5 Numbers, Precision, and the Display 5.1  Three meanings of precision 5.2  Setting working and display digits with PREC 5.3  Fixed, scientific, and engineering notation 5.4  Setting FIX in each entry mode 5.5  Reading long numbers 5.6  Display rounding and value rounding 5.7  Existing values and a new working precision 5.8  Choosing useful precision and recognizing limits 6 Storing and Reusing Values 6.1  The memory banks and their indicators 6.2  Ordinary storage and recall 6.3  Arithmetic storage 6.4  Reusing a constant 6.5  Complex values in memory 6.6  Unset registers and stored zero 6.7  Associative memory: values under numeric keys 6.8  Memories, working areas, and saved operands 6.9  The statistical and financial banks 6.10  Clearing the intended group with MCLR 7 Scientific Functions 7.1  Finding and applying a scientific function 7.2  Arithmetic, reciprocal, powers, and roots 7.3  Exponential and logarithmic functions 7.4  Angle units and trigonometric functions 7.5  Hyperbolic functions and their inverses 7.6  Absolute value, integer parts, and rounding 7.7  Two different remainder conventions 7.8  Percentages and their retained base 7.9  Factorials, permutations, and combinations 7.10  Gamma and logarithmic factorials 7.11  The error function and its complement 7.12  Constants and random numbers 7.13  Domains, errors, and useful checks 8 Complex Numbers 8.1  Components, controls, and the display 8.2  Entering and editing a complete pair 8.3  Rectangular and polar forms 8.4  Swapping components and changing signs 8.5  Arithmetic and supported scientific functions 8.6  Turning complex mode off 8.7  Functions that use only real components 8.8  Principal results and branch conventions 8.9  Numerical limits and interpreting a result 9 Unit Conversions 9.1  Choose the quantity and conversion direction 9.2  What changes in RPN and ALG 9.3  Length, area, volume, and mass 9.4  US and Imperial names are part of the unit 9.5  Temperature readings and temperature differences 9.6  Motion, force, pressure, and torque 9.7  Energy, power, time, and frequency 9.8  Angle conversion and the angle setting 9.9  Conversion factors, precision, and rounding