Sharp EL9900C EL-9900C - Page 81
lower limit of x, upper limit of x
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Chapter 5: Advanced Calculations - Advanced Keyboard 02 2X 2value Raises 2 to a power. Sets the cursor to exponent. 03 fmin( fmin(equation, lower limit of x, upper limit of x) Returns the value of variable x when the equation Y has the minimum value within the specified range of x. 04 fmax( fmax(equation, lower limit of x, upper limit of x) Return the value of variable x when the equation Y has the maximum value within the specified range of x. 05 d/dx( d/dx(equation, value of x [, tolerance]) Returns derivative of equation Y at the specified X value using the tolerance (if not specified, default value is 1E-5). 06 ∫ ∫ equation, lower limit, upper limit [, tolerance] dx Calculates an integral value of equation Y from the lower limit to the upper limit using the specified tolerance (if not specified, default value is 1E-5). Use in conjunction with the 07 dx sub-menu item. • Press the keys as follows in the Equation edit mode. M A 0 6 2 { 8 ' ( X a 3 ' - 0.5 X y + 6 ) , 0.001 M A 0 7 E 07 dx Enters a differential "dx" in an integration expression. 71