downPayment = price * downPaymentRatio; loanAmount = price - downPayment; numPayments = loanTerm * 12; monthlyInterestRate = interestRate / 12; monthlyPayment = monthlyPayment; 解析这段代码
时间: 2023-05-24 18:06:00 浏览: 44
这段代码是用于计算房屋按揭贷款的月还款额的。
- downPaymentRatio:首付款比例。
- price:房屋总价。
- downPayment:首付款金额。
- loanAmount:贷款总额。
- numPayments:贷款期数,按月计算。
- interestRate:贷款利率。
- monthlyInterestRate:月利率。
- monthlyPayment:每月还款额。
具体的计算步骤如下:
- 首先按照首付款比例计算出首付款金额:downPayment = price * downPaymentRatio;
- 然后计算贷款金额:loanAmount = price - downPayment;
- 根据贷款期限计算出贷款期数:numPayments = loanTerm * 12;
- 将贷款利率转化为月利率:monthlyInterestRate = interestRate / 12;
- 最后根据公式:monthlyPayment = loanAmount * monthlyInterestRate / (1 - (1 + monthlyInterestRate)^(-numPayments)),计算出每月还款额。
相关问题
%% 根据贷款方案计算购房方案 downPayment = price * downPaymentRatio; loanAmount = price - downPayment; numPayments = loanTerm * 12; monthlyInterestRate = interestRate / 12; monthlyPayment = monthlyPayment; % 或者根据贷款计算公式计算出每月还款金额解析这段代码
Null refers to the absence or non-existence of something. It can also be used to represent a value or a pointer that has no assigned or meaningful data. In computer programming, null is often used to indicate that a variable or object has no value, or that a pointer does not reference a valid memory location.
编写程序计算在给定利率、指定年数的情况下投资的未来值。这个计算公式如下。 使用文本域输入投资额、年份和利率。当用户单击“calculate”按钮时,在文本域中显示未来的投资值 futureVaule = inverestmentAmount * (1 + monthlyInterestRate) ** (years * 12)
以下是使用 Python 语言编写的程序,实现了上述功能:
```python
investmentAmount = float(input("请输入投资额:"))
years = int(input("请输入投资年数:"))
interestRate = float(input("请输入年利率(例如0.05):"))
monthlyInterestRate = interestRate / 12
futureValue = investmentAmount * (1 + monthlyInterestRate) ** (years * 12)
print("未来的投资值是:", futureValue)
```
这个程序首先要求用户输入投资额、投资年数和年利率。然后,程序将年利率转换为月利率,并使用给定的公式计算未来投资值。最后,程序将未来投资值输出到屏幕上。用户可以根据需要多次运行此程序,以计算不同的投资方案的未来值。