Ƙarfin goma: Exp, maɓallin exponent
Maɓallin Exp yana shigar da ƙarfin goma; Exp yana nufin exponent. Rubuta 5, danna 
, sannan rubuta 3: wato . Danna 
, rubuta 4, danna , sannan 
, sannan rubuta 3. Danna 
. Amsar ita ce 1'250'000..
Maɓallin Exp yana shigar da ƙarfin goma; Exp yana nufin exponent. Rubuta 5, danna , sannan rubuta 3: wato 5×103. Danna , rubuta 4, danna , sannan , sannan rubuta 3. Danna . Amsar ita ce 1'250'000..