TO THIS STOCK; RESET E1
+ w3 = 10;
+ e1 = 0;
+ }
+ if (e2 >= 1 && Math.floor(i2 + 0.5) == Math.floor(i + 0.5)) {
+ // SUBTRACT 10 PTS. FROM THIS STOCK; RESET E2
+ w3 -= 10;
+ e2 = 0;
+ }
+ // C(I) IS CHANGE IN STOCK VALUE
+ ca[i] = Math.floor(a * sa[i]) + x1 + Math.floor(3 - 6 * Math.random() + 0.5) + w3;
+ ca[i] = Math.floor(100 * ca[i] + 0.5) / 100;
+ sa[i] += ca[i];
+ if (sa[i] <= 0) {
+ ca[i] = 0;
+ sa[i] = 0;
+ } else {
+ sa[i] = Math.floor(100 * sa[i] + 0.5) / 100;
+ }
+ }
+ // AFTER T8 DAYS RANDOMLY CHANGE TREND SIGN AND SLOPE
+ if (--t8 < 1) {
+ // RANDOMLY CHANGE TREND SIGN AND SLOPE (A), AND DURATION
+ // OF TREND (T8)
+ t8 = Math.floor(4.99 * Math.random() + 1);
+ a = Math.floor((Math.random() / 10) * 100 + 0.5) / 100;
+ s4 = Math.random();
+ if (s4 > 0.5)
+ a = -a;
+ }
+}
+
+// Main program
+async function main()
+{
+ print(tab(30) + "STOCK MARKET\n");
+ print(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
+ print("\n");
+ print("\n");
+ print("\n");
+ // STOCK MARKET SIMULATION -STOCK-
+ // REVISED 8/18/70 (D. PESSEL, L. BRAUN, C. LOSIK)
+ // IMP VRBLS: A-MRKT TRND SLP; B5-BRKRGE FEE; C-TTL CSH ASSTS;
+ // C5-TTL CSH ASSTS (TEMP); C(I)-CHNG IN STK VAL; D-TTL ASSTS;
+ // E1,E2-LRG CHNG MISC; I-STCK #; I1,I2-STCKS W LRG CHNG;
+ // N1,N2-LRG CHNG DAY CNTS; P5-TTL DAYS PRCHSS; P(I)-PRTFL CNTNTS;
+ // Q9-NEW CYCL?; S4-SGN OF A; S5-TTL DYS SLS; S(I)-VALUE/SHR;
+ // T-TTL STCK ASSTS; T5-TTL VAL OF TRNSCTNS;
+ // W3-LRG CHNG; X1-SMLL CHNG(<$1); Z4,Z5,Z6-NYSE AVE.; Z(I)-TRNSCT
+ // SLOPE OF MARKET TREND:A (SAME FOR ALL STOCKS)
+ x = 1;
+ a = Math.floor(Math.random() / 10 * 100 + 0.5) / 100;
+ t5 = 0;
+ x9 = 0;
+ n1 = 0;
+ n2 = 0;
+ e1 = 0;
+ e2 = 0;
+ // INTRODUCTION
+ print("DO YOU WANT THE INSTRUCTIONS (YES-TYPE 1, NO-TYPE 0)");
+ z9 = parseInt(await input());
+ print("\n");
+ print("\n");
+ if (z9 >= 1) {
+ print("THIS PROGRAM PLAYS THE STOCK MARKET. YOU WILL BE GIVEN\n");
+ print("$10,000 AND MAY BUY OR SELL STOCKS. THE STOCK PRICES WILL\n");
+ print("BE GENERATED RANDOMLY AND THEREFORE THIS MODEL DOES NOT\n");
+ print("REPRESENT EXACTLY WHAT HAPPENS ON THE EXCHANGE. A TABLE\n");
+ print("OF AVAILABLE STOCKS, THEIR PRICES, AND THE NUMBER OF SHARES\n");
