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| program menu15;
uses crt;
const
NORMAL=$2;
SELECT=$4;
N=3;
K=7;
var
menu:array [1..K] of string[20];
punkt:integer;
ch:char;
x,y:integer;
gd,gm:integer;
{--------— 1 PROGRAMM —--------}
procedure first_programm;
begin
clrscr;
writeln('FIRST PROGRAMM IS OPENED.');
readln;
var a1, b1, c1, d1,
a2, b2, c2, d2,
a3, b3, c3, d3,
x1, x2, x3: real;
begin
clrscr;
a1:=1.6; b1:=0.12; c1:=0.57; d1:=0.18;
a2:=0.3800; b2:=0.25; c2:=-54; d2:=0.63;
a3:=0.28; b3:=0.46; c3:=-1.12; d3:=0.88;
b2:=b1+b2*(-a1/a2); c2:=c1+c2*(-a1/a2); d2:=d1+d2*(-a1/a2);
b3:=b1+b3*(-a1/a3); c3:=c1+c3*(-a1/a3); d3:=d1+d3*(-a1/a3);
c3:=c3+c2*(-b3/b2); d3:=d3+d2*(-b3/b2);
x3:=d3/c3;
x2:=(d2-c2*x3)/b2;
x1:=(d1-b1*x2-c1*x3)/a1;
writeln (' СЛУ');
writeln (' ');
writeln ('№15. 1,6+0,12+0,57=0,18;');
writeln ( ' 0,38+0,25-54=0,63;');
writeln (' 0,28+0,46-1,12=0,88;');
writeln (' ');
writeln('Корни системы:');
write('x1=',x1:0:2,' x2=',x2:0:2,' x3=',x3:0:2);
readln;
end;
end;
{--------— 2 PROGRAMM —--------}
procedure second_programm;
begin
clrscr;
writeln('SECOND PROGRAMM IS OPENED.');
readln;
end;
{--------— 3 PROGRAMM —--------}
procedure third_programm;
begin
clrscr;
writeln('THIRD PROGRAMM IS OPENED.');
readln;
end;
{--------— 4 PROGRAMM —--------}
procedure fourth_programm;
begin
clrscr;
writeln('FOURTH PROGRAMM IS OPENNED.');
readln;
end;
{--------— 5 PROGRAMM —--------}
procedure fifth_programm;
begin
clrscr;
writeln('FIFTH PROGRAMM IS OPENED.');
readln;
end;
{--------— 6 PROGRAMM —--------}
procedure sixth_programm;
begin
clrscr;
writeln('SIXTH PROGRAMM IS OPENED.');
readln;
end;
{--------— MENU TO SCREEN 1----------}
procedure menutoscreen;
var i:integer;
begin
clrscr;
for i:=1 to K do
begin
gotoxy(x,y+i-1);
write(menu[i]);
end;
TextColor(Red);
gotoxy(x,y+punkt-1);
TextBackGround(LightGray);
end;
{--------— MAIN PROGRAMM —--------}
begin
menu[1]:=' Метод Гаусса ';
menu[2]:=' Метод кв. корней ';
menu[3]:=' Метод Крамера ';
menu[4]:=' Матрица ';
menu[5]:=' Схема Горнера ';
menu[6]:=' И т.д ';
menu[7]:=' EXIT ';
punkt:=1;
x:=5; y:=5; TextBackGround(LightGray);
menutoscreen;
repeat
ch:=readkey;
if ch=char(0) then begin
ch:=readkey;
case ch of
char(80):
if punkt<K then
begin
gotoxy(x,y+punkt-1);
write('',menu[punkt],' ');
punkt:=punkt+1;
TextColor(Red);
gotoxy(x,y+punkt-1);
write('> ',menu[punkt],' ');
TextBackGround(LightGray);
gotoxy(3,y+punkt-1);
end;
char(72):
if punkt>1 then
begin
gotoxy(x,y+punkt-1);
write('',menu[punkt],' ');
punkt:=punkt-1;
TextColor(Red);
gotoxy(x,y+punkt-1);
write('> ',menu[punkt],' ');
TextBackGround (LightGray);
end;
end;
end
else if ch=chr(13) then
begin
case punkt of
1:first_programm;
2:second_programm;
3:third_programm;
4:fourth_programm;
5:fifth_programm;
6:sixth_programm;
7:ch:=chr(27);
end;
menutoscreen;
end;
until ch=chr(27);
end. |
(
