xieguigang b2ca35e7e5 update source file headers		2020-05-21 22:27:25 +08:00
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Arctan.vb	update source file headers	2020-05-21 22:27:25 +08:00
Trigonometric.vb	update source file headers	2020-05-21 22:27:25 +08:00
Trigonometric2.vb	update source file headers	2020-03-28 15:44:37 +08:00