卡西欧计算器编程案例【计算方位角】

晚风习习 · 发表于 2026-1-27 22:37:32

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<img src="data/attachment/forum/202601/27/221945i6lna4m33y60dp40.webp" alt="1.webp" title="卡西欧计算器外观" />
<h4>fx-9860GII</h4>
<img src="data/attachment/forum/202601/27/222512sbhuhbhgqxfqbz4r.webp" alt="2.webp" title="2.webp" />
<ul>
<li>显示：采用高分辨率LCD，64×128点阵，可清晰显示公式、图形。支持自然格式方程输出，如分数、指数、对数等显示与教科书一致。</li>
<li>功能：具备直角坐标绘图、极坐标绘图、参数函数绘图、不等式绘图等多种绘图功能。支持矩阵计算、复数计算、统计分析、金融计算等，还具有编程功能。</li>
<li>存储：用户内存62000字节，用户存储内存1.5MB。</li>
<li>硬件：配备高速CPU，处理速度快。支持USB数据通信，可与计算机或其他计算器传输数据。</li>
</ul>
<h4>fx-9860GIII</h4>
<img src="data/attachment/forum/202601/27/222520rsjm8lyxr1eq0jr0.webp" alt="3.webp" title="3.webp" />
<ul>
<li>显示：大显示屏，128×64点阵，高分辨率LCD，有背光，支持自然格式显示。</li>
<li>功能：函数计算功能超2900个，包括基本计算、高级计算、金融计算等。具备统计绘图、几何图形绘制编辑、Python编程等功能，还支持考试模式。</li>
<li>存储：用户内存62000字节，用户存储器3MB。</li>
<li>硬件：尺寸为175.5×83.5×18.7mm，重量约190g，使用4节七号电池供电，电池续航约230小时。</li>
</ul>
<h4>c语言编写一个简单的方位角计算程序</h4>
<blockquote>
原作者：https://www.cncalc.org/thread-12394-1-1.html 
chuxianbing
</blockquote>
<pre><code class="language-c">#include "string.h"
#include "ctype.h"
#include "mathf.h"
#include <stdlib.h>
#include <stdio.h>
#include <fxlib.h>
#include <math.h>
#include <stdarg.h>
#include <dispbios.h>
</code></pre>
<pre><code class="language-c">int cur_row=1;
char buf[256]={0};
double a,b,c,d,e,f,g,h,i,j,k,l,m,n;
unsigned char *sp1=" ";
void message(char *msg)//send message
{
locate(1,8);
Print(sp1);
Print((unsigned char *)msg);
}

int printf(const char *cpFormat, ...)//show string in current line
{
char cpBuffer[300]={0};
int i=0;
va_list pArgList;
va_start(pArgList, cpFormat);
vsprintf(cpBuffer, cpFormat, pArgList);
va_end(pArgList);
cpBuffer[299]=0;
if(cur_row>7)
{
 int x,y,dot;
 for(x=0;x<=127;x++)
 for(y=0;y<=55;y++)
 Bdisp_SetPoint_VRAM (x,y,Bdisp_GetPoint_VRAM(x,y+8));
 Bdisp_PutDisp_DD;
 cur_row=7;//current line
 }
//clean up screen below current line
for (i=cur_row;i<=8;i++)
{
 locate(1,i);
 Print(sp1);
}
locate(1,cur_row);
Print((unsigned char *)cpBuffer);
cur_row++;
return cur_row;
}
</code></pre>
<pre><code class="language-c">void cls()
{
int i=0;
cur_row=1;
for (i=1;i<=8;i++)
{
 locate(1,i);
 Print(sp1);
}
}
void pause()
{
unsigned int key;
locate(1,8);
Print((unsigned char *)" - Disp -");
do
{
 GetKey(&key);
}
while(!key);
}
//file system"\\\\fls0\\" "\\\\crd0\\"
FONTCHARACTER *ToFileName(const char *f1)
{
 static FONTCHARACTER f2[50]={0};
 int p=0;
 while(f2[p]=f1[p])p++;
 return f2;
}

int CloseFile(int Handle)
{
 return Bfile_CloseFile(Handle);
}
int OpenFile(char *FileName)
{
 return Bfile_OpenFile(ToFileName(FileName),_OPENMODE_READ_SHARE);
}