+ print("IN YOUR PORTFOLIO WILL BE PRINTED. FOLLOWING THIS, THE\n");
+ print("INITIALS OF EACH STOCK WILL BE PRINTED WITH A QUESTION\n");
+ print("MARK. HERE YOU INDICATE A TRANSACTION. TO BUY A STOCK\n");
+ print("TYPE +NNN, TO SELL A STOCK TYPE -NNN, WHERE NNN IS THE\n");
+ print("NUMBER OF SHARES. A BROKERAGE FEE OF 1% WILL BE CHARGED\n");
+ print("ON ALL TRANSACTIONS. NOTE THAT IF A STOCK'S VALUE DROPS\n");
+ print("TO ZERO IT MAY REBOUND TO A POSITIVE VALUE AGAIN. YOU\n");
+ print("HAVE $10,000 TO INVEST. USE INTEGERS FOR ALL YOUR INPUTS.\n");
+ print("(NOTE: TO GET A 'FEEL' FOR THE MARKET RUN FOR AT LEAST\n");
+ print("10 DAYS)\n");
+ print("-----GOOD LUCK!-----\n");
+ }
+ // GENERATION OF STOCK TABLE: INPUT REQUESTS
+ // INITIAL STOCK VALUES
+ sa[1] = 100;
+ sa[2] = 85;
+ sa[3] = 150;
+ sa[4] = 140;
+ sa[5] = 110;
+ // INITIAL T8 - # DAYS FOR FIRST TREND SLOPE (A)
+ t8 = Math.floor(4.99 * Math.random() + 1);
+ // RANDOMIZE SIGN OF FIRST TREND SLOPE (A)
+ if (Math.random() <= 0.5)
+ a -= a;
+ // RANDOMIZE INITIAL VALUES
+ randomize_initial();
+ // INITIAL PORTFOLIO CONTENTS
+ for (i = 1; i <= 5; i++) {
+ pa[i] = 0;
+ za[i] = 0;
+ }
+ print("\n");
+ print("\n");
+ // INITIALIZE CASH ASSETS:C
+ c = 10000;
+ z5 = 0;
+ // PRINT INITIAL PORTFOLIO
+ print("STOCK\t \t\t\tINITIALS\tPRICE/SHARE\n");
+ print("INT. BALLISTIC MISSILES\t\t IBM\t\t" + sa[1] + "\n");
+ print("RED CROSS OF AMERICA\t\t RCA\t\t" + sa[2] + "\n");
+ print("LICHTENSTEIN, BUMRAP & JOKE\t LBJ\t\t" + sa[3] + "\n");
+ print("AMERICAN BANKRUPT CO.\t\t ABC\t\t" + sa[4] + "\n");
+ print("CENSURED BOOKS STORE\t\t CBS\t\t" + sa[5] + "\n");
+ while (1) {
+ print("\n");
+ // NYSE AVERAGE:Z5; TEMP. VALUE:Z4; NET CHANGE:Z6
+ z4 = z5;
+ z5 = 0;
+ t = 0;
+ for (i = 1; i <= 5; i++) {
+ z5 += sa[i];
+ t += sa[i] * pa[i];
+ }
+ z5 = Math.floor(100 * (z5 / 5) + 0.5) / 100;
+ z6 = Math.floor((z5 - z4) * 100 + 0.5) / 100;
+ // TOTAL ASSETS:D
+ d = t + c;
+ if (x9 <= 0) {
+ print("NEW YORK STOCK EXCHANGE AVERAGE: " + z5 + "\n");
+ } else {
+ print("NEW YORK STOCK EXCHANGE AVERAGE: " + z5 + " NET CHANGE " + z6 + "\n");
+ }
+ print("\n");
+ t = Math.floor(100 * t + 0.5) / 100;
+ print("TOTAL STOCK ASSETS ARE $" + t + "\n");
+ c = Math.floor(100 * c + 0.5) / 100;
+ print("TOTAL CASH ASSETS ARE $" + c + "\n");
