
12-1
Ladder Logic (LAD) for S7-300 and S7-400
C79000-G7076-C504-02
Floating-Point Math Instructions
Section Description Page
12.1 Overview 12-2
12.2 Add Floating-Point Numbers 12-3
12.3 Subtract Floating-Point Numbers 12-4
12.4 Multiply Floating-Point Numbers 12-5
12.5 Divide Floating-Point Numbers 12-6
12.6 Evaluating the Bits of the Status Word After Floating-Point
Instructions
12-7
12.7 Establishing the Absolute Value of a Floating-Point Number 12-8
12.8 Establishing the Square and/or the Square Root of a
Floating-Point Number
12-9
12.9 Establishing the Natural Logarithm of a Floating-Point
Number
12-11
12.10 Establishing the Exponential Value of a Floating-Point
Number
12-12
12.11 Establishing the Trigonometrical Functions of Angles as
Floating-Point Numbers
12-13
Chapter Overview
12
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