int ReadFile( int handle, char *buf, int Size, int ReadPos)
{
 return Bfile_ReadFile(handle,buf,Size,ReadPos);
}
int WriteFile(int handle ,char *buf,int size)
{
 return Bfile_WriteFile(handle,buf,size);
}
int SeekFile(int handle,int pos)
{
 return Bfile_SeekFile(handle,pos);
}
int FileSize(int handle){
 return Bfile_GetFileSize(handle);
}
int CreateFile( char *FileName, int size)
{
return Bfile_CreateFile( ToFileName(FileName), size);
}
int DeleteFile(char *FileName)
{
return Bfile_DeleteFile(ToFileName(FileName));
}
//==========angle fuction=============================
double dfmtod(double dfm)
{
double a,b,c,temp;
while(dfm<0)dfm+=360;
while(dfm>=360)dfm-=360;
a=(int)dfm;
temp=(dfm-a)*100;
b=(int)temp;
c=(temp-b)*100;
return (a+b/60+c/60/60);
}
double dtodfm(double d)
{
double a,b,c,temp;
while(d<0)d+=360;
while(d>=360)d-=360;
a=(int)d;
temp=(d-a)*60;
b=(int)temp;
c=(temp-b)*60;
return(a+b/100+c/10000);
}
double deg(double x)// change to deg
{
return (180*x/3.1415926535);
}
double rad(double x) // change to rad
{
return (x/180*3.1415926535);
}
double pol(double x1,double y1)// get azimuth
{
double d1=sqrt(x1*x1+y1*y1);
double c1=acos(x1/d1);
if(y1<0)c1=-c1;
return c1;
}
</code></pre>
//=====input data==============================
<pre><code class="language-c">double input(double num){
const int len = 14;
unsigned int key;
char c[30]={0},ds[30];
//sprintf(c,"%.4f", num);

if(cur_row>7)
{
 {
 int x,y,dot;
 for(x=0;x<=127;x++)
 for(y=0;y<=55;y++)
 Bdisp_SetPoint_VRAM (x,y,Bdisp_GetPoint_VRAM(x,y+8));
 Bdisp_PutDisp_DD;
 }
 cur_row=7;
}
for (i=cur_row;i<=8;i++)
{
 locate(1,i);
 Print(sp1);
}
goto start;
while (1){
 int n=strlen(c);
 GetKey(&key);
 switch(key)
 {
 case KEY_CTRL_EXE:

 if (c[0]) {
 locate(1,cur_row);
 sprintf(ds,"%s ",c);
 Print((unsigned char*)ds);
 cur_row++;
 return atof(c);
 }
 else{
 locate(1,cur_row);
 sprintf(ds,"%.4f ",num);
 Print((unsigned char*)ds);
 cur_row++;
 return num;
 }
 case KEY_CTRL_AC:
 c[0]=0;
 break;
 case KEY_CTRL_DEL:
 if(n)c[n-1]=0;
 break;
 case KEY_CHAR_0:
 case KEY_CHAR_1:
 case KEY_CHAR_2:
 case KEY_CHAR_3:
 case KEY_CHAR_4:
 case KEY_CHAR_5:
 case KEY_CHAR_6:
 case KEY_CHAR_7:
 case KEY_CHAR_8:
 case KEY_CHAR_9:
 if(n<len){
 c[n]=key;
 c[n+1]=0;
 }
 break;
 case KEY_CHAR_DP:
 if(!strchr(c, '.') && n<len){
 c[n]='.';
 c[n+1] = 0;
 }
 break;
 case KEY_CHAR_MINUS:
 case KEY_CHAR_PMINUS:
 if (c[0] == '-'){
 char buf[30]={0};
 strcpy(buf,c);
 strcpy(c,buf+1);
 }
 else if(n<len) {
 char buf[30]={0};
 strcpy(buf,c);
 sprintf(c,"-%s",buf);
 }
 break;
 }
 start:
 locate(1,cur_row);
 sprintf(ds,"%s_ ",c);
 Print((unsigned char*)ds);
}
}
int area_clear(int left, int top, int right, int bottom, int sel)
{
DISPBOX box;
box.left=left;
box.top=top;
box.right=right;
box.bottom=bottom;
if (sel)
{
 //drawing dox
 Bdisp_DrawLineVRAM (left , top , right, top);
 Bdisp_DrawLineVRAM (left , bottom, right, bottom);
 Bdisp_DrawLineVRAM (left , top , left , bottom);
 Bdisp_DrawLineVRAM (right, top , right, bottom);
}
//clear area
else Bdisp_AreaClr_DDVRAM (&box);
}
//drawing menu
int menu (char *buf){ //tab split buf;
 int rows=n,i=0,j=0,index=0;
 unsigned key=0;
 char s[10][50]={0};
 int n=sscanf(buf,"%s%s%s%s%s%s%s%s%s%s",s[0],s[1],s[2],s[3],s[4],s[5],s[6],s[7],s[8],s[9]);

