iphone下的功能金融计算器【源代码】

// // CalculatorViewController.h // Calculator // // Created by Yingyu on 11-5-31. // Copyright 2011 __MyCompanyName__. All rights reserved. // #import <UIKit/UIKit.h> #import <math.h> #define clearBtn 1 // C #define backBtn 2 // ← #define plusBtn 3 // + #define subBtn 4 // - #define mulBtn 5 // x #define divBtn 6 // ÷ #define sqrXBtn 7 // xⁿ #define radsigXBtn 8 // ⁿ√x #define equalBtn 9 // = #define dotBtn 10 // . #define signBtn 11 // +/- #define sqr2Btn 12 // x² #define radsig2Btn 13 // √x #define logeBtn 14 // ln #define log10Btn 15 // log #define expBtn 16 // eⁿ #define tensqrBtn 17 // 10ⁿ #define percBtn 18 // % #define fracBtn 19 // 1/x #define cptBtn 20 // CPT #define nBtn 21 // N #define iyBtn 22 // I/Y #define pvBtn 23 // PV #define pmtBtn 24 // PMT #define fvBtn 25 // FV #define cfBtn 26 // CF #define npvBtn 27 // NPV #define irrBtn 28 // IRR #define amortBtn 29 // AMORT #define enterBtn 30 // ENTER #define upBtn 31 // ↑ #define downBtn 32 // ↓ #define mrBtn 33 // mr #define mplusBtn 34 // m+ #define msubBtn 35 // m- #define secBtn 36 // 2nd #define clrtvmBtn 37 // CLR TVM #define clrcfBtn 38 // CLR CF @interface CalculatorViewController : UIViewController { UITextField *display; UILabel *showFoperator; UILabel *showSpecial; UIButton *sqrXButton; UIButton *radsigXButton; UIButton *expButton; UIButton *tensqrButton; UIButton *fracButton; UIButton *msubButton; UIButton *clrtvmButton; UIButton *clrcfButton; BOOL bBegin; BOOL backOpen; BOOL cptOpen; BOOL secOpen; double fstOperand; double sumOperand; double tvmOperand; double mrOperand; double tvN,tvIy,tvPv,tvPmt,tvFv; NSString *operator; } @property (nonatomic, retain) IBOutlet UITextField *display; @property (nonatomic, retain) IBOutlet UILabel *showFoperator; @property (nonatomic, retain) IBOutlet UILabel *showSpecial; @property (nonatomic, retain) IBOutlet UIButton *sqrXButton; @property (nonatomic, retain) IBOutlet UIButton *radsigXButton; @property (nonatomic, retain) IBOutlet UIButton *expButton; @property (nonatomic, retain) IBOutlet UIButton *tensqrButton; @property (nonatomic, retain) IBOutlet UIButton *fracButton; @property (nonatomic, retain) IBOutlet UIButton *msubButton; @property (nonatomic, retain) IBOutlet UIButton *clrtvmButton; @property (nonatomic, retain) IBOutlet UIButton *clrcfButton; - (void)clearDisplay; // 初始化清屏方法声明 - (void)backSpace; // 退格方法声明 - (void)inputDoubleOperator: (NSString *)dbopt; // 双操作数运算方法声明 - (void)addDot; // 增加.方法声明 - (void)addSign; // 增加+/-方法声明 - (void)inputSingleOperator: (NSString *)sgopt; // 单操作数运算方法声明 - (void)cptOperator; // CPT求值方法声明 - (void)inputTimeValueOperator: (NSString *)tvopt; // tv金融运算方法声明 - (void)numberMemory: (NSString *)nmopt; // 操作数保留方法声明 - (void)secKey; // 2nd切换按键方法声明 - (void)clearTvm; // 清空tvm变量方法声明 - (void)clearCf; // 清空cf变量方法声明 - (void)inputNumber: (NSString *)nbstr; // 数字输入方法声明 - (IBAction)buttonClicked:(id)sender; // 按键管理事件声明 @end