(Calculator design display: function example: ① 13 20=33 ② - 7
14=- 98: Enter 7 first, then click -/ to make it a negative number, and then click in sequence × No., 14 and=③ 7= 5040 ④ sin 30 °=0.5: input 30 first, then press the '' button to convert it into an opinion value, and then press sin to display the results ⑤ sqrt (4)=2: click 4 with the mouse, and then click the sqrt button to display the results ⑥ 2
π=6.2832
Java Subject/Student Calculator Program Code.doc)
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