if (n<3|| n>10)return 0;
for(i=0;i<n;i++)s[i][19]=0;
Bdisp_PutDisp_DD();
SaveDisp( SAVEDISP_PAGE1);
area_clear(4,1,125,63,0);
area_clear(4,1,124,63,2);
Bdisp_DrawLineVRAM (125, 2, 125, 63);
Bdisp_DrawLineVRAM (4, 12, 124, 12);
PrintXY(7,3,(unsigned char*)s[0],0);

index=1;
while(1)
{
 if(index>=n)index=1;
 if(index<1)index=n-1;
 j=index>=7?7:1;
 for(i=j;i<=j+5;i++)
 {
 int x,y,sel;
 char buf[22];
 x=7;
 y=(i-j)*8+14;
 sel=(index!=i?0:1);
 if (i<n) sprintf(buf,"%-19s",s[i]);
 else sprintf(buf,"%-19s"," ");
 PrintXY(x,y,(unsigned char *)buf,sel);
 }
 GetKey(&key);
 switch(key){
 case KEY_CTRL_UP:
 case KEY_CTRL_LEFT:
 index--;
 break;
 case KEY_CTRL_DOWN:
 case KEY_CTRL_RIGHT:
 index++;
 break;
 case KEY_CTRL_EXE:
 case KEY_CTRL_F1:
 RestoreDisp (SAVEDISP_PAGE1);
 Bdisp_PutDisp_DD();
 return(index);
 }
}
}
double jf_cos(double A1,double B1,double C1,double X2){
double t1, t2, S2=0.0, S1, eps=0.00001;
double ep=100;
if (A1)
{
 double h=X2;
 double temp1=C1;
 double temp2=A1*X2*X2+B1*X2+C1;
 {
 S1=t1=h*(cosf(temp1)+cosf(temp2))/2.0;
 while (ep>=eps)
 {
 double p=0;
 int n=1, k=0;
 for (k=0;k<n;k++)
 {
 int x=(k+0.5)*h;
 temp1=A1*x*x+B1*x+C1;
 p+=cosf(temp1);
 }
 t2=(t1+h*p)/2;
 S2=(4.0*t2-t1)/3;
 ep=fabs(S2-S1);
 t1=t2; S1=S2;
 n=n+n; h=h/2;
 }
 }
}
else if (B1) S2=(sinf(B1*X2+C1)-sinf(C1))/B1;
else S2=cosf(C1)*(X2);
return S2;
}
double jf_sin(double A1,double B1,double C1,double X2)
{
return jf_cos(A1,B1,C1-1.570796,X2);
}
</code></pre>
<pre><code class="language-c">int AddIn_main(int isAppli, unsigned short OptionNum)
{
double x1=0,y1=0,x2=0,y2=0;
double ret=0;
char buf[300]={0};
//==========================================
cls();

printf("X1=%.4f",x1);
x1=input(x1);

printf("Y1=%.4f",y1);
y1=input(y1);

while(1)
{
cls();

printf("X2=%.4f",x2);
x2=input(x2);

printf("Y2=%.4f",y2);
y2=input(y2);
ret=pol(x2-x1,y2-y1);
printf("Angle=%.4f",ret);
pause();
sprintf(buf,"=======Result==========\tX1=%.4f\tY1=%.4f\tX2=%.4f\tY2=%.4f\tAngle=%.4f\t===================Exit\tHelp\tAbout",x1,y1,x2,y2,ret);
menu(buf);
}
return 1;
}
//****************************************************************************
//************** ****************
//************** Notice! ****************
//************** ****************
//************** Please do not change the following source. ****************
//************** ****************
//****************************************************************************

#pragma section _BR_Size
unsigned long BR_Size;
#pragma section

#pragma section _TOP

//****************************************************************************
// InitializeSystem
//
// param : isAppli : 1 = Application / 0 = eActivity
// OptionNum : Option Number (only eActivity)
//
// retval : 1 = No error / 0 = Error
//
//****************************************************************************
int InitializeSystem(int isAppli, unsigned short OptionNum)
{
return INIT_ADDIN_APPLICATION(isAppli, OptionNum);
}

#pragma section
</code></pre>
以上代码未经过本站实验验证，有兴趣的同学可以尝试解读以下，必定有所收获！

拒绝内卷 · 发表于 2026-1-27 22:38:15

💡 这个小技巧太实用了，解决了我的大问题

[计量通用] 卡西欧计算器编程案例【计算方位角】

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[计量通用] 卡西欧计算器编程案例【计算方位角】

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