Chain Calculations - HP -01 Owner's Manual

Using the Calculator 46
Note that you press €9, then press the @ key one less time than the exponent number.
Calculating 2¢ requires pressing the @ key 5 times.
Chain Calculations. For chain calculations, follow every numerical entry with an operator.
When you press the second, third, or any following operator, the HP-01 automatically calculates
the mathematical expression up to that point.
Following the rules of mathematics, solve the expression in parentheses first. Then move
through the equation one successive number and operation at a time.
Example Press Display
3(16 — 4) + 1 000000000 .
2 (254) 00000000000 6.
Problems that are even more complicated can be solved using the @ (memory) key. If a
problem contains two or more parenthetical expressions, store the intermediate answersin the