CLS
INPUT "x = ", x
St = x
F = 1
S = St
FOR i = 1 TO 6
St = St * x * x
F = F * i * 2 * (i * 2 + 1)
IF i MOD 2 = 0 THEN
S = S - (St / F)
PRINT -St; "/"; F; " = "; -St / F
ELSE
S = S + (St / F)
PRINT St; "/"; F; " = "; St / F
END IF
NEXT i
PRINT "S = "; S
END