+ d = Math.floor(100 * d + 0.5) / 100;
+ print("TOTAL ASSETS ARE $" + d + "\n");
+ print("\n");
+ if (x9 != 0) {
+ print("DO YOU WISH TO CONTINUE (YES-TYPE 1, NO-TYPE 0)");
+ q9 = parseInt(await input());
+ if (q9 < 1) {
+ print("HOPE YOU HAD FUN!!\n");
+ return;
+ }
+ }
+ // INPUT TRANSACTIONS
+ while (1) {
+ print("WHAT IS YOUR TRANSACTION IN\n");
+ print("IBM");
+ za[1] = parseInt(await input());
+ print("RCA");
+ za[2] = parseInt(await input());
+ print("LBJ");
+ za[3] = parseInt(await input());
+ print("ABC");
+ za[4] = parseInt(await input());
+ print("CBS");
+ za[5] = parseInt(await input());
+ print("\n");
+ // TOTAL DAY'S PURCHASES IN $:P5
+ p5 = 0;
+ // TOTAL DAY'S SALES IN $:S5
+ s5 = 0;
+ for (i = 1; i <= 5; i++) {
+ za[i] = Math.floor(za[i] + 0.5);
+ if (za[i] > 0) {
+ p5 += za[i] * sa[i];
+ } else {
+ s5 -= za[i] * sa[i];
+ if (-za[i] > pa[i]) {
+ print("YOU HAVE OVERSOLD A STOCK; TRY AGAIN.\n");
+ break;
+ }
+ }
+ }
+ if (i <= 5)
+ contine;
+ // TOTAL VALUE OF TRANSACTIONS:T5
+ t5 = p5 + s5;
+ // BROKERAGE FEE:B5
+ b5 = Math.floor(0.01 * t5 * 100 + 0.5) / 100;
+ // CASH ASSETS=OLD CASH ASSETS-TOTAL PURCHASES
+ // -BROKERAGE FEES+TOTAL SALES:C5
+ c5 = c - p5 - b5 + s5;
+ if (c5 < 0) {
+ print("YOU HAVE USED $" + (-c5) + " MORE THAN YOU HAVE.\n");
+ continue;
+ }
+ break;
+ }
+ c = c5;
+ // CALCULATE NEW PORTFOLIO
+ for (i = 1; i <= 5; i++) {
+ pa[i] += za[i];
+ }
+ // CALCULATE NEW STOCK VALUES
+ randomize_initial();
+ // PRINT PORTFOLIO
+ // BELL RINGING-DIFFERENT ON MANY COMPUTERS
+ print("\n");
+ print("********** END OF DAY'S TRADING **********\n");
+ print("\n");
+ print("\n");
+ if (x9 >= 1) ;
+ print("STOCK\tPRICE/SHARE\tHOLDINGS\tVALUE\tNET PRICE CHANGE\n");
+ print("IBM\t" + sa[1] + "\t\t" + pa[1] + "\t\t" + sa[1] * pa[1] + "\t" + ca[1] + "\n");
+ print("RCA\t" + sa[2] + "\t\t" + pa[2] + "\t\t" + sa[2] * pa[2] + "\t" + ca[2] + "\n");
+ print("LBJ\t" + sa[3] + "\t\t" + pa[3] + "\t\t" + sa[3] * pa[3] + "\t" + ca[3] + "\n");
+ print("ABC\t" + sa[4] + "\t\t" + pa[4] + "\t\t" + sa[4] * pa[4] + "\t" + ca[4] + "\n");
+ print("CBS\t" + sa[5] + "\t\t" + pa[5] + "\t\t" + sa[5] * pa[5] + "\t" + ca[5] + "\n");
+ x9 = 1;
+ print("\n");
+ print("\n");
+ }
+}
+
+main();