1e
1OK

 
123e+OK
.23E+OK
1.3e-OK
12.E-OK
123p+OK
.23P+OK
1.3p-OK
12.P-OK
123..OK
.23.OK.OK

 


123ef+GO
.23E3-GO
1.3e--GO
12.E-&GO
123p+OK+GO
.23P+OK;GO
1.3p-OK-GO
12.P-OK&GO