The Atlas-Rand 240 is an arithmetic calculator with algebraic logic. It has 5 functions, 18 keys, and a gas discharge display. The power source is 6xAA.
Facts at a glance:
If you have an Atlas-Rand 240 that is no longer working, you can first try replacing the 6xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: