乙班HTML_CSS_Javascript_Java_Python

python tkinter create_line利用tkinter繪圖 def pv(r,n,m,f):#劉任昌函數參數r,n,m,f p = m/r*(1 - 1/(1+r)**n)+f/(1+r)**n return p#執行函數的結果傳回去 n=float(input('期數: '))#要計算轉為實數real nubers m=float(input('收付: '))#浮點點float f=float(input('終值: ')) for i in range(1,10):#迴圈 r = i*0.01 x=pv(r,n,m,f) print('利率 ', r ,'價格 ', x) import tkinter as tk#輸入tkinter繪圖 root = tk.Tk() root.title('劉任昌python tkinter') root.geometry('600x300')#寬度width改成600 canvas = tk.Canvas(root, width=600, height=300) # 加入 Canvas 畫布 canvas.pack() x, y = 0, 0 canvas.create_line(0, 200, 500, 200, width=3,fill='black') for x in range(1, 200): x1 = x+1 y1 = 200 - pv(x1,n,m,f)*200 canvas.create_line(x, y, x1, y1, width=5,fill='blue') canvas.pack() x = x1 y = y1 root.mainloop() SPYDER執行結果

PYTHON計算現值PRESENT VALUE程式碼 def computePV(): #python def函數: {} r = float(input('輸入利率: '))#float轉為實數 n = float(input('輸入期數: ')) m = float(input('輸入每期金額: ')) f = float(input('輸入終值: ')) pvif = 1/(1+r)**n pv = (1-pvif)*m/r + f * pvif print('現值等於 ',pv) #前面我們用Javascript這裡python #function: def #{區段} 同一個縮排indent同一個區段 computePV() 我會使用上面的PYTHON也會使用下面的JAVASCRIPT 月利率y(rate) 期數n(nper) 每月還款金額(pmt) 終值f(fv) 參考劉任昌金融市場講義https://drive.google.com/file/d/17z6UZgN5fC2XCO1L8_BQs57dgQXzbwou/view?usp=sharing 劉任昌學習HTML+CSS+JavaScript程式碼

Javascript在網頁就可以執行不需要開啟Spyder sin執行 cos執行 橫軸 以上程式碼 <style>BUTTON{BORDER:GREEN 5PX SOLID;BORDER-RADIUS:30PX;}</style> <h1>Javascript在網頁就可以執行不需要開啟Spyder</h1> <button onclick="LHsin()">sin執行</button> <button onclick="LHcos()">cos執行</button> <button onclick="xLine()">橫軸</button> <canvas height="400" id="my" style="background: black;" width="1200"></canvas> <script> var c = document.getElementById("my"); var cty = c.getContext("2d"); var g = 0.01;//增加一個廣域變數,用在下面的Math.sin(g*x); var h = 195; function LHsin() { var x = 0; var y = 200; cty.beginPath();  cty.lineWidth = 5;  cty.moveTo(x,y); while (x < 1000){   x = x + 1;   y = 200 - h * Math.sin(g*x);   cty.lineTo(x, y);   cty.strokeStyle = "yellow";   cty.stroke();    }; } function LHcos() { var x = 0; var y = 200-h;//上面的sin是y =200這裡要改掉 cty.beginPath();  cty.l...

Javascript在網頁就可以執行不需要開啟Spyder sin執行 cos執行 橫軸 以上程式碼 <style>BUTTON{BORDER:GREEN 5PX SOLID;BORDER-RADIUS:30PX;}</style> <h1>Javascript在網頁就可以執行不需要開啟Spyder</h1> <button onclick="LHsin()">sin執行</button> <button onclick="LHcos()">cos執行</button> <button onclick="xLine()">橫軸</button> <canvas height="400" id="my" style="background: black;" width="1200"></canvas> <script> var c = document.getElementById("my"); var cty = c.getContext("2d"); var g = 0.01;//增加一個廣域變數,用在下面的Math.sin(g*x); var h = 180; function LHsin() { var x = 0; var y = 200; cty.beginPath();  cty.lineWidth = 5;  cty.moveTo(x,y); while (x < 1000){   x = x + 1;   y = 200 - h * Math.sin(g*x);   cty.lineTo(x, y);   cty.strokeStyle = "yellow";   cty.stroke();    }; } function LHcos() { var x = 0; var y = 200-h;//上面的sin是y =200這裡要改掉 cty.beginPath();  cty.l...

Javascript在網頁就可以執行不需要開啟Spyder 劉任昌執行 以上程式碼 <STYLE>BUTTON{BORDER:GREEN 5PX SOLID;BORDER-RADIUS:30PX;}</STYLE> <h1>Javascript在網頁就可以執行不需要開啟Spyder</h1> <button onclick="LH()">劉任昌執行</button> <canvas height="400" id="my" style="background: black;" width="1200"></canvas> <script> function LH() { var c = document.getElementById("my"); var cty = c.getContext("2d"); var x = 0; var y = 200; var h = 100; cty.beginPath(); cty.lineWidth = 5; cty.moveTo(x,y); while (x < 1000){ x = x + 1; y = 200 - h * Math.sin(0.2*x); cty.lineTo(x, y); cty.strokeStyle = "yellow"; cty.stroke(); }; } </script>

程式碼 from tkinter import * #或者import tkinter as tk import math #第9列(z1=10), 13列(廣域變數),插入16列cos,插入18繪圖 tk = Tk() #建構視窗名為tk tk.geometry('1200x400') tk.title("劉任昌python tkinter三角函數") canvas = Canvas(tk, width=1200, height=400, bg='black') canvas.grid(row=0,column=0,padx=5,pady=5,columnspan=3) delay=20 # milliseconds, 1/1000秒 x1,y1,z1=0,200,10 #Python特徵: 多變數=多個值 h=190 #上下範圍 Youtube禁止適用影醒網頁的命令 degree=0 #角度degree def LauHou(): l0=canvas.create_line(0,200,1200,200,fill='white',width=3) global x1, y1, z1 x2 = x1 + 1 y2=200 - h*math.sin(0.02*x2)#座標從左上角0.... z2=200 - h*math.cos(0.02*x2) l1=canvas.create_line(x1,y1,x2,y2,fill='red',width=5) l2=canvas.create_line(x1,z1,x2,z2,fill='yellow',width=5) if (x2

劉任昌按鈕 網頁和微軟WORD相同的命令document.paragraph DIVISION區塊