1、利用公式求有规律的数列。用循环语句和通项公式实现。如菲波那切数列。
这个数列从第三项开始，每一项都等于前两项之和它的通项公式为:
[（1＋√5）/2]^n /√5 － [（1－√5）/2]^n /√5
Private Sub Command1_Click()
Dim m As Double , s as Double
m = 0
For n = 1 To 50
s = ((1 + Sqr(5)) / 2) ^ n / Sqr(5) - ((1 - Sqr(5)) / 2) ^ n / Sqr(5)
Print s
m = m + s
Next
Print m
End Sub
Private Sub Command2_Click()
Dim a(50) As Double
a(1) = 1
a(2) = 1
For i = 3 To 50
a(i) = a(i - 2) + a(i - 1)
Next
For i = 1 To 50
Print a(i)
Next
End Sub
2、打印图形题目：三角形，用字母或数字表示三角形。
如： A
B B
C C C
3、利用数学公式求函数或常数。如利用公式求 e
e=1+1/1!+1/2!+1/3!+.....+1/n!
Public Function jc(n) As Double
Dim m As Double
m = 1
For i = 1 To n
m = m * i
Next i
jc = m
End Function
Private Sub Command1_Click()
e = 1
For i = 1 To Val(Text1.Text)
e = e + 1 / jc(i)
Next i
Text1.Text = "e=" & e
End Sub
Private Sub Form_Load()
Label1 = "请输入1---170之间的数求："
Label2 = "e=1+1/1!+1/2!+1/3!+...+1/n!"
End Sub
4、求一个数能被另一个整除的问题，并进行相关计算 。如求“完数”
Private Sub Command1_Click()
'一个数如果恰好等于除它本身外的因子之和，这个数就称为"完数"。例如6=1＋2＋3.(6的因子是1,2,3)
Dim a() As Integer
Dim b As Integer, n As Integer
n = InputBox("请输入一个整数：", "完数判断")
m = 0
For i = 1 To n - 1
If b If n / i = Int(n / i) Then
m = m + 1
ReDim Preserve a(m)
a(m) = i
End If
Next i
b = 0
For j = 1 To m
b = b + a(j)
Next j = n Then
Print n; "是个完数"
Else
Print n; "不是完数"
End If
For j = 1 To m
Print a(j);
Next j
Print "="; b
End Sub
5、求一组数的最大、最小值
6、解方程题目：包括一元一次方程、二元一次方程
7、求一个正整数的每一位数字，并进行相关计算。如逆序显示，求每位数字和、积的运算
8、输入字符串，统计输入字符的种类。包括大写、小写字母、数字、其他字符。
