Texas Instruments TI-84 Guidebook - Page 364
y >, matrix, year, month, date1, value, variable, listname, matrixname
UPC - 033317190171
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Function or Instruction/Arguments cumSum(list) cumSum(matrix) dayOfWk(year,month, day) dbd(date1,date2) DEC Answers value4Dec Degree DelVar variable DependAsk DependAuto det(matrix) DiagnosticOff DiagnosticOn dim(listname) dim(matrixname) Result Key or Keys/Menu or Screen/Item Returns a list of the cumulative sums of the elements in list, starting with the first element. y 9 OPS 6:cumSum( Returns a matrix of the cumulative sums of matrix elements. Each element in the returned matrix is a cumulative sum of a matrix column from top to bottom. y > MATH 0:cumSum( Returns an integer from 1 to 7, with each integer representing a day of the week. Use dayOfWk( to determine on which day of the week a particular date would occur. The year must be 4 digits; month and day can be 1 or 2 digit. y N dayOfWk( 1:Sunday 2:Monday 3:Tuesday... Calculates the number of days between date1 and date2 using the actual-day-count method. Œ 1:Finance CALC D:dbd( Displays answers as integers or decimal numbers. z Answers: DEC Displays a real or complex number, expression, list, or matrix in decimal format. MATH 2:4Dec Sets degree angle mode. † z Degree Deletes from memory the contents of variable. † CTL G:DelVar Sets table to ask for dependent-variable values. † y Depend: Ask Sets table to generate dependent-variable values automatically. † y Depend: Auto Returns determinant of matrix. y > MATH 1:det( Sets diagnostics-off mode; r, r2, and R2 are not displayed y N as regression model results. DiagnosticOff Sets diagnostics-on mode; r, r2, and R2 are displayed as y N regression model results. DiagnosticOn Returns the dimension of listname. y 9 OPS 3:dim( Returns the dimension of matrixname as a list. y > MATH 3:dim( Appendix A: Functions and Instructions 357