(calc.info)Introduction

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5 Introduction
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This chapter is the beginning of the Calc reference manual.  It covers
basic concepts such as the stack, algebraic and numeric entry, undo,
numeric prefix arguments, etc.

Basic Commands

Help Commands

Stack Basics

Numeric Entry

Algebraic Entry

Quick Calculator

Keypad Mode

Prefix Arguments

Undo

Error Messages

Multiple Calculators

Troubleshooting Commands