Sharp QS 2130 QS-2130 Operation Manual - Page 5

Example: Set decimal/add mode selector at A, 5/4 A . Enter 12 3 Read B. Enter 123 Read 1 00 C. Enter 2 Read 3 12.30 123. 12'300.00 2. 0.67 4 ACCUMULATION SELECTOR: "∑" position: This selector will accumulate the following: 1. Numbers entered or answers obtained with the and keys will be accumulated in the 1st memory register. 2. Numbers entered or answers obtained with the key will be subtracted from the 1st memory register. "•" position: Neutral 5 2ND MEMORY KEYS: MEMORY PLUS : Adds an entry or an answer to the 2nd memory. This key also serves as the key when accumulating product and/or quotients in the 2nd memory. RECALL-CLEAR MEMORY : Pressed once, recalls the contents of the 2nd memory to the display. Pressed twice, recalls and clears the contents of the 2nd memory. 6 CLEAR ALL KEY: Before starting calculation, press this key. This causes the numerical values and calculation commands including memory contents to be cleared. 4