1 2 3 4 5 6 7 8 9 10 11 12 13 14 | CLS DO INPUT "Enter first value: ", c1 INPUT "Enter operation(+,-,*,/): ", c2$ INPUT "Enter second value: ", c3 LOOP UNTIL INSTR("+-*/", MID$(c2$, 1 , 1 )) IF c2$ = "+" THEN c4 = c1 + c3 IF c2$ = "/" THEN IF c3 <> 0 THEN c4 = c1 / c3 ELSE PRINT "division by zero": END END IF IF c2$ = "*" THEN c4 = c1 * c3 IF c2$ = "-" THEN c4 = c1 - c3 PRINT c4 |
Тестирование выполнено в программе QB64 ( Скачать )