HP 113397 hp 9g_user's manual_English_E_HDP1SG18ES1.pdf - Page 8
Recalling Previous Inputs and Results, Memory
UPC - 808736452892
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To delete a character, press [ ] or [ ] to move the cursor to that character and then press [ DEL ]. (When the cursor is on a character, the character is underlined.) To undo the deletion, immediately press [ 2nd ] [ ]. To clear all characters, press [ / CL ESC ]. See Example 1. Recalling Previous Inputs and Results Press [ ] or [ ] to display up to 252 characters of previous input, values and commands, which can be modified and re-executed. See Example 2. Note: Previous input is not cleared when you press [ / CL ESC ] or the power is turned off` but it is cleared when you change modes. Memory Running memory Press [ M+ ] to add a result to running memory. Press [ 2nd ] [ M- ] to subtract the value from running memory. To recall the value in running memory, press [ MRC ]. To clear running memory, press [ MRC ] twice. See Example 4. Standard memory variables The calculator has 26 standard memory variables-A, B, C, D, ..., Z-which you can use to assign a value to. See Example 5. Operations with variables include: • [ SAVE ] + Variable assigns the current answer to the specified variable (A, B, C, ... or Z). • [ 2nd ] [ RCL ] displays a menu of variables; select a variable to recall its value. • [ ALPHA ] + Variable recalls the value assigned to the specified variable. • [ 2nd ] [ CL-VAR ] clears all variables. Note: You can assign the same value to more than one variable in one step. For example, to assign 98 to variables A, B, C and D, press 98 [ SAVE ] [ A ] [ ALPHA ] [ ~ ] [ ALPHA ] [ D ]. Storing an equation Press [ SAVE ] [ PROG ] to store the current equation in memory. Press [ PROG ] to recall the equation. See Example 6. Array Variables In addition to the 26 standard memory variables (see above), you can increase memory storage by converting program steps to memory variables. You can convert 12 program steps to one memory. A maximum of 33 E-8