Texas Instruments TI-89 User Manual - Page 874
Shade, shift, In the, viewing window, In Bin base mode, To enter a binary or hexadecimal, number
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Shade CATALOG Shade expr1, expr2, [xlow], [xhigh], [pattern], [patRes] In the ZoomTrig viewing window: Displays the Graph screen, graphs expr1 and expr2, and shades areas in which expr1 is less than expr2. (expr1 and expr2 must be expressions that use x as the independent variable.) Shade cos(x),sin(x) ¸ xlow and xhigh, if included, specify left and right boundaries for the shading. Valid inputs are between xmin and xmax. Defaults are xmin and xmax. " pattern specifies one of four shading patterns: 1 = vertical (default) ClrDraw ¸ Shade cos(x),sin(x),0,5 ¸ Done 2 = horizontal 3 = negative-slope 45¡ 4 = positive-slope 45¡ patRes specifies the resolution of the shading patterns: 1= solid shading 2= 1 pixel spacing (default) 3= 2 pixels spacing © 10= 9 pixels spacing " ClrDraw ¸ Shade cos(x),sin(x),0,5,2 ¸ Done Note: Interactive shading is available on the Graph screen through the Shade instruction. Automatic shading of a specific function is available through the Style instruction. Shade is not valid in 3D graphing mode. " ClrDraw ¸ Done Shade cos(x),sin(x),0,5,2,1 ¸ shift() CATALOG shift(integer1[,#ofShifts]) ⇒ integer Shifts the bits in a binary integer. You can enter integer1 in any number base; it is converted automatically to a signed, 32-bit binary form. If the magnitude of integer1 is too large for this form, a symmetric modulo operation brings it within the range. If #ofShifts is positive, the shift is to the left. If #ofShifts is negative, the shift is to the right. The default is ë 1 (shift right one bit). In a right shift, the rightmost bit is dropped and 0 or 1 is inserted to match the leftmost bit. In a left shift, the leftmost bit is dropped and 0 is inserted as the rightmost bit. For example, in a right shift: In Bin base mode: shift(0b1111010110000110101) ¸ 0b111101011000011010 shift(256,1) ¸ 0b1000000000 In Hex base mode: shift(0h78E) ¸ 0h3C7 shift(0h78E,ë2) ¸ 0h1E3 shift(0h78E,2) ¸ 0h1E38 Important: To enter a binary or hexadecimal number, always use the 0b or 0h prefix (zero, not the letter O). 874 Appendix A: Functions and Instructions