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Line 27: Note 1: the <code>→</code>: most DAL calculators will automatically insert needed <code>(</code> <code>)</code> and the <code>→</code> skips over the <code>)</code> from the sin operation. Machines equipped with an alphanumeric display will display <tt>SIN(30)×COS(30)</tt> before pressing <code>ENTER</code>. Note 2: Some but not all BASIC programmable [[Pocket computer\|Pocket computers]] had dedicated trigonometric keys <ref>The picture of the [http://pocket.free.fr/html/casio/fx-880p_e.html FX-880P] show sin, cos and tan keys on the second row right hand side.</ref>. <!--

Calculator input methods: Difference between revisions