銆?/p>
Visual FoxPro
绋嬪簭璁捐瀹炰範鏁欑▼涓庝範棰橀泦銆?
(
绗?/p>
2
鐗?/p>
)
銆婂疄涔犳暀绋嬨�?/p>
绗?/p>
1
鍗曞厓
Visual FoxPro
鍩烘湰鎿嶄綔
(
鍙傝�冪瓟妗?/p>
)
1
锛庡埄鐢ㄥ鍏惰祴鍊肩殑鏂规硶锛屽垽瀹氫笅鍒楀瓧绗︿覆鏄惁涓哄悎娉曠殑鍐呭瓨鍙橀噺鍚嶃�?/p>
1
锛?/p>
X1
锛?/p>
X(1
锛?/p>
锛?/p>
X*
锛?/p>
X
鈥?/p>
锛?/p>
X_1
锛?/p>
1X
鎵ц璧嬪�煎懡浠わ細
X1=3
锛屾垨
STORE 3 TO X1
锛岀郴缁熸病鏈変换浣曢敊璇樉绀猴紝鐭?/p>
X1
涓哄悎娉曠殑鍐呭瓨鍙橀噺鍚嶃�?/p>
绫讳技鍦帮紝
X_1
涔熶负鍚堟硶鐨勫唴瀛樺彉閲忓悕锛屽叾浣欎负涓嶅悎娉曘�?/p>
2
锛夊彉閲忥紝鍙?/p>
閲忥紝鍙橀噺
X
锛屽彉閲?/p>
1
锛屽彉閲?/p>
_1
鍒╃敤涓婇潰鐨勬柟娉曞彲浠ュ垽瀹氾細鍙橀噺锛屽彉閲?/p>
X
锛屽彉閲?/p>
1
锛屽彉閲?/p>
_1
涓哄悎娉曞唴瀛樺彉閲忓悕锛屽叾浣欎笉鍚堟硶銆?/p>
2
锛庤绠楀苟鏄剧ず涓嬮潰鍚勯鐨勭粨鏋溿�?/p>
1
锛夊垎鍒埄鐢ㄥ嚱鏁?/p>
(MOD)
鍜岃繍绠?/p>
(%)
锛屾眰鍑?/p>
987654321
闄や互
123456789
鐨勪綑鏁般�?/p>
鍒╃敤鍑芥暟锛?/p>
? MOD(987654321,123456789)
鏄剧ず
: 9
鍒╃敤杩愮畻锛?/p>
? 987654321%123456789
鏄剧ず
: 9
2
锛夎嫢
X=5.1249
锛屾眰
2
X
涓?/p>
X
2
鐨勬渶灏忓�笺�?/p>
鍛戒护
: X=5.1249
? MIN(2^X,X^2)
鏄剧ず
: 26.2646
3)
璁撅細
a=1
锛?/p>
b=4
锛?/p>
c=3
锛岃绠椾竴鍏冧簩娆℃柟绋嬶細
aX
2
+bX+c=0
鐨勪袱涓牴銆?/p>
鍛戒护
: a=1
b=4
c=3
? (-b+SQRT(b^2-4*a*c))/(2*a)
鏄剧ず
: -1.0000
? (-b-SQRT(b^2-4*a*c))/(2*a)
鏄剧ず
: -3.0000
4
锛?/p>
璁?/p>
C1=
鈥?/p>
AB
鈥?/p>
锛?/p>
C2=SPACE(2
锛?/p>
锛?/p>
C3=str(3.14,5,2
锛?/p>
锛屼笖
A1=C1+C2+C3
锛?/p>
A2=trim(C1+C2-C3
锛?/p>
姹?/p>
A1
鍜?/p>
A2
鐨勯暱搴︺�?/p>
鍛戒护
: C1=
鈥?/p>
AB
鈥?/p>
C2=SPACE(2)
C3=STR(3.14,5,2)
A1=C1+C2+C3
A2=TRIM(C1+C2-C3)
?LEN(A1)
鏄剧ず
:9
?LEN(A2)
鏄剧ず
:7
5
锛夎
C1= SPACE(2
锛?/p>
锛?/p>
C2=
鈥?/p>
ABC
鈥?/p>
,C3=SPACE(3
锛?/p>
锛屼笖
A1=C1+C2+C3
锛?/p>
A2=trim(C1+C2+C3
锛?/p>
,
A3=ltrim(C1+C2+C3), A4=alltrim(C1+C2+C3)
姹?/p>
A1
銆?/p>
A2
銆?/p>
A3
銆?/p>
A4
鐨勯暱搴︺�?/p>
鍛戒护
: C1=SPACE(2)
C2=
鈥?/p>
ABC
鈥?/p>
C3=SPACE(3)
A1=C1+C2+C3
A2=trim(C1+C2+C3)
A3=ltrim(C1+C2+C3)
A4=alltrim(C1+C2+C3)
?LEN(A1)
鏄剧ず
:8
?LEN(A2)
鏄剧ず
:5
?LEN(A3)
鏄剧ず
:6
?LEN(A4)
鏄剧ず
:3
6
锛夎
A=
鈥?/p>
寰瀷璁＄畻鏈?/p>
鈥?/p>
锛屽埄鐢ㄥ嚱鏁?/p>
SUBSTR
鍜?/p>
A
琛ㄧず瀛楃涓?/p>
鈥?/p>
寰満
鈥?/p>
銆?/p>
鍛戒护锛?/p>
A=
鈥?/p>
寰瀷璁＄畻鏈?/p>
鈥?/p>
? SUBSTR(A,1,2) + SUBSTR(A,9,2)
鏄剧ず
:
寰満