Calculation: 1-(1/2)-(1/4)-(1/8)-(1/16)-(1/32)-…-(1/1024).
计算：1-(1/2)-(1/4)-(1/8)-(1/16)-(1/32)-…-(1/1024)．
<gadget id="calculator">1 / 1_024</gadget>
<output>1/1_024 = around 0.000977</output>

<gadget id="calculator">1 - (1/1_024)</gadget>
<output>1_023/1_024 = around 0.999023</output>

<gadget id="calculator">1 - (1_023/1_024)</gadget>
<output>1/1_024 = around 0.000977</output>

<result>1/1_024 = around 0.000977</result>